A ________ rate measures the number of individuals who become ill as a result of a specific disease within a susceptible population during a specific time period.
A. index
B. mortality
C. prevalence
D. morbidity
Answer: D
Biology & Microbiology
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In yeast chromosomes, centromeres
A) help distinguish one chromosome from another. B) are closely related in sequence. C) are only 10–15 bp long. D) contain satellite DNA.
Biology & Microbiology
A sorus is ____
a. a fern spore b. the fern gametophyte c. an egg-producing structure d. where the sperm are produced e. a collection of sporangia
Biology & Microbiology
Following fertilization of animal eggs, ________ are the second messengers that trigger egg activation
Fill in the blank with correct word.
Biology & Microbiology
If one strand of DNA has the base sequence AAGCAA, the complementary strand has which of the following sequences?
A. UUCGUU B. TTCGTT C. AAGCAA D. UTCGTU E. TTCGTG
Biology & Microbiology