A scientist wants to study histones. Histones are:
A. proteins that double-stranded DNA molecules wrap around in eukaryotes.
B. proteins that double-stranded DNA molecules wrap around in prokaryotes and eukaryotes.
C. proteins that regulate checkpoints in the mitotic cell cycle.
D. proteins that serve as the spindle fiber to pull sister chromatids apart during anaphase.
E. proteins that required for the activity of Cdk enzymes.
A. proteins that double-stranded DNA molecules wrap around in eukaryotes.
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Competent cells are those used in studies of conjugation
Indicate whether the statement is true or false
A microclimate ____
a. occurs when the climate is moderated by the ocean b. occurs when topographic features influence rainfall c. describes weather conditions prevailing over an extended period of time d. describes daily maximum and minimum temperatures e. is the abiotic conditions immediately surrounding an organism
The ______ biome is located along the Mediterranean Sea and receives most of its rainfall in the winter.
a. savanna b. temperate grassland c. subtropical desert d. chaparral
Genetic variation in behavior occurs between species and within species. Describe the genetic basis for the difference in mating behaviors in closely related species of voles
What will be an ideal response?