Which one of the following is a very important source of energy for nearly all cells?
A) cellulose
B) deoxyribose
C) starch
D) glucose
E) ribose
D
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If the recombination frequency between two genes is close to 50%, what could be true about the location of the two genes? (Select all that apply.)
A) They are on nonhomologous chromosomes. B) They are far apart on the same chromosome. C) They are very close together on the same chromosome. D) None of the choices could be true.
The 9:6:1 F2 ratio found in fruit shape in summer squash is a deviation from an expected Mendelian ratio. What does this represent?
What will be an ideal response?
Select the best response to the question. ? Hand hygiene with an alcohol-based hand rub is indicated in which of the following situations?
A) after eating B) before repositioning a patient in bed C) if hands are visibly soiled D) after using the restroom
In which stage of mitosis does exchange of genetic material between chromosomes (crossing over) occur?
A) prophase II B) prophase I C) anaphase I D) none of the above