The structure labeled "2" in the figure is a(n) ____
a. mycelium
b. zygote
c. ascus
d. gill from the underside of a mushroom
e. spore sac
ANSWER: a
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Which of the following is NOT a function of the integumentary system?
A. defense against pathogens B. fluid transport C. supporting the weight of body structures D. protection from dehydration E. regulation of body temperature
The organelle that consists of a stack of flat, membrane-enclosed sacs is the
A) mitochondrion. B) nucleolus. C) Golgi apparatus. D) nucleus.
In forensics, a DNA sample is analyzed to determine which alleles of 13 SSR loci are present. How is the probability of that specific combination of SSR alleles existing in the population calculated?
A) The frequency of each genotype is known from determining which allele is the rarest for each locus and then determining if the individual sample contains those alleles. B) The total number of alleles for all loci in the population is calculated. C) The Hardy-Weinberg Law is used to predict the genotype frequency at each locus. D) The total number of alleles in the population is multiplied by 2.
Alcoholic fermentation is the basis for
a. bread baking. b. beer brewing. c. ethanol fuel production. d. all of the above.