It would be challenging to duplicate the precise circumstances of the chemical release elsewhere.
How does temperature affect sea otters directly?Sea otters decrease heat loss by floating on their backs with their feet out of the water when the water is too chilly. The sea otter extends its feet out underwater to increase its surface area while it is seeking to shed heat. Sea otters frequently extend their feet out or tuck them up to conserve body heat.
River otters take oxygen from the air, just like other animals do. In the event that they are submerged, they surface to breathe. In the winter, when the water is frozen into ice, they create holes so they may rise to the surface to breathe.
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botox is a medical application using the toxin produced by clostridium botulinum to choose one: a. kill pathogenic microbes in the gut. b. relax muscle spasms. c. prevent recurrent infections. d. kill pathogenic microbes in the central nervous system.
Botox is a medical application using the toxin produced by clostridium botulinum to (b) relax muscle spasms.
Botulinum toxin, one of the most dangerous biological toxins, is a neurotoxin created by the bacterium Clostridium botulinum. C. botulinum produces eight exotoxins with unique antigens (A, B, C1, C2, D, E, F and G).
All serotypes inhibit acetylcholine, the major neurotransmitter at the neuromuscular junction, compromising with neuronal transmission and crippling limbs. Botulinum poisoning The typical duration of an injection-induced weakness is three months. The Clostridium botulinum toxin, which has paralytic properties, can be utilized to treat wrinkles and reduce muscle spasms.
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which human activity is least likely to be a major threat to marine systems? group of answer choices habitat destruction from coastal development runoff of nonpoint source pollution overfishing sinking of ships to create artificial reefs invasive species introduced by humans
Human entertainment is least likely to pose the greatest threat to marine systems. Overfishing and sinking ships to create artificial coral reefs
Marine biology is the study of marine organisms, their behavior, and their interactions with the environment. Marine biologists discover marine life by studying chemistry, physics, and geological oceanography related to biological oceanography. Seafood or clam shells like our bodies; marine engines generated by the action of ocean currents or waves; with marine sediments.
Marine biologists don't have that kind of immersion now. Many roles are performed in the laboratory or on the job site, and fieldwork regularly includes research that may be performed on a boat or on the shore. You don't even need to understand how to swim! Of course, it is very interesting to have underwater next to the animal you are analyzing. Marine and aquatic biology is the study of marine and freshwater organisms, their behavior, and their interactions with the environment. Marine and aquatic biology is a sub-discipline of oceanography and biology.
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18. Which of the following would be able to pass through the membrane the easiest ?
a. Small, hydrophobic substances
b. Small, polar substance
c. Molecules like sucrose and glucose
d Small, hydrophilic molecules
The one that will be able to pass through the membrane the easiest is small, hydrophilic molecules. The correct option is d.
What is lipid bilayer?A lipid bilayer is a polar membrane composed of two layers of lipid molecules. These membranes are flat sheets that surround all cells in a continuous barrier.
The lipid bilayer acts as a barrier, keeping ions, proteins, and other molecules where they belong and preventing them from diffusing into areas where they should not be.
A bilayer is made up of two sheets of phospholipid molecules, each with all of its molecules aligned in the same direction.
Because small, nonpolar molecules are hydrophobic, they can easily cross the plasma membrane's phospholipid bilayer.
Because polar molecules and ions are hydrophilic, they cannot easily cross the plasma membrane's hydrophobic portion.
Thus, the correct option is d.
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In eukaryotes, the components of citric acid cycling and the electron transport chain are located in the ____.
In eukaryotes, the components of citric acid cycling and the electron transport chain are located in the inner mitochondrial membrane.
The citric acid cycle and the electron transport chain are both parts of cellular respiration. Cellular respiration is the process by which the oxygen and glucose of food is used by a cell to produce energy in the form of ATP.
The process of cellular respiration takes place in the mitochondria. As cellular respiration and electron transport chain are parts of the cellular respiration process, hence these all take place in the mitochondria.
Cellular respiration is divided into three parts which is glycolysis, citric acid cycle and electron transport chain. When glycolysis occurs in the cytoplasm, the citric acid cycle as well as the electron transport chain occurs in mitochondria.
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true or false: sexual selection is a case of natural selection that describes evolution due not to variable survival rates, but rather due to variable reproductive rates stemming from characteristics that allow an individual to successfully attract a mate. group of answer choices
distinguished between two types of sexual selection: intrasexual selection, in which members of the same sex (often males) struggle for access to mates, and intersexual selections.
