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3 years ago

What would happen if a cell transcribed and translated a gene’s intron by mistake?

Biology

1 answer:

wariber [46]3 years ago

6 0

An intron is a non-coding region of DNA. During alternative splicing, introns are removed.

During eukaryotic transcription, a fragment of DNA (e.g., a gene) is used as a template to synthesize a complementary RNA sequence, usually a precursor mRNA (pre-mRNA).

Subsequently, this pre-mRNA is processed by a mechanism called alternative splicing in order to produce a mature mRNA which is then used as template to synthesize a protein by a process called translation.

During alternative splicing, non-coding regions of a gene called 'introns' are removed, where coding regions called 'exons' are spliced back together.

If a cell transcribed and translated a gene’s intron by mistake, then additional amino acids would be inserted into the protein and therefore the resulting protein will be longer than normal.

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Write types of cellular respiration and their function?

melomori [17]

Answer:

There are 2 types of cellular respiration i)Aerobic respiration

ii)Anaerobic respiration

Explanation:

i)Aerobic respiration: is the chemical reactions in the cells that use oxygen to break down food molecules to release energy. Its complete oxidation process that releases more energy (2830 $ J). The word equation of aerobic respiration is:-

glucose + oxygen------> carbon dioxide + water + energy.

ii) Anaerobic respiration: is the chemical reactions in cells that break down food to release energy without using oxygen. Its partial (incomplete) oxidation process that release a few energy (188 $ J) The word equation of anaerobic respiration in human muscles:-

glucose-----> lactic acid

The word equation of anaerobic respiration in yeast:-

glucose yeast alcohol + carbon dioxide

------->

7 0

3 years ago

niridia is a type of blindness due to a single dominant gene. Migraine headache is the result of a different dominant gene. A ma

fgiga [73]

Answer: 25% of the children will have both anirida and migraine headache

Explanation: The man has a dominant gene for anirida and normal headache with a mom with no blindness. Therefore, the man gene is (Nn) for heterozygous anirida and (mm) for normal headaches and his wife has heterozygous gene for migraine (Mm) 'cause her dad has normal headache and homozygous gene for normal vision(nn) .

Therefore

Nnmm × Mmnn= NnMm Nnmm Nnmm nnmm.

The crossing would give birth to Offspring with nirida and migraine (NnMm) =1/4 ×100= 25%

5 0

3 years ago

In general, what effect did removing prey have on predators? Explain your reasoning, State the effect removing prey had on preda

AlexFokin [52]

Answer:

Removing prey from the ecosystem caused the predator population to decrease. This is because if there is no pray then the predators will have no food. The predators may even have to eat each other to survive, thus further decreasing their population.

Explanation:

6 0

3 years ago

Read 2 more answers

Retroviruses __________. View Available Hint(s)for Part A include the viruses that cause warts contain reverse transcriptase enz

Sav [38]

The Retroviruses contain reverse transcriptase enzymes that make a dsDNA molecule from their ssRNA genome.

<h3>What is a Retroviruses?</h3>

A Retroviruses is a type of virus that has RNA instead of DNA molecule.

It contains reverse transcriptase enzymes that make a dsDNA molecule from their ssRNA genome.

These viruses are capable of causing the following diseases :

Acquired immuno deficiency disease (AIDs), and

Leukemia.

They are usually transmitted during close contacts.

Therefore, the Retroviruses contain reverse transcriptase enzymes that make a dsDNA molecule from their ssRNA genome.

Learn more about Retroviruses here:

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7 0

2 years ago

What was the possible function of the horns of the dinocephalian, and was this animal a herbivore or carnivore? question 4 optio

kherson [118]

Well, there is no options to pick from so im going with my gut there are 2 uses for the horns:

#1. They were used for defense
#2. they were used to kill prey

------------------------------------------hope this helps---------------------------------------

8 0

4 years ago