Read pls I need answers

90 calories is the amount of calories does the fat consisting of total fat as 10 grams and saturated fat as 4 grams.

One of the six nutrients your body requires to be healthy is fat. Calories are produced by proteins, lipids, and carbohydrates. Protein and carbohydrates both contain 4 calories per gram. There are 9 calories in 1 gram of fat.

Similar to a teaspoon or an inch, a calorie is a unit of measurement. Calories are the units of energy used by your body during food digestion and absorption. A meal might provide your body extra energy if it has more calories. Knowing that there are 9 calorie per 1 gram of fat:

Total calories = 10 grams of fat x (9 calories/1 gram of fat)

Total calories = 90 calories

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The organism that is least useful for the process of relative dating: scallop.

Relative dating is a technique or method in Geology that is deployed in order to ascertain the relative sequence of events that have occurred in the pasts. Relative dating is helpful as it can tell about the relative order of past events without the estimation of their absolute age. Relative dating techniques help in determining the relative age of a particular item of interest in comparison to other objects found at a particular site.

The question is incomplete. The complete question is:-

Which organism from the video is the least useful for relative dating?

Hints:-

sycamore leaf

scallop

dinosaur

fern

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Answer: diseases and it'll lead to pollution

Explanation:

Answer: D. Data demonstrating a relationship between the amount of sun exposure and incidences of skin cancer.

Explanation:

Going through the other answers,

A doesn't seem logical as it only shows the location of DNA in a cell, which has nothing to do with inferencing the sun.

B also doesn't make sense since corelation[tex]\neq[/tex]causation. Just because someone had sunburns as a child doesn't mean they'll develop skin cancer.

C is also not the answer because many companies advocate that their products protect skin against UV rays, however Ultra-Violet radiation from the sun is hard to defend against.

Therefore, the answer is D since the amount of Sun exposure is usually a direct cause of skin cancer.

The correct answer is Aerobic ATP resynthesis.

What is vo2max ?

vo2max is the measurement of maximum amount of oxygen our body uses during exercises. Here, v represents volume, o2 is oxygen and max represents maximum.

What is Aerobic ATP resynythesis ?

It is the process of converting energy into Adenosine Triphosphate(ATP) by using oxygen present in blood. It occurs in mitochondria.

Therefore, vo2max provides a quantitative measure of a person's capacity for Aerobic ATP resynythesis.

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The stage of cell division in a diploid organism if you see seven chromosomes, each consisting of a pair of sister chromatids meiosis II prophase. Option D.

Diploid cells have two complete sets of chromosomes. Most human cells are diploid and composed of 23 pairs of chromosomes for a total of 46 chromosomes. These are 22 pairs of autosomes and 1 pair of sex chromosomes. During telophase, sister chromatids become daughter chromosomes. Mitosis has five main stages prophase metaphase anaphase telophase, and cytokinesis.

Meiosis is the process by which diploid cells become haploid cells. The difference between haploid and diploid cells is that haploid cells contain one complete set of chromosomes, while diploid cells contain two complete sets of chromosomes. Meiosis involves the division of the diploid parent cell. When mitosis is complete, cells have two sets of 46 chromosomes, each surrounded by its own nuclear membrane.

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A glucose molecule is split into two molecules of Pyruvate molecules.

An essential molecule in biology is pyruvate. It is a byproduct of the glucose metabolism process called glycolysis. One of two processes results in the breakdown of one glucose molecule into two pyruvate molecules, which are then used to produce further energy.

Pyruvate enters the citric acid cycle under aerobic conditions and proceeds through oxidative phosphorylation, which results in the net synthesis of 32 ATP molecules. Pyruvate is converted to lactate in anaerobic conditions by anaerobic glycolysis. During anaerobic respiration, two ATP molecules are produced.

The end product of glycolysis, an anaerobic process that breaks down glucose, is pyruvate. Pyruvate can be transformed into ethanol, the amino acid alanine, fatty acids or energy through acetyl-CoA, carbohydrates through gluconeo genesis, and fatty acids or energy.

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A student is performing a chemical analysis of xylem sap. This student should not expect to find much sugar.

The plants contain two vascular bundles which are referred to as the phloem vascular bundle and the xylem vascular bundle. The xylem and the phloem flow across a plant.

The phloem is the vascular bundle that is responsible for the transportation of food from the leaves to all other parts of the plant.

The xylem is the vascular bundle that is responsible for the transportation of water from the roots to all the parts of the plant.

Hence, the food 'sugar' will not be found in the xylem sap as it will contain water. Sugar will be found in the phloem.

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Water potential is calculated using the formula = S + P. The relationship between osmotic potential and solute concentration is direct. The likelihood that water in a solution may undergo osmosis reduces as a solution's solute concentration rises.

