Cells use energy for which of the following?
A. to do work
B. to synthesize proteins
C. to expel waste
D. to move substances across membranes
E. All answers are correct
Answer: E. All answers are correct
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In karyotyping, individual chromosomes may be
distinguished from others by a. a comparison of chromosome lengths. b. bands produced on chromosomes by differential staining. c. the position of centromeres. d. all of these. e. none of these.
Pasteur
A. employing a swan-neck flask. B. being the first researcher to work under sterile conditions. C. demonstrating the synthesis of organic molecules. D. showing that maggots arise from eggs laid by flies.
______ causes the liver to increase its production of bile and cuases the gallbladder to contract and realease its stored bile
Fill in the blank(s) with the appropriate word(s).
Which of the following are the bones that form the bridge of the nose?
A) occipital B) nasal C) temporal D) sphenoid