Jazzmine wants to test the effects of growth hormone on cow size. She injects each cow with different amounts of growth hormone as calves and then weighs them as mature adults. Which of the following is the dependent variable?

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	Amount of growth hormone
B	Weight of cows
C	Age of cows
D	The size of the pituitary gland

Explanation:

Detailed explanation-1: -Bovine somatotropin (bST), also known as bovine growth hormone, is an animal drug approved by FDA to increase milk production in dairy cows.

Detailed explanation-2: -The important role of hormones Hormones such as androgens and estrogens are exogenous (coming from outside the system). They are given to growing cattle to promote growth and they cooperate with the endogenous hormones. Growth promoting hormones improve feed efficiency, protein deposition and growth rate of cattle.

Detailed explanation-3: -Growth hormone (GH) secreted from the anterior pituitary is recoginized as one of the most important hormones for body growth in cattle (Etherton & Bauman 1998).

Detailed explanation-4: -Recombinant derived bovine growth hormone (bSTH) has a dramatic effect on increasing milk production and mammary growth in dairy cattle.

There is 1 question to complete.

GENERAL HISTOLOGY

CONNECTIVE TISSUE GLAND

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