Chromosomes other than those involved in sex determination are known as
a. nucleosomes.
b. heterosomes.
c. alleles.
d. autosomes.
e. liposomes.
D
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Which environment would be most likely to harbor a biodiversity hotspot?
a. tropical island b. temperate grassland c. temperate deciduous forest d. desert e. savanna
Movement of IAA in a shoot tip is as follows:
a. IAA initially moves downward from the shoot tip via polar transport. b. IAA initially moves laterally from the shaded to illuminated side of the shoot tip. c. IAA initially moves laterally from the illuminated to shaded side of the shoot tip. d. IAA initially moves laterally in the shoot tip via non-polar transport. e. IAA moves from root tips upwards towards leaves.
The first cell of a new individual is the ____
a. blastula b. gastrula c. embryo d. zygote e. gamete
Physicians feel that the best way to differentiate between a fibroadenoma and a malignant tumor in the breast is through _____.
A. needle aspiration B. a biopsy C. a mammogram D. an MRI scan