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NNADVOKAT [17]
3 years ago
6

A molecule used by cells to store genetic information

Biology
1 answer:
aleksandr82 [10.1K]3 years ago
6 0
Chromosomes are found in the nucleas of a human cell and are carrier of generic information and responsible for the transmission of these information from one generation to another
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Help please?!!!???!????!??!??????????????!??!?!
Oksanka [162]

Answer:

1 and 3

Explanation:

Magnetic waves always go from north to south. So judging by the arrows you can tell the left/yellow pole is the north one. And since that is the north one, the green/right one is the south pole.

5 0
3 years ago
La membrana celular se compone de..
lana66690 [7]

Answer:

Phospholipids (Phospholipid Bilayer)

Explanation:

No se como decir esto en ingles y google translate no es confiable...

6 0
3 years ago
A population of Muscovy ducks contains 13 birds with black masks and 37 birds with red masks. Red masks are the dominant trait.
Semmy [17]

Answer: Black allele has frequency of 0.14.

              Red allele has frequency of 0.86.

             The frequency of heterozygotes is 0.241

Explanation: <em>Hardy-Weinberg model </em>states the frequency of alleles in a population will stay in equilibrium as long as there are external influences. It is also used to determine alleles frequencies using the following equations:

p+q=1

p^{2}+2pq+q^{2}=1

p represents frequency of dominant allele;

q represents frequency of recessive allele;

2pq is frequency of heterozygotes;

For the frequency of red allele, which is dominant, we can use:

p^{2}=\frac{37}{13+37}

p^{2}=\frac{37}{50}

p^{2}=0.74

p=\sqrt{0.74}

p = 0.86

For the black allele:

p+q=1

q=1-p

q=1-0.86

q = 0.14

Frequency of heterozygotes is

2pq = 2(0.86)(0.14)

2pq = 0.241

<u>Frequencies for a population of Muscovy ducks are </u><u>0.86 for red allele, 0.14 for black allele and 0.241 for heterozygote.</u>

5 0
3 years ago
. Pituitary gland (hypophysis): The size and shape of a pea; produces hormones that stimulate other endocrine glands. 2. Adrenal
Paraphin [41]

Answer:

This question is incomplete, the question is asking to match each description with its gland.

1. Pituitary gland (hypophysis): The size and shape of a pea; produces hormones that stimulate other endocrine glands

2. Adrenal medulla: Is part of the sympathetic nervous system

3. Pancreas: Produces hormones that regulate glucose levels in the body

4. Parathyroid glands: Primary regulators of blood calcium levels

5. Thyroid gland: Produces the body's major metabolic hormones.

Explanation:

1. Pituitary gland is the gland known as the "master gland" because it produces hormones that coordinates the activities of other endocrine glands. The pituitary gland is shaped like a pea and functions to maintain the well-being of the body i.e. metabolism, growth etc.

2. Adrenal medulla is the inner part of the Adrenal gland, which is an endocrine gland located above the kidney. The adrenal medulla (a part of adrenal gland) is a part of the sympathetic nervous system which functions in control of blood pressure and heart rate.

3. Pancreas is a digestive organ that acts as a gland by secreting hormones that regulate glucose levels in the body. These hormones are insulin and glucagon

4. Parathyroid glands is an endocrine gland that produced the parathyroid hormone, which helps in the regulation of blood calcium ion levels.

5. Thyroid gland is an endocrine gland located in front of the neck. It produced series of hormones called thyroid hormones that functions in the body's metabolism

8 0
4 years ago
Scientists studied reproduction in the New Zealand mud snail to answer the question, “Are there benefits to reproducing sexually
Vesna [10]
<span>Sexual reproduction is advantageous over asexual reproduction because it allows for snails to have increased genetic variation. because when one obtains a disease it doesn't kill the whole population because of the variation</span>
5 0
3 years ago
Read 2 more answers
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