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Alex17521 [72]
3 years ago
5

Both the nail plate and the hair is composed of keratin. a. True b. False

Biology
1 answer:
adell [148]3 years ago
7 0
Yes it is true, both the hair and nail plate are composed of keratin
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PLEASE HELP! 5th GRADE SCIENCE! When making lemonade, Emma adds sugar and lemon slices to water. The sugar seems to disappear an
Harlamova29_29 [7]

Answer:

B. The sugar dissolves in the water and the lemon slices do not.

Explanation:

The lemons floated to the top of the glass and the sugar dissolved. Only the sugar is soluble

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3 years ago
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Comets and meteoroids are small solar system bodies that orbit the Sun. There is one distinctive feature of a comet that sets it
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If round pea shape is dominant to wrinkled pea shape, which of the following genotypes
Kobotan [32]

Answer:

C. rr

Explanation:

The dominant genotype will always be denoted by the capital version, or in this case R.

The round pea shape is dominant to the wrinkled pea shape, which means that, in the Punnett Square, the combinations of RR, Rr, rR, will all come out to be round pea shape.

The last box, rr, would be the one that gives the wrinkled phenotype.

In this case, by ratio, wrinkled phenotype show up 25%

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7 0
3 years ago
What are cells that produce new cartilage matrix called?.
Nastasia [14]

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The stem cells differentiate into chondroblasts. 3. These chondroblasts, located at the periphery of the old cartilage, begin to produce and secrete new cartilage matrix. As a result, they push apart and become chondrocytes, each occupying its own lacuna.

Explanation:

4 0
2 years ago
What is the difference between a vascular and a nonvascular plant? In your answer, discuss how water moves in each type of plant
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Vascular plants have a vascular system while nonvascular plants have NO vascular system.

Explanation:

The vascular system is made of phloem – that transports food- and xylem- that transports water and minerals- in the higher plants. Examples of these higher plants are like trees and shrubs. These plants can take up water and nutrients from the soil and transport them up the plants to the leaves.

Lower plants have no vascular system (avascular). They mainly absorb food and water readily from their environment even through their leaves. This is why these plants are mainly found in humid areas like waterways, like canals. Examples of such lower plats are ferns and mosses.

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3 years ago
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