If a DNA molecule was a spiral staircase, what
would the steps of the staircase be?
a. covalent bonds.
b. deoxyribose.
c. base pairs.
d. hydrogen bonds.
e. phosphate
C
Biology & Microbiology
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In terms of blood pressure regulation, the kidneys control ____
a. intracellular volume b. thirst c. sweating d. extracellular volume e. arteriole constriction
Biology & Microbiology
At present rates of clearing and degradation, most of the tropical rain forest biome will be gone by the year ____
a. 2035 b. 2050 c. 2100 d. 2150 e. 2200
Biology & Microbiology
The nucleic acid of retroviral provirus is composed of RNA
Indicate whether the statement is true or false
Biology & Microbiology
Which kingdom would include an organism that is multicellular, relies on other organisms for food, and reproduces by spores?
A) kingdom Animalia B) kingdom Fungi C) kingdom Plantae D) kingdom Protista
Biology & Microbiology