Which tissue helps endotherms maintain body temperature in cool weather?
A) Cartilage
B) Adipose
C) Simple epithelium
D) Bone
E) Dense connective
B
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If you were to compare the resting potential of a neuron to a battery, which way is the battery oriented?
A typical AA battery has a potential of 1.5V. One can think of the potential in a neuron as having similarities to that of a battery. A. positive terminal outside of the cell, and negative terminal inside B. positive terminal inside of the cell, and negative terminal outside C. positive terminal pointing toward the axon, negative terminal toward the dendrite D. positive terminal pointing toward the dendrite, negative terminal toward the axon E. both terminals inside the cell soma
Cardiac muscle cells are
A. striated B. both involuntary and striated C. involuntary D. voluntary
How is a mutation distinguished from the broader concept of "DNA damage"?
a. DNA damage occurs from chemicals, and mutations are biological mistakes. b. Mutations are always heritable. c. Mutations are always lethal; DNA damage is lethal only sometimes. d. All of the above are true.
To study the promoter of a gene, a researcher should use a cDNA library.
Answer the following statement true (T) or false (F)