At which temperature does photorespiration use as much as 50% of a plant's energy?

a. 10ºC
b. 20ºC
c. 23ºC
d. 35ºC


Ans: d. 35ºC

Biology & Microbiology

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The process of forming a cross wall between two daughter cells is known as ________.

A. septation B. replication     C. sporulation D. mitosis

Biology & Microbiology

________ is an aerobic chemolithotrophic process that ultimately oxidizes ammonia to nitrate, whereas ________ is a form of anaerobic respiration involving the oxidation of an organic compound using an oxidized nitrogenous compound, such as nitrate, as the terminal electron acceptor.

A. Denitrification; nitrification B. Ammonification; denitrification C. Nitrification; denitrification D. Ammonification; nitrification

Biology & Microbiology

Species interactions between members of a community include __________ and __________, in

which one species benefits at the expense of another. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

What is the ultimate source of variability in offspring?

a. Okazaki fragments b. DNA repairs c. nucleosomes d. mutations

Biology & Microbiology