A somatic cell from a garden pea normally contains 14 chromosomes. How many sister chromatids would that cell contain during G1 of the cell cycle?
A. 14
B. 7
C. 28
D. 0
Answer: D
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Which of the following are features of guard cells that enable them to function?
A. thick inner walls B. chloroplasts C. cellulose microfibrils D. their shape E. All of these are true
Which of the following is not necessarily the result of a female orgasm?
a. increased heart rate b. rhythmic contractions of skeletal muscles of the pelvis c. pregnancy d. relaxation e. generalized skeletal muscle contractions
In a group of 500 people, the frequency of genotype NN is 40%. Assuming both autosomal inheritance and that the population is in Hardy-Weinberg equilibrium, how many individuals would you expect to have the MN genotype?
A) 68 B) 232 C) 300 D) 200 E) 258
Plant roots increase the soil's capacity to hold water, so vegetation contributes to erosion and flood control
Indicate whether the statement is true or false