Answers
Answer:
d
took the test
Explanation:
Related Questions
what is all of the dna in a set of 23 chromosomes referred to as?
Answers
Answer: The Genome
Explanation:
a change in DNA structure that might be beneficial, harmful, or neutral. What is all of the DNA in a set of 23 chromosomes referred to as? The genome
The primary form of reproduction in bacteria is ____________ .Structures called ____________ assist bacteria with genetic exchange.Stressful environments cause many bacteria to produce ____________ to survive harmful conditions.Many bacteria exchange genetic material through a mating process called ____________ .A process known as ____________ involves viruses as a means of bacterial DNA exchange.
Answers
Answer:
1 binary fission
2) pili
3) Spores
4) Conjugation
5)Transduction
Explanation:
The following are problems with rapid growth *
•overcrowded schools
•polluted rivers and drinking water
•barren land
•all above
Answers
Answer:
all above
Explanation:
The organelles that break down lipids, carbohydrates, and proteins into
small molecules that can be used by the cell are called *
A. vacuoles
B. lysosomes
C. ribosomes
D. microfilaments
Answers
Explanation: Lysosomes are membrane-enclosed organelles that contain an array of enzymes capable of breaking down all types of biological polymers—proteins, nucleic acids, carbohydrates, and lipids.
a mechanism for evolution in nature
Answers
Answer:
Natural selection
Explanation:
Have a great day!
Answer:
natural selection
Explanation:
natural selection is one of many mechanisms for evolution in nature. it's one of the most viewed mechanisms for evolution. Natural selection occurs when one allele makes an organism that is more or less fit, that has the ability to survive and reproduce.
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Which of the following is an example of an adaption?
A: Wolves work together to catch prey
B: A dog walks without pulling on its leash
C: Ducks swim near the shore by a picnic area, where food is always available
D: Birds living near a highway learn not to fly away every time a car passes
Answers
Answer:
D
They are adapting to their environment to increase chances of survival.
what is photosynthesis?
Answers
Photosynthesis is the process by which plants generate simple carbohydrates. This process used the energy from the sun.
Photosynthetic reactions:Photosynthesis refers to the metabolic process by which plants and algae use the energy from the sun and carbon dioxide to generate simple carbohydrates and oxygen.Photosynthetic reactions can be divided into light-dependent reactions and light-independent reactions.The light-independent reactions (also called the Calvin cycle) generate simple carbohydrates such as glucose.In conclusion, in photosynthetic reactions, plants turn carbon dioxide (CO2) and water (H2O) into simple carbohydrates by using the energy from the sun.
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The body has a number of systems that protect against infection.
Which of the following correctly orders four of these systems from most to least foundational?
Choose 1 answer:
A. B cell lymphatic tissue, lymph node, lymphatic system
B. B cell, lymphatic tissue, lymphatic system, lymph node
C. lymphatic tissue, B cell, lymph node, lymphatic system
Answers
Th appropriate ordering of the body system from least to most foundation in which they protect the body against infection is as follows.
cell lymphatic tissue, lymph node, lymphatic system, option A is correct.
The body has levels of organisation that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs
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Which of these structures are used to eliminate wastes in an earthworm?
A. Nephridia
B. Sperm ducts
C. Oviducts
Answers
A: Nephridia
Although both eukaryotes and prokaryotes are capable of causing infectious diseases in humans, eukaryotes are unique because they have a/an:
Answers
Answer:
organized nucleus
Explanation:
which body systems work together to provide oxygen to all cells within a human organism?
Answers
Answer:
Explanation:
For example, the respiratory system and the circulatory system work closely together to deliver oxygen to cells and to get rid of the carbon dioxide the cells produce.
Answer:
The respiratory and circulatory
Explanation:
The respiratory system allows for someone to breath and The circulatory system picks up oxygen in the lungs and drops it off in the tissues, then performs the reverse service for carbon dioxide.
why is modification of seed is useful
Answers
We need to recycle our waste because Earth is a closed system with respect to
matter, and new matter does not enter the environment. Agree or disagree
Answers
I disagree because although recycling is good, Earth firstly is not a closed system and new matter enters the environment all the time, such as comets.
In terms of matter, the Earth is often referred to as a closed system. In other words, the total amount of matter on Earth neither changes nor becomes more or less; Instead, it can take on different forms due to different processes. So, I am agree with this statement.
Although the Sun provides the world with continuous energy, most of the actual matter on Earth is recycled and used in various cycles. Recycling of waste is important because it enables us to recover useful materials and resources, reducing the need for mining new raw materials from the earth. Recycling helps us to reduce the environmental damage caused by the extraction and disposal of waste as well as the depletion of natural resources. It helps maintain long-term equilibrium inside a closed system of matter on Earth.
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The single stream recycling program that they partner with makes it convenient to
homeowners since they can put all of their recycling in one bin, what is the major drawback
to this type of recycling?
a. It is inconvenient for homeowners
b. It reduces how much stuff can be recycled
C. It is cost effective
d. It has to be sorted and contamination is higher
Answers
Answer:
Putting items in the recycling bin that can’t be recycled can contaminate the recycling stream. After these unrecyclable items arrive at recycling centers, they can cause costly damage to the equipment. Additionally, after arriving at recycling centers, they must be sorted out and then sent to landfills, which raises costs for the facility.
Explanation: d
After a nuclear disruption in Siberia during the winter, scientists found evidence that the DNA in cells of local wildlife newboms had several mutations. Which of
the following is a valid claim that can be made about how the nuclear disruption led to mutations?
