What ion is mainly responsible for seawater being slightly alkaline?

a. Carboxylic acid
b. Carbon dioxide
c. Bicarbonate
d. Nitrogen


c

Biology & Microbiology

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Which of the following molecules help maintain cell-cell adhesions in plants?

A. cadherins B. pectins C. integrins D. cellulose

Biology & Microbiology

The above figure is of a wolf behavior which tells

others a. to prepare for a fight. b. that the wolf is subordinate and won’t be a threat. c. that it wants to mate. d. that it wants to play. e. none of these.

Biology & Microbiology

A painful muscle spasm that doesn't immediately release is a(n)

a. inflammation. b. muscle tear. c. cramp. d. isotonic contraction. e. dystrophy.

Biology & Microbiology

The study of the interactions among organisms and between organisms and the environment is called ________

Fill in the blank(s) with correct word

Biology & Microbiology