Each tRNA has an __________ that base-pairs with a

codon, and each binds to the kind of amino acid
specified by the codon. Fill in the blank(s) with the appropriate word(s).


Answer: anticodon

Biology & Microbiology

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A human blastomere is _____

A) an embryonic cell that is smaller than the ovum B) an embryonic structure that includes a fluid-filled cavity C) that part of the acrosome that opens the egg's membrane D) a component of the zona pellucida E) a cell that contains a (degenerating) second polar body

Biology & Microbiology

The presence of two or more different alleles in a population for a given locus is termed:a

heterozygosity. b. genetic polymorphism. c. polygenic stasis. d. a gene pool. e. frequency independent selection.

Biology & Microbiology

Rubbery cartilage, calcium-hardened bone tissue, lipid-storing adipose tissue, and blood are examples of specialized ____________________ tissues.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

In Mendel's pea plants, yellow seeds are dominant to green seeds. Purple flowers are dominant to white flowers. Use Y and y for the seed color alleles and P and p for the flower color alleles. Flower color and seed color assort independently. If a plant

that is heterozygous for both flower color and seed color genes is self-fertilized, what proportion of the offspring will have one of the dominant phenotypes, either the seed color or flower color, but not both? A) 9/16 B) 9/32 C) 6/64 D) 6/16 E) 6/32

Biology & Microbiology