In hydrocarbons, electrons are shared equally in all bonds. Does this suggest that hydrocarbons are soluble or insoluble in polar solvents (such as water)?

a. soluble
b. insoluble
c. soluble at high temperatures only
d. insoluble at high temperatures only


b

Biology & Microbiology

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Matthew noticed that his house plants were wilting badly. Which cell structure had most likely contracted?

A. cytoplasm B. cell wall C. plasma membrane D. vacuole

Biology & Microbiology

Define and give an example of convergent evolution

What will be an ideal response?

Biology & Microbiology

In the lac operon, cAMP binds to:

a. DNA. b. the repressor gene. c. the operator gene. d. the repressor protein. e. catabolite activator protein.

Biology & Microbiology

For each glucose molecule that begins cellular respiration, the citric acid cycle must turn once

__________________ Indicate whether the statement is true or false.

Biology & Microbiology