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zheka24 [161]
2 years ago
12

What is one way RNA differs from DNA?

Biology
1 answer:
____ [38]2 years ago
8 0

Answer:

Explanation:

RNA is single-stranded, not double-stranded: Unlike Dna polymerases, RNA polymerases are able to join RNA nucleotides together without requiring preexisting strand of RNA.

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The light reactions harvest _______, while the carbon reactions produce _______. select one:
Vikki [24]
<h2>Answer:</h2>

The correct answer is option C which is The light reactions harvest ___ <u>energy____</u>, while the carbon reactions produce<u> __carbohydrates_____.</u>

<h3>Explanation:</h3>
  • The light dependent reaction is the first part of photosynthesis.
  • In the light energy energy is captured and used to break a water molecule into hydrogen ans oxygen ions with free electrons.
  • These electrons move into a electron transport chain lean to dark reaction.
  • Energy from these electrons is used in the dark reaction to produce carbohydrates from the CO2 and H2O and energy from the light reaction.
3 0
3 years ago
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Identify the start and stop codons in the mrna sequence 5'-uauccauggcacuuuaaac-3'. what is the resulting amino acid sequence
Colt1911 [192]

Answer;

-Start codon: AUG;

-Stop codon: UAA;

-Amino acid sequence: Met-Ala-Leu-stop

Explanation;

-A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid.

-The start codon marks the site at which translation into protein sequence begins, and the stop codon marks the site at which translation ends. The start codon is often preceded by a 5' untranslated region (5' UTR). AUG is the most common start codon. There are three RNA stop codons: UAG, UAA, and UGA.

3 0
3 years ago
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As a country progresses from the preindustrial stage to the postindustrial stage, what will happen to the birth rate and death r
AnnZ [28]

Answer:Both birth rate and death rate will decrease.

Explanation:

Demographic transition: The process whereby a country moves from high birth and death rates to relatively low birth and death rates.

The decline in death rate is due to better economic and social conditions of the country which leads to control of pre-existing diseases, better medical facilities,more food production,increased jobs,better sanitation and hence better quality of life.

Decline in birth rate is due to improved quality of life and also could be due to availability of family planning services in highly developed countries.Moreover access to education especially in female population has created awareness regarding birth control.

4 0
3 years ago
A molecule is a unit of energy<br><br><br> True or False
Bond [772]

Answer:

true

Explanation:

Molecules are both vehicles for storing and transporting energy, and the means of converting it from one form to another when the formation, breaking, or rearrangement of the chemical bonds within them is accompanied by the uptake or release of heat.

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3 years ago
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Due to the risk of reye's syndrome, children with fever should not be given medications containing which substance? g
notsponge [240]
They shouldn't take aspirin or aspirin containing substances
8 0
3 years ago
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