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TLS Online TPP Program

#Question id: 11003

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

#Unit 7. System Physiology – Animal
  1. The T-tubules of cardiac muscle can store much less calcium than T-tubules in skeletal muscle
  2. The strength and contraction of cardiac muscle depends on the amount of calcium surrounding cardiac myocytes
  3. In cardiac muscle the initiation of the action potential causes an immediate opening of slow calcium channels
  4. Cardiac muscle repolarization is caused by opening of sodium channels
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TLS Online TPP Program

#Question id: 2260

#Unit 2. Cellular Organization

The term "nuclear envelope" is more correct than the term "nuclear membrane" because
TLS Online TPP Program

#Question id: 10225

#Unit 6. System Physiology – Plant

Air circulation around the leaf removes heat from the leaf surfaces if the temperature of the leaf is higher than that of the air; this phenomenon is called
TLS Online TPP Program

#Question id: 10391

#Unit 6. System Physiology – Plant

Several of the structural domains in phytochrome, the N-terminal half of phytochrome contains;
TLS Online TPP Program

#Question id: 2996

#Unit 2. Cellular Organization

Cell death approximately equal to cell division is found in
TLS Online TPP Program

#Question id: 5732

#Unit 8. Inheritance Biology

Consider a plant, such as maize, heterozygous for a paracentric inversion. The inversion is very small and a synapsed inversion loop does not occur in any of the cells. Which of the following statement is correct?