Scientists use ____ sampling to estimate the population size of mobile animals.
A. mark–recapture
B. random
C. plot
D. base
E. homogeneous
Answer: A
Biology & Microbiology
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Operons that code for catabolic enzyme systems are typically regulated by repressors
Indicate whether the statement is true or false
Biology & Microbiology
Where does photosynthesis occur in plant cells?
a. plasma membrane b. Golgi bodies c. cytosol d. mitochondria e. chloroplasts
Biology & Microbiology
Which cell is NOT haploid?
a. polar bodies b. primary oocyte c. secondary spermatocyte d. spermatids e. sperm
Biology & Microbiology
If the quantities of the four bases in a DNA molecule are measured, we find that
A) T = A and C = G. B) A = G and C = T. C) A = C and G = T. D) no two bases are equal in amount. E) all bases are equal in amount.
Biology & Microbiology