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NemiM [27]
3 years ago
8

Which of the following is a correct statement on the state of an enzyme at the conclusion of a chemical reaction ?

Biology
1 answer:
fenix001 [56]3 years ago
8 0

Answer:

d

Explanation:

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If both parents are carriers of the defective CF gene, what is the chance that their child will have cystic fibrosis?
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A 25% chance of the child having cystic fibrosis.
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3 years ago
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The oxygen by-product of photosynthesis is created by the splitting of ______ molecules to replace the electrons ejected from th
jeyben [28]

The oxygen by-product of photosynthesis is created by the splitting of <u>water</u> molecules to replace the electrons ejected from the reaction center of photosynthesis ii.

Photosynthesis is a process whereby organisms containing plastids like green plants and other microorganisms make glucose using carbon dioxide, water and energy from sunlight.

A significant by-product of this process is oxygen, used by animals for respiration. Photosynthesis is of two stages; the light stage, also called photosynthesis i and the dark stage, also called photosynthesis ii.

During the light stage, the energy from sunlight is used to split water molecule into electrons, hydrogen protons and oxygen. The electrons are transported by carriers and used up in the reaction center of photosynthesis ii, while the oxygen is given of as a by-product.

To learn more about photosynthesis, check out;

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8 0
1 year ago
4C302<br> How many molecules are there for the formula above?<br> 12<br> 2<br> 4<br> 3
padilas [110]

Answer:

they're 2

Explanation:

7 0
3 years ago
Will mark brainliest!
saw5 [17]

Answer: The combination produced is RRtt.

The combination rrTt does not appear in this punnett square.

Explanation:

As the problem does not indicate more information, I assume that punnett square is made between two RRtt genotypes. It can produce gametes that have the alleles Rt. A gamete is a sexual cell (egg or sperm) that has only one allele of each gene. And, each gamete codes for a different gene. Since here we have two different types of alleles (R and t), it is a dihybrid cross.

<u>A Punnett square is a diagram used to predict the genotypes of a cross or breeding experiment.</u> It is used to determine the genotypes and phenotypes of the offspring. To do it, you have to label the rows with one parent's gametes and label the columns with the other parent's genotype. Then, have each box inherit letters from its row and column, and interpret the results.

Then, the punnett square (shown in the picture) will be between RRtt and RRtt whose gametes can only be Rt, so Rt x Rt will be made.

The result in an offspring which will be 100% RRtt, and there is no rrTt combination here because non of the parents have an r allele, then none of the children can inherit it.

To have an offspring where rrTt genotype is shown, a different genotype must be used, in which both parents must have at least one r allele and one t allele. For example, it could be Rrtt x rrTt.

5 0
3 years ago
This refers to information gathered by observation or experimentation​
liberstina [14]

Explanation:

info gathered b4 and after an experiment is used to confirm or disprove a hypothesis ( educated guess).

3 0
2 years ago
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