What is sexual selection?In the process of sexual selection, members of one biological sex choose partners from the other sex and compete with one another for access to partners from the other sex. The sexual selection idea proposes that animals with distinctive physical characteristics, such as dramatic colour, enhanced size, or eye-catching adornments, may have an easier time finding mates.He distinguished between two types of sexual selection: intrasexual selection, in which members of the same sex (often males) struggle for access to mates, and intersexual selection, in which members of one sex (frequently females) favor members of the opposite sex.Members of one biological sex choose partners from the other sex to mate with (intersexual selection) and compete with one another for access to partners from the other sex through sexual selection (intrasexual selection).To learn more about sexual selection refer to:
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Soil is made up of both organic and inorganic matter.
O True
O False
Answer:
True
Explanation:
Soil consists of organic and inorganic matter
human feet are everted so that their soles lie fully on the ground during ambulation. what muscle is developmentally unique to humans, inserts into the base of the fifth metatarsal, and assists in eversion (or pronation)?
The muscle is developmentally unique to humans, inserts into the base of the fifth metatarsal, and assists in eversion is fibularis tertius.
What is ambulation?The capacity to move around unaided while walking is known as ambulation. It is most frequently used to describe a patient's post-operative or physical therapy goals. A patient may need assistance before they are able to move around on their own in order to achieve their aim of ambulation.
Leg muscle called the fibularis tertius is located in its lateral compartment.
The fibularis longus muscle has the ability to plantar flex and evert the foot. Additionally, it supports the foot's longitudinal and transverse arches.
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1. what happens if the number of cod decreases?
2. What would happen if the phytoplankton were removed?
3.
Aquatic ecology would collapse without phytoplankton. Carbon levels would rise if plankton disappeared, causing climate change. Phyotplanktons may generate dangerous algal blooms if cod numbers drop (HABs).
What is phytoplankton?In the same way as terrestrial plants possess chlorophyll and are dependent on sunlight for their survival and growth, phytoplankton, which are sometimes referred to as microalgae, are found in aquatic environments. The vast majority of phytoplankton are buoyant, which allows them to float in the upper layers of the ocean where the sunlight can reach them.
When there is an excessive amount of nutrients available, phytoplankton have the potential to grow out of control and produce toxic algal blooms (HABs). These blooms have the potential to produce exceedingly poisonous chemicals, which can have a negative impact not just on fish and shellfish, but also on animals, birds, and even humans.
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PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
After pollination, these gametes move to the ovule, where they combine with female gametes, which also contain half the quota of chromosomes. This process is called fertilisation. After fertilisation, the combined cell grows into an embryo inside a seed.
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how does photosynthesis impact plants and animals
Answer:
Photosynthesis creates all of the energy that fuels living organisms. Animals that eat plants acquire their energy from the stored sugar in plants, and animals that eat those animals obtain that same energy. Thus, all levels of a food web are still fueled by the energy developed by photosynthetic organisms.
Explanation:
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The tendency to respond to a conditioned stimulus that is similar, but not identical, to the original conditioned stimulus is called _____.
The tendency to respond to a conditioned stimulus that is similar, but not identical, to the original conditioned stimulus is called Stimulus generalization.
The capacity to act in a new situation according to a strategy learned in earlier, analogous circumstances is known as stimulus generalization. The challenge is figuring out which elements of the learning circumstances should be applied to all situations.
When an organism's response that was previously conditioned by one stimulus can then be elicited by another stimulus that shares the same properties, this phenomenon is known as stimulus generalization. A conditioned stimulus is a stimulus that may potentially cause a conditioned response. The ringing of the bell served as both the conditioned stimulus and the conditioned response in the experiment as described. It's crucial to understand that the neutral stimulus changes into the conditioned stimulus.
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Interpret Figure 6 and predict the general growth trend for steelhead trout in a stream that is 22 degrees C
The general trend of the growth of the steelhead trout in the 22°C stream will be limited when figure 6 is interpreted.
What is Temperature?This is referred to as the degree of hotness or coldness of a substance and is influenced by heat energy. It can be measured using a thermometer and its SI unit is kelvin.
The interpretation of the figure 6 provided in the question means that that the general trend of the growth of the steelhead trout in the 22°C stream will be limited. This also means that the level of growth is at a controlled stage.
This is because the trout in question are in the zone of physiological stress at the temperature of 22°C in the stream when observed and is therefore the reason why limited was chosen as the most appropriate choice.
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What is missing in an environment undergoing primary succession that would be present in an environment undergoing secondary succession?