A High temperatures during the disruption caused damage to parental gametes (sex cells) resulting in mutations in newborns
mutations in newborns
B. High temperatures during the disruption caused damage to parental somatic cells resulting.
C Exposure to radiation during the disruption caused damage to parental gametes (sex cells) resulting in mutations in newborns.
D. Exposure to radiation during the disruption caused damage to parental somatic cells resulting in mutations in newborns.
Answers
Answer:
The correct answer is choice (B) the
production of proteins. Choice (A)
is incorrect because mitochondria
produce energy for the cell. Choice (C)
is incorrect because the cell membrane
controls the removal of substances
from a cell. Choice (D) is incorrect
because lysosomes break down
chemicals.
Explanation:
C. Exposure to radiation during the disruption caused damage to parental gametes (sex cells) resulting in mutations in newborns is a valid claim that can be made about how the nuclear disruption led to mutations.
What is damaged by radiation while mutations in DNA?Radiation can cause mutations in DNA by damaging the genetic material, and these mutations can be passed on to offspring through the parent's gametes.
This is because radiation can cause mutations in DNA by breaking the chemical bonds that hold it together or by causing other types of damage that alter the sequence of nucleotides. Since gametes are the cells that are involved in reproduction and pass on genetic material to offspring, mutations in gametes can be passed down to future generations.
Somatic cells, on the other hand, are the cells that make up the body of an organism but are not involved in reproduction. Mutations in somatic cells can lead to health problems for the individual but are not passed down to offspring.
Therefore, in this scenario, exposure to radiation during the nuclear disruption likely caused mutations in the gametes of the local wildlife, which were then passed down to their offspring resulting in genetic mutations in newborns.
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Multiple choice please help!
Answers
Answer:
A=T is the answer ..............
Answer:
The correct answer is A) A=T
Explanation:
How many chromosomes will be in a fertilized egg if the sperm has a monosomy disjunction error?
Answers
Answer:
About half of all girls with Turner syndrome have a monosomy disorder. Monosomy means that a person is missing one chromosome in the pair. Instead of 46 chromosomes, the person has only 45 chromosomes.
Explanation:
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Why do cells go through division?
A. Repair
B. Reproduction
C. Growth
D. All of these are correct
Answers
Answer:
The answer should be D because all of these are the reasons.
explain the interaction between geological events, human population, and the environment
Answers
The relationship between the environment, human population and geological events is complex and multidimensional. While human activities can also have significant effects on geological processes, geological events such as earthquakes, volcanic eruptions and climate change can have significant effects on the environment and human populations.
What is an Environment?The conditions and forces that surround an organism, population or community are called its environment. It includes all elements of the Earth, both living and non-living, such as the atmosphere, hydrosphere, lithosphere, and biosphere.
The environment is a complex system that living things interact with and influence how they survive, develop and thrive. This includes biological elements such as plants, animals, microorganisms and their interactions, as well as physical elements such as temperature, light, water, soil, wind and topography.
Therefore, the relationship between the environment, human population and geological events is complex and multidimensional.
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How does the water cycle cause weather? Choose any that are correct
Answers
Answer:the 1st and 2nd one
Explanation:
I’m probably late but the reason is that they help in the process of forming a cloud that will eventually lead to weather like it being cloudy or rain.
Megan observes four cells under a microscope and makes sketches of them as shown. Identify whether the cells are prokaryotic or eukaryotic.
Answers
Eukaryotic have nucleus
Explain what is wrong with the cells shown in the image below.
Answers
Answer:
wrong answer
Explanation:
it doesn't show any thing that why its wrong
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What is a polar molecule?
Answers
Answer:
a polar molecule is a molecule that has a charge on one side of the molecule, that is not cancelled out.
Explanation:
i hope this helps you!
Answer: a molecule that has both positive and negative ions
Explanation: a water molecule has an oxygen element and 2 hydrogen elements the oxygen is a negative ion and the hydrogen ions are positive
what is the natural rate of nitrogen fixation in earth’s ecosystems?
Answers
Answer:
A reasonable upper bound for the rate of natural nitrogen fixation on land is thus about 140 Tg of N per year.
Find three consecutive odd numbers whose sum is 117. Find two ways to do this.
Answers
The way I did this is I knew that 50 would be too high so I assumed it was somewhere in the 30’s or 40’s so I just tried the lowest numbers in both of them then the highest in the 30’s
Which process is absent in animal cells?
making proteins
chemical reactions
respiration
photosynthesis
Answers
Answer:
photosynthesis
Which of the following describes a process of succession after a forest fire?
A. Small plants and trees grow back at the same time.
B. Two types of plants grow side by side.
C. Small plants grow but are eventually replaced by larger plants.
D. Animals and plants both grow in the area.
SUBMIT
Answers
Answer:
D if I'm D correct, or A maybe C, mostly D.
Answer:
C. Small plants grow but are eventually replaced by larger plants
Explanation:
Why is the sky blue according to Science.
Answers
Answer: The sky is blue due to a phenomenon called Raleigh scattering.
Explanation:
Answer: Raleigh scattering is the scattering of electromagnetic radiation by particles with smaller wavelengths. Shorter wavelenght waves are blue-hue.
Explanation:
Explain the carbon circle in 5 sentences
Answers
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Answer:Carbon moves from the atmosphere to plants.
Carbon moves from plants to animals.
Carbon moves from plants and animals to soils.
Carbon moves from living things to the atmosphere.
Carbon moves from fossil fuels to the atmosphere when fuels are burned.
Carbon moves from the atmosphere to the oceans.
what are the two primary types of water pollution that have to do with where the pollution came from
Point source and non point source
Physical and liquid
Groundwater and surface water
Chemical and biological
Answers
Answer:
Groundwater and surface water .Explanation:
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