What does a gene actually code for?

A) A polypeptide
B) An enzyme
C) An amino acid
D) A protein
E) A nucleotide


A

Biology & Microbiology

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Which layer of the digestive tract covers and protects the gut?

A. lumen B. mucosa C. submucosa D. longitudinal muscles E. serosa

Biology & Microbiology

Which of the following is the least inclusive level in the taxonomical hierarchy?

a. kingdom b. phylum c. genus d. species

Biology & Microbiology

Megaspores are produced

a. within ovules. b. within seeds. c. by pollen grains. d. by the gametophyte. e. by the union of egg and sperm cells.

Biology & Microbiology

Which is not a characteristic of the gymnosperms?

A) Cones B) Seeds C) Pollen D) Flowers

Biology & Microbiology