Answer the following questions.
a. Animals that maintain their body temperature by adjusting their production of metabolic heat are ____. What animal groups does this include?
b. Animals whose internal temperature varies with that of their environment are ____. What animal groups does this include?
a. endotherms; birds and mammals
b. ectotherms; nonbird reptiles
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Which of the following are examples of biotechnology applications for site-specific recombination?
A. replacement of one gene allele for another on the chromosome B. deletion of a gene from the chromosome C. alteration of the linear structure of a chromosome D. insertion of a new gene into a defined location on the chromosome E. All of the choices given are correct.
The smooth endoplasmic reticulum has ribosomes attached to it
Indicate whether the statement is true or false
A normal tidal volume at rest is approximately ________ mL.
A) 100 B) 500 C) 5000 D) 1000 E) 10,000
A realistic short-term goal for fitness might be to improve from the very poor category in cardiorespiratory fitness to the excellent category.
a. true b. false