Mutations that result in the death of the individual are known as ____
a. beneficial
b. lethal
c. random
d. spontaneous
e. neutral
ANSWER: b
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Explain the pressure flow theory. What will be an ideal response?
People with a large amount of which tissue are
least likely to be sensitive to cold? a. cartilage b. adipose c. blood d. dense connective e. bone
Which of the following is an example of a species with r-selected adaptations?
A. gorilla B. blue whale C. cockroaches D. house fly E. horse
Which type of proteins are involved in nutrient transport across the plasma membrane and why?
A) integral proteins, because they span the membrane and are able to carry nutrients across the membrane B) integral proteins, because they are smaller and can travel across the membrane, thereby carrying nutrients across the membrane C) peripheral proteins, because they are smaller and can travel across the membrane, thereby carrying nutrients across the membrane D) receptor proteins, because their carbohydrate chains bind to nutrients and carry them across the membrane E) peripheral proteins, because they span the membrane and are able to carry nutrients across the membrane