Cells are made of mostly

A. Nucleic acids
B. Protein
C. Carbohydrates
D. Lipids


Ans: B. Protein

Biology & Microbiology

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You have spent time working with a population of beetles. Males range in size from 2-6 cm in length. You realize that the females only mate with males that measure less than 3 cm long

If you measured allele frequencies at a single locus that contributes to overall length, would you expect this population to be in H-W equilibrium from one generation to the next? A. yes B. no

Biology & Microbiology

The vertebrate fish group that most likely gave rise to the tetrapods are the:

a. ray-finned fishes b. cartilaginous fishes c. hagfishes d. lampreys e. lobe-finned fishes

Biology & Microbiology

The process by which bacteria evolved into

mitochondria is most closely related to

a. endocytosis. b. exocytosis. c. phagocytosis. d. binary fission. e. more than one of these

Biology & Microbiology

A DNA fingerprint of a suspect doesn't match a DNA fingerprint from a blood sample taken at a crime scene. What can you conclude?

A) The suspect was never at the crime scene. B) The blood sample was probably degraded or destroyed in some way. C) There is no DNA in a blood sample. D) The blood came from a different person, but the suspect may have been there.

Biology & Microbiology