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wolverine [178]
3 years ago
6

Explain what CRISPR is

Biology
2 answers:
Sonbull [250]3 years ago
8 0
CRISPR is a family of DNA sequences found in the genomes of prokaryotic organisms such as bacteria and archaea.
rjkz [21]3 years ago
5 0

Answer:

CRISPR is  an acronym for clustered regularly interspaced short palindromic repeats. It is a group of DNA strands found in the genomes of prokaryotic cells.

Explanation:

Have a good day :)

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does the changing seasons remove co2 from the air ? i think it might due to increased plant grwoth but im unsure.
MA_775_DIABLO [31]
I don't think changing seasons can REMOVE CO2 from the air, but I do think instead it could add it to the air. It's a long process that involves several ecosystems and stuff. But, as the climate is getting warmer, ice caps are melting and within these ice caps... there are trapped bubbles of CO2 that are released ( I am not sure if this adds a lot of CO2 to the atmosphere, but I am sure that it does contribute to CO2 concentration). 

In relation to your last statement... plant growth would actually reduce CO2 in the air because of the process of photosynthesis. Plants take in CO2 and give out O2 for us to breathe. In turn we conduct cellular respiration in which we take in the O2 and give out the CO2. So, plants are actually one good solution for decreasing CO2 levels. 
5 0
3 years ago
When a blood film is viewed through the microscope, the RBCs appear redder than normal, the neutrophils are barely visible, and
rusak2 [61]

The buffer was too acidic i.e when a blood film is viewed through the microscope, the RBCs appear redder than normal, the neutrophils are barely visible, and the eosinophils are bright orange.

<h3>What are buffer used for?</h3>

Buffers are employed to keep the pH of a solution steady because they can neutralize little amounts of extra acid or base. There is a specific pH range for a certain buffer solution and a predetermined amount of acid or base that can be neutralized before the pH changes. The buffer capacity is the maximum amount of acid or base that can be supplied to a buffer without causing a pH change.

As a pH value greater than 7.8 or lower than 6.8 might result in mortality, human blood contains a buffer of carbonic acid (H2CO3) and bicarbonate anion (HCO3-) to keep blood pH between 7.35 and 7.45.

Learn more about buffer here:

brainly.com/question/1385846

#SPJ4

5 0
2 years ago
Black bears live is many different habitats. What is one abiotic feature of the black bears habitat, no matter where it lives?
Tom [10]

Answer:

I think it's C: Water

Sorry if I'm wrong:(

Explanation:

I think it's water because it says abiotic feature and abiotic means non-living, although the water has living animals and bacteria in it, the water itself isn't living.

7 0
3 years ago
Read 2 more answers
Second-growth forests ________.a) are those forests in the National Parks that are protected from logging b) are forests that es
AnnyKZ [126]

Answer:

Second-growth forests are forests that establish themselves after virgin timber has been removed from an area

Answer b) is the ANSWER

Explanation:

It's also known as secondary forest.

It occurs after a long time in a forest or woodland area where the disturbance factors have been removed over a long period of time. thereby, causing the regrowth of trees

6 0
3 years ago
Distinguish between anaerobic pathways in eukaryotes (e.g. yeasts) and anaerobic respiration in anaerobic microbes
Ainat [17]

Answer:

Anaerobic respiration refers to the break down of food (sugar) in absence of oxygen in order to produce energy (ATP or adenosine triphosphate).

In yeast, alcoholic fermentation takes place by which glucose is converted into ethanol (alcohol), carbon dioxide (CO₂), and energy (ATP). It helps in regeneration of NAD⁺ lost during glycolysis. No electron transport chain is required in this process.

The overall reaction can be written as:

Glucose → Pyruvate → Ethanol + Carbon dioxide + ATP.

Contrary, in anaerobic bacteria respiration takes place by using electron acceptor other than oxygen such as sulfate, nitrate, sulfur, fumarate etc. Hence, electrons are passed through a electron transport chain which are finally accepted by any molecule other than oxygen.

Other molecules have less oxidizing potential as compared to the oxygen and thus less energy is released per oxidizing molecule. It makes the anaerobic respiration less efficient as compared to the aerobic respiration.

Examples of anaerobic microbes are methanogens (<em>Methanosarcina barkeri </em>uses CO₂ as final electron acceptor),  Desulfuromonadales (uses sulfur as final electron acceptor) etc.

4 0
3 years ago
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