Anti-A and anti-B antibodies are natural antibodies and are present at birth

Indicate whether this statement is true or false.


FALSE

Biology & Microbiology

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____ is a large, double-stranded, helical molecule that contains instructions for assembling a living

organism from simpler molecules.

a. RNA b. DNA c. ATP d. NADPH e. Protein

Biology & Microbiology

Turner’s syndrome individuals have how many chromosomes?

a. 23 b. 24 c. 45 d. 46 e. 47

Biology & Microbiology

Amino acids are ampholytes because they can function as either a(n):

A) acid or a base. B) neutral molecule or an ion. C) polar or a nonpolar molecule. D) standard or a nonstandard monomer in proteins. E) transparent or a light-absorbing compound

Biology & Microbiology

Endonucleases and exonucleases are enzymes that can remove nucleotides from a polynucleotide chain. An endonuclease removes nucleotides ________ while an exonuclease removes nucleotides ________.

A. from the ends of the chain; internally B. internally; from the ends of the chain C. from the 3' end of the chain; from the 5' end of the chain D. from the 5' end of the chain; from the 3' end of the chain

Biology & Microbiology