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2 years ago

In anatomic position, the radius lies _____ to the ulna. inferior superior posterior medial lateral

Biology

1 answer:

kondor19780726 [428]2 years ago

7 0

Answer: lateral

The radius is a long bone in the forearm. In anatomic position, it lies lateral to the ulna, which is smaller than the radius. Both radius and ulna connect to the humerus bone of the upper arm at the elbow joint. The radius pivots around the ulna to create movement at the proximal and distal radio-ulnar joints. Moreover, radius articulates in elbow joint, proximal radioulnar joint, wrist joint and distal radioulnar joint.

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In response to a body temperature above the set point, two effector responses in mammals could be _______ and _______.

loris [4]

In response to a body temperature above the set point, two effector responses in mammals could be sweating and panting.

Negative feedback stimulate activities of effectors (including sweat glands) that lower the temperature.

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2 years ago

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The major advantage of using artificial chromosomes such as YACs and BACs for cloning genes is that

katovenus [111]

Question is a multiple choice question.

Answer:

Question 1. The major advantage of using artificial chromosomes such as YACs and BACs for cloning genes is that:

Answer:

(C)

Explanation:

YACs and BACs can carry much larger DNA fragments than ordinary plasmids can.

Question 2. Simply inserting an entire eukaryotic gene into a prokaryotic expression system will most likely not work for the following reason.

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2 years ago

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Answer:

a)by providing water for irrigation and restoring trees to areas where forests once existed

Explanation:

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Answer:

it is D

Explanation:

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2 years ago

Two true-breeding stocks of pea plants are crossed. One parent has red, axial flowers, and the other has white, terminal flowers

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Answer:

Explanation:

The probability of producing plants with white axial flowers would be 1/16.

From the illustration, All F1 individuals had red, axial flowers. It thus means that red and axial genes are dominant over white and terminal genes in the pea plant.

Let us assume that the allele for flower color is A (red) and a (white); and the allele for flower location is B (axial) and b (terminal).

Pure-breeding red, axial flower = AABB

Pure breeding white, terminal flower = aabb

AABB x aabb

F1 genotype = AaBb - all red and axial

At F2:

AaBb x AaBb

Progeny

9 A_B_ red/axial

3 A_bb red/terminal

3 aaB_ white/axial

1 aabb - white/terminal

Hence, the probability of producing plants with white axial flowers in the F2 generation is 1/16.

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2 years ago