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nadezda [96]
2 years ago
6

A mutation in the code for a trait may not always change the expression of that trait. What advantage does this provide cells?

Biology
1 answer:
Vedmedyk [2.9K]2 years ago
7 0

Answer:

, donner un exemple de deux plaques divergentes ,et de  deux plaques convergentes

??

Explanation:

tprenna

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Wax is secreted in the ear to reduce water and friction of sound waves. This is done by fat producing cells that break open alon
lara [203]

The question is incomplete as it does not have the options which are:

A. Merocrine gland

B. Apocrine gland

C. Salivary gland

D. Holocrine gland

Answer:

D. Holocrine gland

Explanation:

Exocrine glands are the organs or the subcellular structures which secrete a substance which is excreted out of the body.

The exocrine glands are different from the endocrine glands as their secreted products are released out of the body which is not in the case of endocrine glands.

The wax is secreted by the sebaceous glands by the production of cells that break along the base of the garland with substance into the ductal system by the exocrine glands called Holocrine glands.

Thus, Option-D is the correct answer.

Holocrine glands will release whole broken open cells into their ductal system. These cells contain the stores of substance to be released by the gland. This method of secretion requires frequent cell turnover and replacement.

6 0
2 years ago
Which of the following statements about magnesium atoms is NOT correct? 1. All magnesium atoms have the same number of protons.
Fantom [35]

Answer:

5. All magnesium atoms have the same number of neutrons

Explanation:

Magnesium (Mg) is a chemical element. Its atomic number (Z) is 12 (number of protons in the nucleus of the Mg atom).

The Magnesium has three stable isotopes: 24Mg, 25Mg and 26Mg. All these isoforms have 12 protons in their atoms (same atomic number), however they  vary in the mass number of the atom (M).

The mass number of the atom (M) is equal to the sum of protons and neutrons in the nucleus.

Based on this information we can know how many neutrons each isotope has

24 Mg = 12 protones + 12 neutrons

25Mg = 12 protones + 13 neutrons

26Mg = 12 protones + 14 neutrons

In this way we conclude that <u>not all magnesium atoms have the same number of neutrons</u>

5 0
3 years ago
How are the nature of genes expressed
Amiraneli [1.4K]
Genes encode proteins and proteins dictate cell function. Therefore, the thousands of genes expressed in a particular cell determine what that cell can do. Moreover, each step in the flow of information from DNA to RNA to protein provides the cell with a potential control point for self-regulating its functions by adjusting the amount and type of proteins it manufactures.
At any given time, the amount of a particular protein in a cell reflects the balance between that protein's synthetic and degradative biochemical pathways. On the synthetic side of this balance, recall that protein production starts at transcription (DNA to RNA) and continues with translation (RNA to protein). Thus, control of these processes plays a critical role in determining what proteins are present in a cell and in what amounts. In addition, the way in which a cell processes its RNA transcripts and newly made proteins also greatly influences protein levels.
8 0
3 years ago
Within what brain region would damage be most likely to disrupt your ability to skip rope? your ability to sense tastes or sound
Vlada [557]

There are so many examples for that in different areas, like organic germanium compounds experiment carried out in our lab recently.

Here's one link: http://www.alfa-chemistry.com/products/organic-germanium-24.htm


4 0
3 years ago
Which characteristic of a pine tree is an adaptation to the climate of the northwestern coniferous forests? Deep roots Conical s
Travka [436]
I’d say conical shape- coniferous trees are known for this shape.
6 0
3 years ago
Read 2 more answers
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