Question 6 of 282

Which of the following does hemoglobin bond most strongly with?

Answer

Suggested Answer

The suggested answer is C.

Hemoglobin bonds most strongly with carbon monoxide as a result of the interaction of the orbitals of the hemoglobin and the carbon monoxide molecule. The carbon forms an ionic bond with the hemoglobin's iron, and because of the joint configuration, the iron is able to donate additional electrons to the carbon monoxide.
Question 7 of 282

Which of the following is not secreted by the hypothalamus?

Answer

Suggested Answer

The suggested answer is A.

Glucocorticoids are steroids synthesized and secreted by the adrenal cortex not the hypothalamus.
Question 8 of 282

A virulent phage is one which infects via:

Answer

Suggested Answer

The suggested answer is D.

Virulent phages use the lytic cycle to infect an organism. The lytic cycle is the process by which a phage DNA replicates itself via the host cell before causing the cell to lyse and release all of the phage's replications.
Question 9 of 282

Which is not a function of immunoglobins?

Answer

Suggested Answer

The suggested answer is C.

Antibodies or immunoglobins perform all of the functions except for directly attacking pathogens. Leukocytes, or white blood cells, are responsible for attacking pathogens.
Question 10 of 282

What results in extra or fewer chromosomes in a cell?

Answer

Suggested Answer

The suggested answer is A.

Nondisjunction is when chromosomes do NOT separate during anaphase. Consequently, the resulting cells display an unequal sharing of chromosomes, with some cells having too many, and others having too few.