A ____ individual is always part of a testcross
a. heterozygous
b. homozygous recessive
c. homozygous dominant
d. self-fertilized
e. dihybrid
ANSWER: b
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Humans can digest starch but not cellulose because _____
A) humans have enzymes that can hydrolyze the ?-glycosidic linkages of starch but not the ?-glycosidic linkages of cellulose B) humans have enzymes that can hydrolyze the ?-glycosidic linkages of starch but not the ?-glycosidic linkages of cellulose C) starch monomers are joined by covalent bonds and cellulose monomers are joined by ionic bonds D) the monomer of starch is glucose, while the monomer of cellulose is galactose E) the monomer of starch is fructose, while the monomer of cellulose is glucose
In the female gametophyte, two cells flanking the egg secrete a ________ that guides the pollen tube's growth from the bottom of the style to the egg.
Fill in the blank(s) with the appropriate word(s).
Most of the available antimicrobial agents are effective against
A) viruses. B) bacteria. C) fungi. D) protozoa. E) All of the answers are correct.
Let S = smooth pea and s = wrinkled pea; Y = yellow pea and y = green pea. What pea phenotype would be produced by the genotype SsYy?
A) smooth, yellow B) wrinkled, yellow C) wrinkled, green D) smooth, green