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UkoKoshka [18]
3 years ago
13

How does gene therapy affect a cell? A. Cells with functioning genes are replaced with mutated genes. B. Cells with defective ge

nes are replaced with cells of normal genes. C. Cells with normal genes are replaced with cells of defective genes. D. Cells with abnormal genes are replaced with cells of destructive genes.
Biology
2 answers:
galben [10]3 years ago
8 0

B. Cells with defective genes are replaced with cells of normal Gene's. Just took the test and used the previous persons answer and got it wrong.

Naddika [18.5K]3 years ago
7 0
Gene therapy affects a cell by A) Cells with functioning genes are replaced with mutated genes.
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What is the average atomic mass an average of?
slamgirl [31]

Answer:

The average atomic mass (sometimes called atomic weight) of an element is the weighted average mass of the atoms in a naturally occurring sample of the element.

Explanation:

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4 0
2 years ago
The part of the plant where you would find the most cellulose is ? ( dont say cell walls , im looking where at
pochemuha

Answer:

d-stem

Explanation:

Cellulose is most abundant in meristems tissues which are present in the tips of the root and stem and in the cambium between the xylem and the phloem and under the epidermis of the trees and shrubs, therefore it is abundant in the stems.

Meristems are also found in other parts of the plant  but it is mostly abundant in the stems.

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3 years ago
Place the steps of endochondral ossification in order, starting with the creation of a cartilage model and ending with the prese
Ratling [72]

The correct  steps of endochondral ossification is:

  1. A periosteal bone collar develops.
  2. spongy bone and the medullary cavity form in the diaphysis.
  3. The diaphysis center is vascularized and osteoblasts deposit osteoid over calcified cartilage matrix.
  4. The epiphyseal center is vascularized and osteoblasts deposit osteoid over the calcified cartilage matrix.
  5. The spongy bone forms in epiphysis.

<h3>Which bones grow by endochondral ossification?</h3>

Long and short bones, such as the phalanges and femur, arise from a cartilage model formed by endochondral ossification. Distinguishing between these two types of osteogenesis does not imply the existence of multiple types of bone tissue.

Endochondral ossification mainly forms in two stages: modifications of the hyaline cartilage that ends with the death of chondrocytes and invasion of osteogenic cells and their differentiation into osteoblasts in the cavities previously occupied by chondrocytes for deposition.

See more about Endochondral ossification at brainly.com/question/9211436

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4 0
2 years ago
What is one difference between ion channels and ion pumps​
lina2011 [118]

Answer:

Ion pumps can be distinguished from ion channels on the basis that ion pumps actively transport ions against a concentration gradient, while ion channels allow ions to passively flow down a concentration gradient.

Explanation:

3 0
2 years ago
How can dna sequencing be used to identify other classes of pathogens, such as viruses?
professor190 [17]

DNA sequencing technique runs through database so it can compares all the sequenced information and finds similarities.

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3 years ago
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