The answer would be SOIL.
Primary succession refers to the ecological succession that occurs in a new land where life has not yet existed. It takes place after a lava flow cools and hardens into a new land, or when a glacier recedes and exposes new land. Because the land that results from these processes is totally new land, the soil must first be produced. On the other hand, secondary succession happens in a formerly inhabited area that was disturbed. The disturbance could be a fire, flood, or human action such as farming. Secondary succession is faster because the soil is already in place. In this case, the pioneer species are plants such as grasses, birch trees, and fireweed. Organic matter from the pioneer species improves the soil. This lets other plants move into the area.
Which of the following is NOT a similarity between scanning electron microscopes and
transmission electron microscopes?
A. The medium is a vacuum.
B. The lenses are electrostatic.
C. The image is three-dimensional.
D. The magnification is electrical.
The image is three-dimensional which is produced by scanning electron microscopes this is not similarity between scanning electron microscopes and transmission electron microscopes
What is scanning electron microscopes and transmission electron microscopes ?Transmission electron microscopes (TEM) are types of microscopes that provide an image that is greatly enlarged while viewing specimens using an electron particle beam. TEMs have a 2 million-fold magnification capacity.
A focussed stream of electrons is projected and scanned over a surface by a scanning electron microscope (SEM) to produce a picture. The interaction between the beam's electrons and the sample results in a variety of signals that can be used to learn more about the surface's topography and composition.Compared to the SEM, the TEM has a resolution that is higher ( 0.2 nm), and HR-TEM can even achieve near-atomic resolution. Furthermore, TEM offers details on both elemental and complex structure (i.e., crystal structure, elemental information and morphology)Learn more about Microscopes here:
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A short summary of Darwins 5 Points.
Answer:More organisms are produced than can survive because of limited resources.
— Individuals within a population vary in their traits; some of these traits are heritable -- passed on to offspring.
— Some variants are better adapted to survive and reproduce under local conditions than others.
Explanation:
how does photosynthesis transform solar energy into the chemical energy of sugar molecules? match the words in the left column to the appropriate blanks in the sentences on the right.
Photosynthesis will transform solar energy into organic matter thanks to a structure inside the cell called chloroplast.
How does photosynthesis transform solar energy into the chemical energy of sugar molecules?The light reactions occur in the thylakoids. Absorption of a photon boosts proton-motive force to a higher-energy state. The energy of light is used to pump an electron from water through photosystem II, an electron transport chain, and photosystem I to NADPH. During energy-releasing redox reactions in the electron transport chain, protons are pumped into the thylakoid space. ATP synthase uses this electrons to make ATP outside the thylakoid space.
The Calvin cycle occurs in the stroma.The three-carbon sugar G3P is produced and can be converted to sugars and other organic molecules, ultimately providing the chemical energy and carbon source for all of life.
Therefore, we can confirm that photosynthesis will transform solar energy into organic matter thanks to a structure inside the cell called chloroplast.
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Please answer fast!
worth 100 points
Answer:
self feeder; E from sun or chemicals - autotrophs
has a nucleus & membrane-bound organelles - eukaryote (5)
the smallest taxonomic division - species (4)
no nucleus or membrane bound organelles - prokaryote (6)
one organism living inside another, both benefit - mutualism
two term - binomial (1)
Explanation:
Use the image and answer the questions. Thank you!
The transport mechanisms in the cell are osmosis, diffusion, facilitated diffusion, endocytosis, exocytosis, and molecular pumps. The molecule they transport are found in the attachment
What are the mechanisms of transport in cells?Some of the transport mechanisms of the cell include the following:
Diffusion - this is the movement of molecules of solids, liquids of gases down their concentration gradient.Facilitated diffusion is the movement of molecules through protein channels down their concentration gradient.Osmosis - this is the movement of water molecules across semi-permeable membranes.Other transport mechanisms are through molecular pumps, endocytosis, and exocytosis involving pumps.
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What does the line of best fit indicate about the correlation between the variables?
Answer:
D
Explanation:
The line of best fit has a negative slope, therefore, the data has a negative correlation.
dietary fiber select one: a. is only in animal sources of food b. supplies more energy, gram per gram, than fat c. is not fully digested by the human intestinal tract d. promotes tooth decay
Dietary fiber c. is not fully digested by the human intestinal tract.
In the field of science, dietary fiber can be described as a part of food that is taken from plants that cannot be digested by humans.
Dietary fiber derived from plants is considered valuable for the body, especially in removing constipation. It is also known to lower the risk of a person from getting diabetes.