Water potential is higher in pure water. Purified water's water potential has traditionally been set at zero. This implies that any solution's water potential will always be negative.

The value of base water potential begins to decline at a temperature increase of 5 to 20 °C, whereas base water potential begins to grow at a temperature increase of 20 to 40 °C.

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Answer:

P(T)=P+ a1*T+a2*T2+a3*T3+a4 *T4+a5 *T5

Explanation

Given that the temperature = 10 degrees Celsius

Salinity= 35ppt

Density of the seawater is 996.73 kg/m3

Completed! Finnnnnnnnn

No, an organism with a homozygous dominant genotype cannot have an offspring with the recessive phenotype because when crossed with hetero/ homozygous , the offspring will contain a dominant allele.

An individual's genotype, often known as their genetic make-up, refers to the genes that are responsible for a set of characteristics or qualities that are manifested in that individual.

The phenotype is the outward manifestation of how a gene is expressed. The phenotype is the sum total of all the genes in an individual that are either expressed or can be observed in their physical form.

It is only possible for the phenotype associated with recessive alleles to be expressed in an organism if that organism possesses two copies of the recessive allele, making it homozygous for the recessive allele. This indicates that the genotype of an organism that possesses a dominant phenotype might either be homozygous for the dominant allele or heterozygous for the dominant allele.

Therefore, an organism with a homozygous dominant genotype cannot have an offspring with the recessive phenotype.

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Answer: In simple diffusion, small noncharged molecules or lipid soluble molecules pass between the phospholipids to enter or leave the cell, moving from areas of high concentration to areas of low concentration (they move down their concentration gradient).

Explanation:

The answer is A.

I wish you a restful sleep.

If one nerve stimulus arrives at a muscle fiber so soon that the fiber has only partially relaxed from the previous twitch, the most likely result will be paralyze.

The lag phase refers to the interval between a motor neuron's activation and the onset of muscle contraction (sometimes called the latent phase). A signal known as an action potential travels to the motor neuron's end during the lag period (axon terminal).

Acetylcholine is released as a result, and the motor end plate depolarizes. The sarcoplasmic reticulum releases calcium as a result of the depolarization, and calcium then binds to troponin, exposing the myosin binding site.

The actual muscular contraction that creates tension in the muscle occurs next. The contraction phase is the following stage. Actin and myosin cross-bridges form during the contraction phase. Actin is moved by myosin, which also releases and modifies cross-bridges.

Therefore, If one nerve stimulus arrives at a muscle fiber so soon that the fiber has only partially relaxed from the previous twitch, the most likely result will be paralyze.

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Answer: A

Explanation:

Tetanic contraction is avoided by the longer duration of cardiac action potential, allowing the heart chambers to relax and fill with blood before the next contraction.

Compared to skeletal muscle, the refractory period of cardiac muscle is significantly longer. This avoids tetanus and guarantees that there is adequate time between each contraction for the heart chamber to fill with blood before the next one. Accordingly, cardiac muscle is benefitted with the longer duration of its action potential.

Similar to skeletal muscle, the influx of sodium ions results in an initial depolarization; however, the depolarization in cardiac muscle is sustained for a longer period of time thanks to the influx of calcium ions.

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If snakes number will decrease then population of insects will increase. Grass population will decrease. The population of Cougars remains the same.

An ecosystem is a place where plants, animals, and other organisms interact with the environment, weather, and other variables to form a bubble of life. In ecosystems, biotic and abiotic factors—or nonliving components—coexist.

Biotic factors include plants, animals, and other species. Abiotic factors include rocks, temperature, and humidity. Each element of an ecosystem depends on every other element, either directly or indirectly.

The kinds of plants that may thrive there, for instance, are influenced by the regular temperature variations that occur in an ecosystem.

Therefore, If snakes number will decrease then population of insects will increase. Grass population will decrease. The population of Cougars remains the same.

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Amino acids best at binding DNA are positively charged ones like k and r as DNA is negatively charged which will bind more effectively with positively charged amino acids.

Amino acids are natural compounds that contain both amino and carboxylic corrosive useful bunches.

Even though hundreds of amino acids exist in nature, by distance, the foremost critical are the alpha-amino acids, which include proteins. As it were 22 alpha amino acids show up within the hereditary code.

Lysine and arginine are essential amino acids since their side chain bunch contains a full positive charge at the physiological ph. Histidine is additionally considered essential, but it can have a positive or an impartial charge on its side chain gathered at the physiological ph.

Among the 20 common amino acids, five have a side chain that can be charged. At pH=7, two are negatively charged: aspartic corrosive (Asp, D) and glutamic corrosive, and three are positively charged: lysine, arginine, and histidine (His, H) (fundamental side chains).

