Which of the following statements characterizes PCR?
a. PCR can be performed with any DNA polymerase.
b. PCR is only useful for amplifying large quantities of DNA in vitro.
c. PCR replicates specific DNA sequences.
d. PCR has not been successful for archaeological and crime scene analyses.
e. PCR utilizes Taq polymerase, which active only at low temperatures
c
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Which of the following statements about kudzu
is false? a. It was imported from Asia for erosion control and forage. b. It was originally introduced into the Pacific Northwest. c. It is an exotic species. d. It grows over most anything stationary in its path. e. It is a vine
The head of a sperm is capped with an organelle that contains glycoprotein-digesting enzymes. What is this organelle called?
A. zona pellucida B. acrosome C. granulosa D. blastula E. neural cap
Humans have ____
a. more taste receptors than olfactory receptors b. more olfactory receptors than taste receptors c. a high degree of dependency on pheromones d. approximately six types of olfactory receptors e. an advanced vomeronasal organ
Which of the following is the most likely explanation for the loss of mitochondria in Excavates?
a. their flagella b. their aquatic habitat c. their similarity to bacteria d. their parasitic lifestyle