Molecules that are ______ are lipid soluble and can easily cross a plasma membrane, while _____ molecules cannot

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


non polar, polar

Biology & Microbiology

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Carbonic anhydrase in red blood cells catalyzes formation of bicarbonate from water and _____

a. oxygen c. oxyhemoglobin b. hemoglobin d. carbon dioxide

Biology & Microbiology

Protozoan classification used to be based on their means of

A. locomotion. B. growth. C. reproduction. D. obtaining nutrients.

Biology & Microbiology

Which of these statements is true?

a. 75 percent of the causes of infertility remain unidentified. b. Long-term stress can cause early puberty and more frequent menstruation. c. Proper nutrition is an important factor in supporting fertility. d. In vitro fertilization involves injecting sperm into the uterus.

Biology & Microbiology

How is methylation of DNA maintained following DNA replication?

What will be an ideal response?

Biology & Microbiology