During peristaltic contractions which of the following is not moved from the small intestine to the large intestine?
a. Mucosal cells
b. Water
c. Active bacteria
d. Undigested food matter
e. Inorganic substances
c
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In a population of Mendel's garden peas, the frequency of the A allele (p) is 30% and the frequency of the a allele (q) is 70%. Of 100 plants, 28 are AA, 4 are Aa, and 68 are aa. Is the population in Hardy-Weinberg equilibrium? How can you tell?
What will be an ideal response?
In which direction does DNA synthesis proceed?
a. From the beginning of the parent strand b. Wherever DNA ligase is first present c. From the 5' to the 3' end of the DNA strand d. From the 3' to the 5' end of the DNA strand e. From both the 5' and the 3' ends of the DNA strand
In green plants, the primary function of the Calvin cycle is to
A) split water and release oxygen. B) use ATP to release carbon dioxide. C) use NADPH to release carbon dioxide. D) construct the building blocks of simple sugars from carbon dioxide. E) transport glucose out of the chloroplast.
The state of having more than two sets of chromosomes is called:
A) dominant. B) polyploidy. C) autosomal. D) nondisjunction. E) aneuploidy.