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hoa [83]
3 years ago
15

Which describes an example of genetic engineering?

Chemistry
2 answers:
Marizza181 [45]3 years ago
4 0

i think its number 3

skad [1K]3 years ago
3 0

Answer: 2)Vitamin A is added to rice to combat blindness.

Explanation:

The genetic engineering is a process of manipulation of the genome of the organism by either introducing new genes in an organism's genome or by removing the defective genes. This is basically performed to introduce new traits in an organism or to remove the disease causing genes.

Vitamin A is added to rice to combat blindness is the correct option because genetic engineering will ensure the introduction of the genes which are responsible for secretion of vitamin A in the rice plant as the rice species does not naturally produce vitamin A. This will help in combating the disorder of blindness in humans.  

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Choose all the answers that apply. What do all cells do? reproduce contain hereditary information have a nucleus break down food
Travka [436]

Answer:

contain hereditary information

break down food into energy

Explanation:

Hereditary information is contained in genes and genes are found inside the cell. This implies that the cell contains hereditary information of organisms. This hereditary information is passed on during cell division from parent to daughter cells.

Metabolism occurs in the cells. The cells use oxygen to break down food materials to produce energy.

5 0
3 years ago
A student needs to prepare 100. mL of 0.612 M Cu(NO3)2 solution. What mass, in grams, of copper(II) nitrate should the student u
Temka [501]

Answer: 11.5 grams

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution

Molarity=\frac{n\times 1000}{V_s}

where,

Morality = 0.612 M

n= moles of solute  

V_s = volume of solution in ml = 100 ml

Now put all the given values in the formula of molarity, we get

0.612=\frac{n\times 1000}{100ml}

n=0.0612moles

Mass={\text {moles of solute }}{\times {\text {molar mass}}=0.0612moles\times 187.56g/mol=11.5g

Therefore, the mass of copper (II)nitrate required is 11.5 grams

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3 years ago
What affects the nervous system? and how does it affect the nervous system?
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What is the percent composition by mass of nitrogen in NH4OH?
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14/35 x100% = 40%</span>
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