In which of the following conditions do plants close their stomata?

A. Bright sunlight
B. Water stress
C. Low CO2
D. Lack of wind


Ans: B. Water stress

Biology & Microbiology

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What quality of the traits that Mendel chose to study allowed him to establish the basic laws of inheritance?

A. The genes for most of the traits were linked. B. The genes for all of the traits had more than two alleles each. C. The alleles that he studied were either dominant or recessive. D. The epistatic genes for the traits he studied were homozygous recessive. E. The traits he studied were never controlled by two or more genes.

Biology & Microbiology

How do food webs relate to the idea of biological magnification of toxins?

What will be an ideal response?

Biology & Microbiology

These muscles would contract when a person goes into a walk-in freezer: ________

Fill in the blank(s) with correct word

Biology & Microbiology

Some bacteria develop resistance to groups of drugs because the drugs are all structurally similar to each other; this is a phenomenon known as (cross/multiple/synergistic) resistance.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology