Protobionts are vesicle-like assemblages of abiotically-produced organic polymers
_______ Indicate whether the statement is true or false.
T
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The oral contraceptive pill contains ____
a. estrogen only b. estrogen and/or progestin c. estrogen and FSH d. FSH and progestin e. estrogen, progestin, and FSH
Which of the following are NOT found in any
prokaryotic cell? a. ribosomes b. membrane-bound organelles c. polysaccharide capsules d. cell walls e. flagella
The autoimmune disorder that involves a progress loss of myelin is ____
a. epilepsy b. Parkinson’s disease c. Alzheimer’s disease d. meningitis e. multiple sclerosis
Gram-positive bacteria are colored purple by the Gram stain because:
a. they have circular DNA molecules called plasmids that repel the stain. b. they have a capsule that lies outside the cell wall. c. they have a layer of glycoprotein called peptidoglycan outside of the cell membrane.