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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 Mechanical energy when
Scilla [17]

Answer:

ME = 20 * m, where m is the mass of the pendulum

Explanation:

As we know that mechanical energy is the sum of kinetic energy and potential energy.

Since the Pendulum at its highest point has zero velocity, its kinetic energy at this point is equal to zero.

Thus, here in this mechanical energy will be equal to the potential energy only.

Potential energy is equal to the product of gravity constant, mass of the body and the height of the pendulum

Thus,

ME = PE\\

PE = m * g* h\\PE = 10 * 2* m\\

PE= 20m

Hence,

ME = 20 * m

5 0
3 years ago
Which of the following traits was most important in enabling the first plants to move onto land?
laiz [17]
The existence of being able to process photosynthesis. 

Photosynthesis is a functional and adaptive mechanism which enables plants to make and create their own food with the use of sunlight. Also, water and carbon dioxide, oxygen is then the by product of this process which is beneficial to other organisms especially heterotrophs. 
7 0
3 years ago
What is the only common infection of the reproductive tract caused by a protozoan?
Gala2k [10]

Answer:

Trichomoniasis

Explanation:

Trichomoniasis is an sexually transmitted disease that affects around 30% of world population. The common symptoms are frequent urge to urinate, vaginal bleeding, burning sensation during urination.

The causative agent of trichomoniasis is a protozoa called <em>Trichomonas vaginalis</em>. This protozoan can be transfer through the genital contact. The protozoa can easily be transfer from affected individual to the healthy individual.

Thus, the correct answer is option (3).

6 0
3 years ago
Which of the following statements is false?
Rufina [12.5K]

Answer:

D

Explanation:

Carbon is expelled not used for producing sugars or any of that

3 0
2 years ago
As an action potential occurs, the neuron's electrical charge changes from _____ to _____.
Svetach [21]
The answer is b. Positive; negative 
6 0
3 years ago
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