During which phase of meiosis do synapsis and crossing over occur?

A. Anaphase I
B. Prophase I
C. Telophase II
D. Prophase II
E. Metaphase I


Answer: B

Anatomy & Physiology

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What is the function of the mineralocorticoids secreted by the adrenal gland?

A.  Regulate glucose levels in the blood B.  Act as secondary sex hormones C.  Stimulate metabolism of lipids D.  Regulate electrolyte concentration in body fluids E.  Stimulate metabolism of proteins

Anatomy & Physiology

The amount of oxygen liver cells require to support the conversion of lactic acid to

produce glucose or glycogen is the A) refractory quantity. B) aerobic conversion. C) oxygen debt. D) anaerobic concentration.

Anatomy & Physiology

Match the substance necessary for clotting with its particular role.A. A mixture of lipoproteins released from injured tissueB. Converts prothrombin to thrombinC. The insoluble protein that forms the network of the clotD. Needed by the liver to produce prothrombinE. Fibrin-stabilizing factorProthrombinase

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

What enzyme is needed to prevent excessive accumulation of hydrogen peroxide from peroxisome activity?

A. Catalase B. Maltase C. Peroxidase D. Oxidate

Anatomy & Physiology