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Marina CMI [18]
3 years ago
13

Points, enjoy, and luv you all

Biology
2 answers:
andrey2020 [161]3 years ago
5 0

Answer:

:)

Explanation:

bekas [8.4K]3 years ago
4 0

Thank You So muchhhhhhhhhhhhhhhhh!

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How does the prey population benefit when individuals in this population are eaten by a predator?
kati45 [8]

Answer:

Not well

Explanation:

A large prey population means there's plenty of food for predators, the predators are more likely to survive and reproduce A large predator population means that the prey population will start to fall as individuals are killed and eaten As the prey population falls, there is less food for predators, so they too decrease in numbers

7 0
3 years ago
In the family tree below, people with the recessive trait of attached earlobes are shaded gray
serious [3.7K]
<h2><u>Full Question:</u></h2>

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

What must be true about the person labeled "A"?

A. It is a male with at least one dominant allele.

B. It is a male with two dominant alleles.

C. It is a female with at least one dominant allele.

D. It is a female with two dominant alleles.

<h2><u>Answer:</u></h2>

Its a male with atleast one dominant allele.

Option A.

<h3><u>Explanation:</u></h3>

The gene for the attached earlobe is recessive while the gene for the free earlobes is dominant. In the phylogenetic tree, we can see that both the father and mother aren't having attached earlobes. So both of them are having atleast one dominant allele which makes them have free earlobe.

In the F1 offsprings, one of the female and a male is having free earlobes. So both of them have atleast one dominant allele. The 2nd female is having an attached earlobe. So both the recessive allele have come form one parent each. So both of them are heterozygous.

Thus, the male marked as A atleast have one dominant allele. He can be a homozygous dominant, but the probability is 25%.

8 0
3 years ago
What must happen before mistosis can being?
Vesna [10]

Answer:

The S phase of a cell cycle occurs during interphase, before mitosis or meiosis, and is responsible for the synthesis or replication of DNA. In this way, the genetic material of a cell is doubled before it enters mitosis or meiosis, allowing there to be enough DNA to be split into daughter cells

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What are three jobs for smooth er
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Smooth ER<span> also regulates and releases calcium ions and processes toxins. It is described as '</span>smooth<span>' to distinguish it from rough </span>ER<span>, which has ribosomes for protein synthesis on its surface. Each organelle in the cytoplasm of a cell is responsible for performing a certain function.</span>
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The effect of nicotine to indirectly inhibit ________ may explain the weight gain associated with ________.
drek231 [11]

The nicotine indirectly inhibit the CB1 or also known as the Cannabinoid receptor type 1, which is the one responsible in obesity and metabolic syndrome, thus, this would explain the weight gain associated with people who quit smoke as if this is indirectly inhibited, it produces weight gain.

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