The concentration of carbon dioxide in the earth's atmosphere is

a. 0.004 percent.
b. 0.04 percent.
c. 0.4 percent.
d. 4.0 percent.
e. 40 percent.


B

Biology & Microbiology

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The glycolate pathway is also called ________, because CO2 is released and oxygen is consumed in a light-dependent manner.

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

Biology & Microbiology

If you, like Mendel, grow plants in the lab, and cross short (tt) pea plants with short pea plants, the offspring will be

A. all tall. B. all short. C. nonexistent. D. a mix of tall and short. E. None of the answer choices is correct.

Biology & Microbiology

A molecular analysis of plasma or nuclear membranes would reveal the presence of _____

a. cellulose and chitin b. suberin and cutin c. phospholipids and proteins d. microtubules and microfilaments e. phospholipids and nucleic acids

Biology & Microbiology

How many different types of gametes can be produced by a short plant with yellow, round peas with a heterozygous genotype (YyRrSs)?

A) 3 B) 6 C) 8 D) 10 E) 12

Biology & Microbiology