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Tamiku [17]
3 years ago
8

Which of the following is not one of the five signs that you need to seek professional help to treatyour comminicable disease?

Biology
1 answer:
boyakko [2]3 years ago
4 0
<span>Thick, yellowish-green mucus coming from the nose is NOT one of the five signs that you need to seek professional help to treat your communicable disease.</span>
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If Jennifer is normal (and is not a carrier) but her husband, James, is colorblind, what are the chances of their daughter, Jean
agasfer [191]

Answer:

0

Explanation:

This question involves a single gene coding for sight in humans. The allele for normal vision (C) is dominant over the allele for color blindness (c).

Based on the question, If Jennifer is normal (and is not a carrier) i.e. she has a genotype CC, and her husband, James, is colorblind with genotype cc. Each parent will produce C and c gametes respectively. Using these gametes in a punnet square (see attached image), all of the offsprings will have the genotype Cc, which is phenotypically normal visioned.

Therefore, according to this question, the chance of their daughter being color blind is 0.

5 0
3 years ago
Describing Inheritance
kompoz [17]

Answer:

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Explanation:

3 0
3 years ago
Can someone help me please?
oee [108]
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6 0
3 years ago
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What process allows Na+ and K+ to move in and out of the cell simultaneously?
Anuta_ua [19.1K]

Answer:

The correct answer is: C. Active Transport.

Explanation:

Because Na+ and K+ are ions, which makes them <em>charged molecules</em>, they can only diffuse through the cell membrane when using specialized protein channels. This is called <u>facilitated diffusion</u> and is a form of passive transport because sodium and potassium move <em>following their gradients</em>, which are made of the difference in concentration between the inside of the cell and the outside of the cell. For example, potassium is highly concentrated inside the cell and poorly concentrated outside the cell, so potassium diffuses from the inside to the outside to even the concentrations.

But the question asks in which process Na+ and K+ move in and out of the cell SIMULTANEOUSLY, so the answer is actually <u>active transport</u>. Active transport is the opposite of passive transport. While passive transport occurs naturally and doesn't need ATP (energy) to happen, active transport needs ATP because it moves molecules AGAINST their gradient. One of the most famous and important structures involved in active transport is the Na+/K+ pump, which consists of a <em>specialized protein using energy to enter 2 potassium ions and take out 3 sodium ions at the same time</em>. This Na+/K+ is fundamental to maintain the gradients, which are important for the correct functioning of many cells.

4 0
3 years ago
Joseph used classical conditioning to teach his sister to be afraid of squirrels. if he is successful, the neutral stimulus, the
Naily [24]
In order to carry out classical conditioning, a neutral stimulus must be paired with an unconditioned stimulus, such as a loud noise.
By combining the neutral stimulus with the unconditioned one, a person or animal may be made to associate the two stimuli subconsciously. This is also observed in children that are taught to fear an object or an animal, where a neutral stimulus such as a cat may be paired with an unconditioned stimulus, such as the pain of being scratched.
3 0
3 years ago
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