Indicate the ploidy of each of the following cells:A

fungal spores
B. sperm
C. somatic cells
D. cells of a flower petal What will be an ideal response?


Concepts to Consider: Fungal spores are haploid; sperm cells are haploid; somatic cells are diploid;
cells of a flower petal are diploid

Biology & Microbiology

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Patients who have type 2 diabetes no longer express genes when exposed to insulin. How might this phenomenon be explained?

A. The insulin signal transduction pathway becomes permanently activated. B. Insulin can no longer bind to the insulin receptor because the receptor is mutated. C. The signal transduction pathways in the cells no longer exist. D. The nucleus of their cells are altered so that insulin can not bind. E. Transcription factors normally activated by insulin remain off.

Biology & Microbiology

The Reznick and Endler guppy study showed

that killifish and pike-cichlids raised in natural conditions will a. affect the age at first reproduction of the guppies that live with them. b. prey on guppies. c. affect the growth rate of guppies. d. affect the evolution of the guppies' life history traits. e. do all of these

Biology & Microbiology

Latent heat of vaporization

What will be an ideal response?

Biology & Microbiology

He function of the structure labeled 6 in Figure 41-1 is:

T
a. insulation.
b. neurotransmitter release.
c. binding neurotransmitters.
d. conduction of an electrical signal.
e. acting as a ligand-gated channel.

Biology & Microbiology