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Unsaturated fatty acids increase the fluidity of membrane and cholesterol brings stability to the cell membrane.

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If you pinch your nose while putting food in your mouth, you may experience lack of taste in the food.

It did appear that smell had an impact. However, the ability to taste was not completely impaired by nose plugs. Chewing certain foods allows aromas to reach the nose through the back of the mouth even when the nostrils are closed because the nose and throat share essentially the same airway.

Molecules from your food travel up your throat to the olfactory epithelium, where they activate odor receptors, when you eat.

Retronasal olfaction, as opposed to orthonasal olfaction, which occurs when you sniff through your nose, is prevented by pinching your nose. Retronasal olfaction is very important to your sense of flavor, which  many other people mistake for "taste.", we can demonstrate this with jelly beans: you can still taste the sweetness of the jelly bean by pinching your nose, but you can't tell the difference between a strawberry and a grape. One of the most common complaints made by people who have lost their sense of smell is that food no longer "tastes" good because it lacks a lot of flavor.

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Increased production of synovial fluid does not occur due to the effects of aging on the joints

Bones do not directly touch one another in a joint. They are padded by articular cartilage, which lines your joints, synovial membranes around the joint, and lubricating fluid inside your joints (synovial fluid). The amount of lubricating fluid inside your joints diminishes as you aging, and the cartilage gets thinner, making joint movement stiffer and less flexible. Joint stiffness is also often caused by the tendency of ligaments to shorten and lose some flexibility.

Lack of exercise is a major contributor to many of these joint changes that come with ageing. The fluid is kept moving by joint movement and the corresponding "stress" that comes with it. The cartilage contracts and stiffens with inactivity, decreasing joint mobility.

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Answer:

Animals are multicellular

This DNA fragment is smaller as compared to others.

In the field of science, gel electrophoresis can be described as a technique by which DNA fragments are separated based on their charge-to-mass ratio.

Those DNA fragments that are smaller will move faster as compared to the larger ones. This is because the charge on each DNA fragment will be the same but the smaller DNA fragments will be able to move faster.

Hence, the DNA band that is closest to the positive electrode will be able to travel faster as compared to others.

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The original experiment may be inaccurate and further experimentation is needed.

The accuracy of measurements depends on the quality of the measuring equipment and the skill of the scientists involved. For the data to be considered reliable the variability of the values ​​should be small. Repeated scientific research increases credibility. Results may change over the course of different studies or under different conditions.

It is therefore important that the experiment itself is reproducible. A reproducible experiment should but need not give the same results when performed by different people at different times and preferably under similar conditions. Repeating an experiment multiple times can help determine whether the data are random or normal. Avoid jumping to conclusions without sufficient evidence.

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Most AEC (Automatic Exposure Control) consoles permit activation of (b) all three cells in any combination.

An Automatic Exposure Control (AEC) console is a tool that is found on most of the advanced radiographic units. It helps the radiographer in ascertaining the radiation exposure (in terms of quantity) in order to create a quality image.

An AEC console is deployed to regulate invariably the quantity of radiation approaching the image receptors by terminating the length of exposure. Automatic Exposure Control (AEC) consoles are also known as automatic exposure devices. These consoles are exceptionally good at producing persistent levels of exposure if utilized accordingly.

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The use of fertility drugs is the technology used by some Chinese that can increase the possibility of multiple children in a single pregnancy.

Fertility drugs are the medications that serve various functions like production of eggs or sperms, or their quality.  Some drugs can speed up the growth and maturity of egg cells, resulting in the release of more than one egg cell at the same time. This is how multiple children are born from a single pregnancy.

Pregnancy is the stage when the fusion of the male and female gamete happens and the fetus develops inside the body of the mother. For humans, this time period is of 9 months.

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a) Genotype: The genetic composition of an organism is its genotype. The alleles or variations that an individual carries in a specific gene or genetic region are also referred to as the genotype.

Eg:  RR,Rr,rr can be the genotype of the color of a flower.

b) Homozygous: It is a gene region where there are two identical alleles present. Two alleles with the same variation or two alleles that are normal can both be present in a homozygous genotype

Eg:  BB is the homozygous gene for a dominant character like brown eyes in humans.

c) Heterozygous: It is a gene region where there are two distinct alleles present. One normal allele and one mutated allele, or two distinct mutated alleles, can make up a heterozygous genotype.

Eg: Bb is the heterozygous gene for brown eyes in humans.

d) Phenotype: It describes a person's observable characteristics. Both a person's genomic makeup (genotype) and environmental circumstances affect their phenotype.

Example:  Color of human eyes like brown, blue, black

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