All other food nutrients have the ability to be broken down and be digested by the human body. However, the dietary fiber is not broken down and remains intact throughout the process of digestion. It is released from the colon and like other nutrients is not absorbed.
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The bar graph below shows the total amount of product from a chemical reaction performed at
three different temperatures. The same enzyme was involved in each case.
Answer:Quizlet
Question
The bar graph (P 58) shows the total amount of produce from a chemical reaction performed at three different temperatures. The same enzyme w
Answer · 0 votes
35 C created the most amount of product (2 mg), 25 C creates
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Question
a graph shows the total amount of product from a chemical reaction performed at three different temperatures. the same enzyme was involved i
Answer · 0 votes
•at 25 degrees C there was 1 mg of product •at 35 degree
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CHEMISTRY Effects of Temperatures on a Reaction Interpreting a Graph The bar graph shows the total amount of product formed from a chemical reaction that was performed at three different temperatures for the same time period. The same enzyme was involved each time in the chemical reaction 2 Describe the results at each temperature. Total Product (mg) 1
Answer · 1 vote
Interpretation from graph: From the graph it is clear that at first with rise in temperature product increases , but after a certain temperature (35oC) , product decreases with ri...
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Question
Can you help me answer it please? I need it before 9pm today! Can...
Answer · 1 vote
Reactants are starting molecules that undergo chemical change in a chemical reaction. Based on diagram 3, an arrow in a chemical reaction represents a chemical change. It means that the reactants in the left side undergoes a reaction leading to the right-side products. The molecules that come after the chemical change are called products. They are the results of the chemical change of the reactants. Based on diagrams 5-8, another word for reactants is "substrates". Looking at our diagrams, you can see that the substrates attach to the enzyme in the left side. Therefore, in order for the reaction to take place with an enzyme, the reactants or substrate must attach to the enzyme. After the reaction takes place, you can see in diagrams 5-8 that the products formed leave the enzyme. The enzyme detaches the products from itself. You can see various drawings of enzyme showing different shapes of active sites. This is because each enzyme has different active sites. In diagram 10, there are 3 …
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Explanation:
1. How was this viral entry similar to what Dede Koswara experienced with HPV?
What does this teach us about the importance of using fresh gloves when
working with potentially sick patients?
Dede Koswara, nicknamed the Tree Man, teaches us about the importance of wearing new gloves when working with potentially HPV patients. because if you use the same glove you can transmit diseases from a patient like Dede to another healthy one.
What is the story of Dede Koswara?He accidentally cut his knee, where a small wart grew on his leg, which eventually spread all over his body.
The solution was when he found US dermatology expert Dr. Anthony Gaspari of the University of Marlyland, he concluded that Dede's disease was caused by the human papilloma virus (HPV).
What is HPV?The human papilloma virus (HPV) is responsible for a high number of infections that, in most cases, do not present symptoms and are spontaneously regressed. This is one of the most common sexually transmitted infections worldwide. The human papilloma virus encompasses more than 200 related viruses.
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after two weeks, the scientists measured the increase in body fat in the mice. they also determined the amount of energy (in kcal/g) in the feces of both groups -- that is, the energy in the food molecules that was not extracted or absorbed by the mice. what experimental results would support the scientists' hypothesis? label the bars on the graphs to match the results predicted by the hypothesis.
Body fat of the lean germ-free mice that received microbes from genetically obese mice increases and their feces contains less energy food will support the scientists' hypothesis.
Since the researchers are determining whether or not microorganisms in the gut community are responsible for obtaining energy from meals, supplying additional calories to the host, and encouraging the development of greater fat deposits, they used obese mice.
Less body fat and more energy food in the feces of the lean germ-free mice that received microbes from genetically lean mice support their claim; that genetics may be a reason while the microbes in the obese mice absorb food, extract energy, and deposit fat in their host. An increase in body fat in the lean germ-free group that received microbes from the genetically obese donors will prove their claim.
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What was the average for the SKIN temperature change?
Answer:
Normal skin temperature for healthy adults ranges between 92.3 and 98.4 Fahrenheit or 33-37 Celsius, far lower than the 98.6 F average core temp. Changes in skin temperature may
Which of the following is an input to the light dependent reaction?
O Oxygen
OPyruvic acid
Water
Glucose
Answer: A class hypothesized that water pollution affects the growth of ... These reactions take the light-dependent reactions and perform further chemical.
