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3 years ago

The mismatch of DNA base pair during duplication can result in mutation true or false

Biology

2 answers:

Karolina [17]3 years ago

6 0

The correct answer is true

UkoKoshka [18]3 years ago

4 0

The answer is true. Mutation is the result of the mismatch of a base pair during the duplication. Mutations are neither the results from errors during the replication of DNA or other types of damage to DNA. In simpler words, DNA errs to copy accurately.

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Which two substances are produced during photosynthesis?

zhannawk [14.2K]

Answer:

Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water. This glucose can be converted into pyruvate which releases adenosine triphosphate (ATP) by cellular respiration. Oxygen is also formed

Explanation:

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6 0

3 years ago

The science of improving hereditary qualities is known as

inn [45]

The correct answer is letter C. Eugenics is the science of improving hereditary qualities. It came from the Greek word, eugenes, which means "well-born race, stock, kin." This is a practice of beliefs that aimed at improving the quality of genes of a particular human population. Much like the way that Spartans bred their offsprings where they made sure that only the best quality genes are present in their population.

5 0

3 years ago

Suppose you perform a serial dilution of Amylase from a stock solution with a concentration of 500ug/mL. In five tests tubes you

saveliy_v [14]

Answer:

The final concentration in test-tube 3 is = 4ug/mL

Explanation:

Dilution factor = V initial / V final

Concentration of Stock solution = 500 ug/mL

5 test tubes are prepared with 4 mL of water

1 ml of stock solution is added to the 1st test tube.

therefore, the total volume of 1st test tube is = 4 ml + 1 ml = 5ml

∴ the concentration of 1st Test tube →

C = m/V [m= mass (solute) , v= volume]

=500 ug / 5 ml = 100 ug/ml

From 1st test tube, 1 ml is taken out and that is added to the 2nd test tube.

∴ the concentration of 2nd Test tube = 100 ug / 5ml

= 20 ug/ml

From 2nd test tube, 1 ml is taken out and that is added to the 3rdd test tube.

∴ the concentration of 3rd Test tube = 20 ug / 5ml

= 4 ug/ml

The final concentration in test-tube 3 is = 4ug/mL

5 0

3 years ago

According to the principle of faunal succession, what must be true of the fossils on a layer below

Nataly_w [17]

Explanation:

Absolute dating is required to determine the relative age of animals based on their fossils. Specific groups of organisms have followed one another in a definite sequence through the Earth's history.

8 0

3 years ago

Export of RNAs from nucleus occurs primarly by

TiliK225 [7]

Answer:

The correct answer is C) selective transport through nuclear pore complexes

Explanation:

Nucleus is the place where the replication and the transcription of DNA occurs. The process of translation in eukaryotes occurs in cytoplasm therefore RNA has to come out of the nucleus.

Nuclear pore complexes are the openings in the nuclear membrane from where these molecules come out in the cytoplasm. Small RNA like tRNA directly comes out through binding directly to export receptors but large RNA like mRNA forms ribonucleoprotein particles which involves class-specific adaptor proteins for transport. So the right answer is C.

3 0

3 years ago