If you wanted a grass plant to bend to the right, where would you want to apply auxin?

A. on the left side of the tip of the grass
B. on the left side of the grass, a few centimeters down from the tip
C. on the right side of the grass, a few centimeters down from the tip
D. on the right side of the tip of the grass


A. on the left side of the tip of the grass

Biology & Microbiology

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The region of the large intestine that when stretched stimulates the defecation reflex and allows for the passage of feces.

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HIV destroys the immune system by primarily destroying

A) cytotoxic T cells. B) B cells. C) helper T cells. D) erythrocytes.

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Which of the following is NOT under the

control of the autonomic nervous system?

a. smooth muscle b. cardiac muscle c. glands d. skeletal muscle e. all of these are under the control of the autonomic nervous system

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A couple visits a fertility clinic to determine the basis of their difficulty in conceiving a child. They are surprised to hear they will both be tested for levels of two of the same hormones, which play roles in the ovarian cycle and sperm production. Which hormones are they?

A. Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) B. Insulin and glucagon C. Oxytocin and luteinizing hormone (LH) D. Adrenocorticotropic hormone (ACTH) and corticotropin-releasing hormone (CRH)

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