What is the best way to distinguish male from female?

A) Males are larger.
B) Males are more brightly colored.
C) Males are more aggressive.
D) Males produce motile gametes.
E) Females produce offspring.


D) Males produce motile gametes.

Biology & Microbiology

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What is a reason that the proteome is larger than the genome?

A. Alternative splicing B. Proteins are constantly being synthesized and degraded. C. Each protein has a specific function which are quite varied while the genes in the genome are only transcribed D. Each protein has multiple functional domains whille each gene consists of three basic parts.

Biology & Microbiology

Marine snow refers to:

a. neston. b. seston. c. cobwebby aggregates of mucus. d. fecal pellets. e. necktonic organisms.

Biology & Microbiology

The endosperm of an angiosperm seed is typically:a

haploid (1n). b. diploid (2n). c. triploid (3n). d. quadraploid (4n).

e. pentaploid (5n).

Biology & Microbiology

Restriction enzymes will not cut DNA if a single nucleotide within a recognition sequence is incorrect.

A) True B) False

Biology & Microbiology