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Vikentia [17]
3 years ago
6

what are the three structural changes that must occur in young, unmodified plant cells as they specialize into xylem tissue

Biology
1 answer:
Anastaziya [24]3 years ago
8 0
Tomato plants,cell wall, and something else
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PLS HURRY I'LL MARK YOU THE BRAINLEST mark all that apply the action and reaction forces refereed to in newtons third law
Vladimir79 [104]

Answer:

the last one i think?

6 0
3 years ago
Consider the classifications of bone, and examples of each. which classification applies to bones used primarily for movement ra
-BARSIC- [3]

Long bones are used primarily for movement rather than protection. A few examples of long bones are the humerus, tibia, and phalangeal bones.

The four principal types of bones are long, short, flat and irregular. Bones that are longer than they are wide are called long bones. They consist of a long shaft with two bulky ends or extremities. Osteoblasts are cells responsible for the secretion and deposition of bone morphogenetic proteins (BMPs) into the extracellular matrix during bone formation.

Appositional growth is the increase in the diameter of bones by the addition of bone tissue at the surface of bones. Bone remodeling involves the processes of bone deposition by osteoblasts and bone resorption by osteoclasts.

To learn more about Long bones , here

brainly.com/question/13544987

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5 0
2 years ago
Assume that the mutation rate for a given gene is 1 × 10−6 mutations per generation. For that gene, how many mutations would be
sertanlavr [38]

Answer:

500

Explanation:

Mutation rate is largely known as changes that occur in the frequency of a particular gene over an extended period of time

So given that;

the  mutation rate of a particular gene = 1 × 10⁻⁶

The expected mutations after 500 million sperm are examined will be:

= (1 × 10⁻⁶)×(500,000,000)

= 500

Thus, The expected mutations  = 500

5 0
3 years ago
One species of a small birdlike animal has an extremely variable tail length, which is a highly polymorphic trait. Geneticists h
Troyanec [42]

Answer:

D. 12cm

Explanation:

there are 8 A1, C1 and so on alleles there, this will be 8 cm and there are about 8 a2 and so on alleles,  this will be 4cm.

8 + 4 = 12cm

6 0
3 years ago
A function of another type of white blood cell is to
Lyrx [107]
The main function of white blood cells is to help protect the human body from infection as well as other foreign materials. White blood cells are also known as leukocytes, and they develop in bone marrow from stem cells. There are five different types of white blood cells<span>, including neutrophils, lymphocytes, monocytes, eosinophils and basophils.</span>
4 0
3 years ago
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