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posledela
3 years ago
11

Which of the following is most important to the heartbeat?

Biology
1 answer:
Dmitry [639]3 years ago
3 0
B. Sinoatrial nobe is the most important
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1, true 
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5 0
2 years ago
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olga2289 [7]

Answer:

The correct answer is -

1. protein synthesis or central dogma

2. leads to changes in the structure by changing in the codes which results in a decrease or loss of function.

Explanation:

1, Protein is made from the information coded in DNA base sequences by the two process protein synthesis that is also called central dogma. The two-process involve in this are transcription involves encoding the information present in DNA by mRNA molecule that codes the information in complementary sequence to DNA. which is then moved out of the nucleus and perform the translation with help of tRNA and ribosome to code the amino acid with help of triplet codes present in mRNA. These amino acids chain are called proteins.

2. Mutations can lead to change in the base sequences or deletion of the base which affects the structure of the protein and also leads to changes in an encoded protein or to a decrease or complete loss in its function or expression. Mutation can damage the cell or organism as it affects the gene expression of all cells of organisms.

7 0
3 years ago
I need two examples of things that apply to both relative and absolute dating
matrenka [14]
Relative dating concerns the dating of fossils by using stratum (layers in the rock) to find the estimated age.

Absolute dating is finding the age of a fossil by using radiometric methods, such as fluorine dating or half-life dating; which is more accurate than relative dating.
6 0
2 years ago
Some factors that contribute to a person's optimal personal health include nutrition, exercise, and genetics.
Yuki888 [10]

Answer: True

Explanation:

It should be noted that nutrition, exercise, and genetics contribute to the optimal personal health of an individual.

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