Bacterial flagella ____
a. are smaller and simpler than eukaryotic flagella
b. consist of a straight fiber of protein
c. are found in all motile bacteria
d. are powered by a gradient of calcium ions
e. contain microtubules
ANSWER: a
You might also like to view...
The oldest fossils
a. demonstrate the widest distribution. b. represent the most highly evolved organisms. c. are found buried deeper in the ground than more modern forms. d. are found in Africa. e. are primitive marine vertebrates
Azidothymidine (AZT) is a(n) ________ used in the treatment of AIDS and targets the enzyme reverse transcriptase
Fill in the blank with correct word.
If a person's ability to form steroids in his/her body was destroyed, what functions would be affected?
A. Estrogen would no longer be produced in the body. B. Molecular hydrolysis reactions would stop functioning. C. The ability to produce insulin for glucose uptake would no longer exist. D. Hormone production in the endocrine system would no longer occur E. Cholesterol levels would keep increasing, causing cell death.
The evolutionary history of a group based on shared _____ derived from a common ancestor is used in the study of _____
What will be an ideal response?