The "mosaic" part of the fluid mosaic model refers to the membrane ____
a. proteins
b. phospholipids
c. cholesterol
d. functions
e. layers
ANSWER: a
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In meiosis, sister chromatids separate
a. before DNA replication. b. before crossing over. c. during Anaphase I. d. during Anaphase II. e. never; sister chromatids do not separate in meiosis.
________ is a halogen used in gaseous and liquid form for large scale disinfection of drinking water and sewage.
A. Fluorine B. Iodine C. Betadine D. Bromine E. Chlorine
Hemolytic disease of the newborn may result when which of the following couples have children?
A. An Rh (+) man and an Rh (+) woman B. An Rh (+) man and an Rh (-) woman C. An Rh (-) man and an Rh (+) woman D. An Rh (-) man and an Rh (-) woman E. All of the choices are correct
Let S = smooth pea and s = wrinkled pea; Y = yellow pea and y = green pea. What pea phenotype would be produced by the genotype SsYy?
A) smooth, yellow B) wrinkled, yellow C) wrinkled, green D) smooth, green