The compensation depth is the depth at which daily or seasonal ________ is sufficient to allow photosynthesis to occur

a. oxygen
b. light
c. carbon dioxide
d. nitrogen


b

Biology & Microbiology

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Transfer of a functional domain from one gene to another, creating a novel protein, can occur by _______; this could provide an evolutionary advantage because

A. intron realignment; it shifts protein structure. B. intron shuffling; it increases genetic variation in a population. C. exon shuffling; it increases genetic variation in a population. D. proteomics; it shifts protein structure. E. both intron shuffling and proteomics; it shifts protein structure and increases genetic variation.

Biology & Microbiology

At present there are _____ primary lineages called domains

1.1 2.2 3.3 4.4 5.5

Biology & Microbiology

Thymine can be converted to uracil by a chemical mutagen. Indicate whether the statement is true or false

Biology & Microbiology

Which of the following is NOT part of the conducting portion of the human respiratory system?

A) Bronchi B) Pharynx C) Larynx D) Trachea E) Alveoli

Biology & Microbiology