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vichka [17]
2 years ago
10

Red blood cells are considered because they're highly specialized.

Biology
1 answer:
Sophie [7]2 years ago
5 0
Wym???? whats the question?
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What is the role of RNA polymerase in transcription?
34kurt
<span>C. It binds to the coding region and adds nucleotides to the growing end of the DNA.

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At the molecular level, gene duplication often produces novelty in a lineage. This process provides another evolutionary pathway
alukav5142 [94]

Answer:

Bridgham et al. (2006) showed that the interaction between a steroid hormone (aldosterone-M) and its receptor (mineralocorticoid) evolved by Darwinian gradualism. In this work, the authors demonstrated  a primitive affinity between the hormone and its receptor that was initially present in chemically similar but more ancient ligands. This result has implications in understanding the association between gene duplication and the evolution of hormone signaling pathways. For example, in invertebrates, this work reinforces the importance of gene duplication in the existing interaction between paralogous glucocorticoid receptors and their receptor mineralocorticoid genes that were derived from duplication (Thornton 2001).

The publications above cited are the following:

J.T. Bridgham, S.M. Carroll, and J.W. Thornton (2006). Evolution of hormone-receptor complexity by molecular exploitation. Science, 312(5770), 97-101.

JW Thornton. Evolution of vertebrate steroid receptors from an ancestral estrogen receptor by ligand exploitation and serial genome expansions, Proc Natl Acad Sci USA (PNAS), 2001, vol. 98 10 (pg. 5671-5676).

6 0
2 years ago
Cells divide to make new cells.
Bogdan [553]

Answer:

Cells come from preexisting cells.

Explanation:

This statement relates to the statement that cells divide to make new cells.

3 0
3 years ago
What is the second step of protein synthesis called?
frutty [35]

Answer:

translation

Explanation:

Translation takes place at a ribosome in the cytoplasm. During translation, the genetic code in mRNA is read to make a protein.

3 0
2 years ago
Nadph builds up in the ________________ during electron transport.
Yanka [14]

NADPH builds up in the STROMA of the chloroplasts during electron transport. In chloroplasts,  NADP+ is reduced by the ferredoxin-NADP+ reductase.

Nicotinamide adenine dinucleotide phosphate (NADPH) is the reduced electron form of NADP+.

The NADPH coenzyme is generated during the last step of the electron transport chain of the light-dependent reactions of photosynthesis.

NADPH is used by plant cells as an electron donor in different reactions associated with dehydrogenase and reductase enzymes.

Learn more in:

brainly.com/question/6001645?referrer=searchResults

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