Practice Questions

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#Question id: 11003

Which of the following statements about cardiac muscle is most accurate?

#7. System Physiology – Animal

The T-tubules of cardiac muscle can store much less calcium than T-tubules in skeletal muscle
The strength and contraction of cardiac muscle depends on the amount of calcium surrounding cardiac myocytes
In cardiac muscle the initiation of the action potential causes an immediate opening of slow calcium channels
Cardiac muscle repolarization is caused by opening of sodium channels

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TLS Online TPP Program

#Question id: 5090

#5. Developmental Biology

Which of the following is a correct description of the fate of the germ layers?

TLS Online TPP Program

#Question id: 5091

#5. Developmental Biology

In all vertebrate animals, development requires ________.

TLS Online TPP Program

#Question id: 5092

#5. Developmental Biology

The least amount of yolk would be found in the egg of a ________.

TLS Online TPP Program

#Question id: 5108

#5. Developmental Biology

The absence of limbs in snakes may be attributable to the evolution of changes in:

TLS Online TPP Program

#Question id: 5200

#11. Evolution and Behavior

What is the difference between a linkage map and a physical map?

TLS Online TPP Program

#Question id: 5201

#11. Evolution and Behavior

How is a physical map of the genome of an organism achieved?