In monocots cultivated for human consumption, such as wheat, rye, and barley, what part of the seed contains most of
the minerals and fiber?
a. cotyledon
b. endosperm
c. embryo
d. seed coat
e. coleoptile
ANSWER: d
You might also like to view...
Transplacental infection occurs when microbes from the mother enter fetal circulation through the umbilical artery
a. true b. false
If a population of 5,000 zebras is growing logistically and has a carrying capacity of 10,000, what would the per capita rate of increase be if the population grew by 50 zebras in 1 year?
A) 0.2 B) 0.1 C) 0.02 D) 0.01
A researcher inserted DNA fragments from an organism into expression vector plasmids and introduced the modified plasmids into bacterial cells. Which of the following methods would be an effective means of identifying which clones contain a specific gene
of interest? A) Sequence the DNA of the plasmids from each isolate. B) Prepare and analyze restriction fragments of the plasmids. C) Isolate clones that still have the vector's genetic marker. D) Assay for activity of the gene product. E) Use reverse transcriptase to prepare cDNA copies.
Identify the role(s) of ATP in muscle contraction.
A. Binds to the troponin complex to expose myosin-binding sites B. Provides the energy to convert myosin to a form that forms a cross-bridge with actin C. Binds to myosin to break an actin-myosin cross-bridge