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3 years ago

"The best explanation for these modified rice plants being flood resistant is that

Biology

1 answer:

lorasvet [3.4K]3 years ago

5 0

I think the correct answer from the choices listed above is option 1. The best explanation for these modified rice plants being flood resistant is that the gene for flood resistance was inserted into plant cells, which grew into plants whose cells are expressing this gene. Hope this answers the question. Have a nice day.

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In a species of fish, fin shape is controlled by a single gene that has only two alleles. In a generation of 185 fish, the frequ

scZoUnD [109]

The correct answer is: The recessive allele produces a phenotype that is better able to survive and reproduce than the dominant phenotype.

Natural selection (adaptation mechanism), gene flow, and mutation combine to change allele frequencies across generations. Natural selection tends to increase in frequency beneficial alleles, while it tends to decrease in frequency deleterious alleles.

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3 years ago

Eighty percent of nephrons in the human kidney are located in the ________ and have short nephron loops.

lesantik [10]

answer:

renal cortex.

explanation:

eighty - five percent of nephrons are cortical nephrons,

deep in the renal cortex; the remaining 15 percent are

juxtamedullary nephrons, which lie in the renal cortex

close to the renal medulla.

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2 years ago

Name all of the kingdoms of living things, indicate how they relate to each other.

weeeeeb [17]

Answer: The five kingdoms are: animal, plant, fungi, protist and monera. The system of biological kingdoms is the way in which science classifies living things according to their ancestry over the course of evolution. they also have common ancestors and therefore share some of their genes and belong to the same family tree.

Hope this helps!

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3 years ago

What else is produced during the combustion of propane, C3H8?

SpyIntel [72]

The answer to your question is H2O

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3 years ago

explain why a continuous increase in carbon dioxide levels will not cause the rate of photosynthesis to increase continuously?

Zepler [3.9K]

Answer:

An increase in the amount of CO2 well increase the rate of photosynthesis, Carbon dioxide concentration will directly affect the rate of photosynthesis as it is used in the photosynthesis reaction.Increased amount of CO2 will increase the rate of photosynthesis to a certain limit, after which a further increase in its amount will no longer increase the rate any further. This is when the other factors necessary for photosynthesis, such as light, become "limiting reactants"; that is, those other factors also need to increase to bring about a further increase in the rate.

six molecules of water plus six molecules of carbon dioxide produce one molecule of sugar plus six molecules of oxygen

An increase in the amount of water leads to the increase in the amount of photosynthesis

The amount of water available to the plant will affect the rate of photosynthesis. If the plant does not have enough water, the plant's stomata will shut and the plant will be deprived of CO², and thus lower photosynthesis rate.

An increase in the amount of light well increase the amount of photosynthesis, if the light intensity increases the rate of the reaction will increase at a proportional rate until a certain level is reached, the rate of increases will then go down.

Other factors affecting the rate of photosynthesis :

1. Temperature

2. The availability of nutrients

Explanation:

5 0

3 years ago