66 pages
Explanation:
JESUS SAVES EVERYONE JUST PRAY, HE IS ALWAYS LISTINING !
imagine a population of beetles. white beetles are easier for birds to see and eat. gray beetles blend into their surroundings, so they are less visible to birds than white beetles. as a result, gray beetles are more likely to survive and reproduce, enabling the gene for gray coloration to be passed on to the next generation. this increases the frequency of genes for gray coloration in the population. which evolutionary process does this scenario describe?
The evolutionary process that is described below that causes the frequency of genes for gray coloration in the population to increase is natural selection.
Natural selection can be described as a process in which organisms that are better able to survive in an environment are able to pass on their characteristics to their offspring.
In the scenario above, as gray species were better able to survive in an environment hence their frequency increased over time. On the other hand, the white beetles were not able to survive better in this environment and hence their frequency decreased over time. Hence, through natural selection, the gray species of beetles were favored more than the white ones.
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Which two statements explain why water is vital to sustaining a healthy
ecosystem?
A. Water molecules consist of atoms of hydrogen and oxygen.
B. All of Earth's heterotrophs depend on water as a source of energy
for life processes.
C. Autotrophs need water in order to make oxygen gas and sugars
from inorganic matter.
D. Water enables energy to move through all of Earth's systems.
Water is vital in sustaining a healthy ecosystem as the Autotrophs need water to make food from inorganic matter and water enables the transfer of energy through the earth's systems.
While water is broken down to produce oxygen during photosynthesis, oxygen and hydrogen are combined to produce water during cellular respiration. While photosynthesis utilizes carbon dioxide and releases oxygen, cellular respiration uses oxygen and creates carbon dioxide. The oxygen that is released is used by most organisms, including humans, for cellular respiration.
There are three ways that liquid water travels through land and through the earth: runoff, infiltration, and percolation (groundwater). Groundwater is absorbed by plants, and as it evaporates, it reaches the atmosphere (transpiration). Snow and ice that is solid can suddenly become gaseous (sublimation).
So, water is necessary in sustaining life on earth.
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achondroplastic dwarfism involves a spontaneous genetic mutation resulting in chondrocytes that fail to multiply and enlarge at epiphyseal plates. considering this information, why do flat bones develop normally in a person with achondroplasia?
In achondroplasia, the frame has trouble turning cartilage into bone, particularly in the long bones of the arms and legs. This outcome in shortened bones, brief stature, and other different physical characteristics.
In achondroplasia, this protein starts offevolved to characteristic abnormally, slowing down the growth of bone inside the cartilage of the growth plate. This leads to shorter bones, abnormally-shaped bones, and shorter stature; a person top in human beings with achondroplasia is between 42 and 56 inches.
Dwarfism (skeletal dysplasia) impacts bone growth in your body. The most common bones that dwarfism influences are the long bones inside the arms and legs, however, it is able to have an effect on different bones together with the bones to your legs and arms as well as your stomach and head.
Achondroplasia is a bone increase sickness that causes disproportionate dwarfism. Dwarfism is defined as a situation of quick stature as a person. people with achondroplasia are brief in stature with a normal-sized torso and brief limbs. it's the most common form of disproportionate dwarfism.
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What condition causes blood glucose to remain at higher than normal concentrations in the prediabetic patient?.
Answer:
Prediabetes usually occurs in people who already have some insulin resistance or whose beta cells in the pancreas aren't making enough insulin to keep blood glucose in the normal range. Without enough insulin, extra glucose stays in your bloodstream rather than entering your cells.
Explanation:
Answer: Prediabetes usually occurs in people who already have some insulin resistance or whose beta cells in the pancreas aren't making enough insulin to keep blood glucose in the normal range. Without enough insulin, extra glucose stays in your bloodstream rather than entering your cells.
Explanation:
What 2 events in nature can hinder the process of carbohydrate production? Explain your answer. Use the sentence frame: “___ can hinder carbohydrate production because ____.”
The answers include the following below:
Stormy weather can hinder carbohydrate production because of ithe absence of sunlight.Low temperature can hinder carbohydrate production because of the low heat energy.What is Carbohydrate?This is a biomolecule which has a formula which is (CH₂O)ₙ and is the source of energy for most living organisms. It is formed by plants through photosynthesis which involves the use of water and carbondioxide as the reactants and examples include glucose, starch etc.
Factors such as Stormy weather and low temperature can hinder carbohydrate production because of inadequate sunlight. During photosynthesis, there is the need for adequate sunlight because the solar energy is trapped by the chlorophyll and is converted into chemical energy.
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