The part of the plant that allows for the exchange of carbon dioxide and oxygen is the:

a. Root
b. Stomata
c. Xylem
d. Phloem
e. Cuticle


Answer: b. Stomata

Biology & Microbiology

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Which of the following statements is true regarding the parasexual cycle demonstrated by some fungi? Select all correct choices

A. It involves mitotic recombination. B. It involves meiotic recombination. C. Chromosomes are lost until haploid (1n) cells are achieved. D. Chromosomes are added until haploid (1n) cells are achieved. E. The parasexual cycle produces dikaryotic (n+n) cells.

Biology & Microbiology

Which type of membrane protein will bind to a signal molecule?

a. passive transporter b. enzyme c. adhesion d. receptor

Biology & Microbiology

How many layers does the plasma membrane have?

a. One b. Two c. Three d. Four

Biology & Microbiology

The sequencing and analysis of an organism's genetic information is called

A) protein synthesis. B) gene therapy. C) genomics. D) northern blotting. E) PCR.

Biology & Microbiology