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igomit [66]
3 years ago
6

Darwin observed that finches’ _______ were specialized according to their unique environments.

Biology
1 answer:
ddd [48]3 years ago
4 0

Answer:

beaks

Explanation:

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A frameshift mutation that occurs very early in a protein sequence would have what effect on the protein's structure? A. The pri
AlekseyPX

Answer:

C. Primary, secondary, and tertiary structures would be altered

Explanation:

Frameshift mutations refer to the mutations that change the reading frame of the gene. Frameshift mutations are mostly caused by insertion or deletion of nucleotide since addition or loss of nucleotide alters all the codons present downstream of the point of the mutation site. If frameshift mutation occurs at the beginning of the protein sequence, all the downstream amino acids would be altered.

The changed amino acid sequence would alter the primary structure of the protein. Since the secondary and tertiary structure of proteins is determined by interactions between the R groups of amino acids, their polarity, charge, etc., the altered amino acid sequence would also alter secondary, and tertiary of the protein.

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3 years ago
The kidney is referred to as an excretory organ because it excretes ______ wastes. It is also a major homeostatic organ because
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Answer:

Nitrogenous;Acid-Base and Fluid

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The kidney is referred to as an excretory organ because it excretes nitrogenous wastes. It is also a major homeostatic organ because it maintains the electrolyte Acid-Base, and fluid balance of the blood.

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Mayonnaise is made up of eggs, oil, and vinegar. Under which category it should be classified?
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M<span>ayonnaise is a heterogeneous mixture</span>
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