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IRISSAK [1]
3 years ago
14

4.

Biology
1 answer:
Tanzania [10]3 years ago
5 0
D is the correct answer
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The proximal end of the radius illustrates the relationship of form and function. The cup-like surface of the radial head articu
Ksivusya [100]
<h2>The rotational motion of the forearm</h2>

Explanation:

  • The two large bones of the forearm, one being the Ulna and the other is radial bone or radius.
  • The Radius is larger in size than the Ulna.
  • Radius is prism shaped, little curved longitudinally long bone.
  • The part of two joints known as elbow and wrist comprised the Radius.
  • Radius link with the capitulum of the humerus at the elbow region.
  • Radius forms a joint at the wrist region with the ulna bone.

6 0
4 years ago
Only about ________ fertilized eggs develop to maturity
snow_tiger [21]
<span>300 to 400. However the older a women gets the more the number goes down. We are born with all the eggs we will ever need but by the time we hit puberty the number already decreases to 300,000</span>
4 0
3 years ago
Some molecules found in foods are known to be capable of driving DNA methylation or DNA demethylation. For example, folic acid (
Rufina [12.5K]

Answer: Eating excessive quantities of such molecules could deregulate this process, increasing methylation and repressing the expression of genes that should normally be expressed.

Explanation:

DNA methylation is one of the epigenetic mechanisms involved in the regulation of gene expression, because it is a process by which methyl groups are added to DNA.

Methylation then modifies the function of DNA when it is found in the promoter gene, it is essential for normal development and is associated with a number of key processes, including genomic imprinting, inactivation of the X chromosome, repression of repeating elements, aging, and carcinogenesis. Usually, <u>it acts to suppress gene transcription.</u>

For example, folic acid is essential for the rapid cell division that occurs during early fetal development and it also plays an important role in methylation and thus in gene regulation. <u>The metabolism of these vitamins is aimed at achieving adequate levels of  DNA methylation, necessary for the cellular processes</u>. Eating excessive quantities of such molecules could deregulate this process, <u>increasing methylation and repressing the expression of genes that should normally be expressed</u>.

3 0
3 years ago
Which statement is true about ATP production in fermentation and cellular respiration? A. Cellular respiration and fermentation
german

Answer:

There are two processes that are involved in the production of Adenosine Triphosphate or ATP and these are fermentation and cellular respiration. However, during fermentation on 2 ATP molecules are produced while in cellular respiration, 38 ATP molecules are produced.

So the answer would be Cellular respiration produces more ATP molecules than fermentation. 

8 0
3 years ago
Read 2 more answers
Which of these species typically has a mortality rate that remains fairly constant over an individual's life span? which of thes
svetlana [45]
The correct option is robin. Scientists usually draw survivorship curve to determine the pattern of mortality and survival in different species. The graph usually show three basic patterns, some species produce a lot of offspring but only a few survive to the stage of active reproduction, some produce a small number of offspring but a large number of them survive to adulthood while the rest of the species are intermediate and have a fairly constant rate of mortality and survival. Robin falls into this last group.
4 0
3 years ago
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