You are eating in a French restaurant and read that snails are on the menu. Being a knowledgeable biologist, you kindly inform the other members at the table that this restaurant is serving the ___________ class of mollusks.
a. Cephalopoda
b. Polyplacophora
c. Gastropod
d. Monoplacophoran
e. Bivalvia
Ans: c. Gastropod
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A woman was told by her doctor that while she is pregnant, she might want to let someone else care for her cats so she would not contract toxoplasmosis. What is the mechanism of transmission of toxoplasmosis?
A. infection from mice the cat may bring into the house B. exposure to infected cat feces C. infection from saliva D. scratches from infected claws E. flea bites transmit the organism
The cell cycle of a typical somatic cell consists of __________ and M phase
a. interphase b. meiosis I c. crossing-over d. meiosis II e. mitosis
To retrieve a sample from a culture tube with an inoculating loop, the cap of the tube is
What will be an ideal response?
During meiosis, genetic material can be exchanged between homologous chromosomes when matching regions on each chromosome break free and exchange places with each other. What is this process called?
A) crossing over B) asexual reproduction C) mitosis D) mutation