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faltersainse [42]
3 years ago
5

CAN SOMEONE PLSSSS SO THIS WORKSHEET FOR ME ASAP!!!! PLLLSSSSS

Biology
1 answer:
damaskus [11]3 years ago
7 0

Answer:

1. Restriction enzymes

2. DNA ligase

3. ?

4. ?

5. ?

-------------------------------------------------

1. Identify your gene of interest (the one that produces human insulin in this case).

2. Isolate it from the rest of the DNA via restriction enzymes. Also extract a plasmid from a bacterium.

3. Use the restriction enzymes on the bacterium as well.

4. Join the cut plasmid and your gene of interest via mixing them and with the help of DNA ligase.

5. Insert the recombinant plasmid into a host cell. The plasmids are taken up by the bacterium by transformation.

6. Select for cells that have been transformed by linking the gene of interest to an antibiotic resistance gene or a report gene.

-------------------------------------------------

1. Agricultural Uses, we can insert disease-resistant genes into plants for example

2. We can amplify the DNA found at a crime scene to more easily trace down suspects

3. Medical Uses; we can more easily detect diseases and test for viruses (via amplification of blood samples).

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masha68 [24]

Answer:

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- Oxidative phosphorylation relies on the hydrogen ion concentration gradient generated and maintained by the electron transport chain.  

- Hydrogen ions enter the mitochondrial matrix via facilitated diffusion.

Explanation:

Oxidative phosphorylation is a metabolic pathway by which Adenosine Triphosphate (ATP) molecules are produced through the transfer of electrons from NADH or FADH2 to molecular oxygen (O2). The hydrogen (H+) ions are pumped from the mitochondrial matrix to the intermembrane space, and this movement of protons generates an electrochemical gradient across the mitochondrial membrane which is used by the ATP synthase to produce ATP. This gradient is generated by the movement of electrons through a series of electron carriers (e.g., cytochrome c and ubiquinone) that are embedded in the inner mitochondrial membrane. The movement of these H+ ions across the semipermeable mitochondrial membrane moving down their electrochemical gradient is named chemiosmosis and is an example of facilitated diffusion.

5 0
3 years ago
Which light source is part of the control group for William’s experiment?
jeka94

Wavelength light source is part of the control group for William’s experiment

<u>Explanation:</u>

Sir William wanted to conduct an experiment to observe how much heat passed through different colour filters of the sunlight. He directed sunlight to pass through the prism and observed vibgyor and measured the temperature. He found that the temperature increased from violet to red.

Then he was inquisitive to find the temperature beyond the red ray. That’s when he found the infrared rays which had higher temperature that was not to be seen through naked eyes. He performed experiments using the light source and found that the wavelength of light are not refracted in a particular pattern.

8 0
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Different molecules can have different shapes true or false
alina1380 [7]
True, because atoms bonds together and form molecules in different sizes and shapes.
8 0
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A population of fruit flies on an island lay their eggs in some rotting fruit. Some of the fruit is blown into the ocean by a st
Licemer1 [7]
That they can no longer breed together to reproduce fertile offspring.
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The atmosphere is full of nitrogen gas (N2). But plants cannot use nitrogen in this form. Summarize the roles of bacteria in mak
snow_tiger [21]

Answer:

Prokaryotes play several roles in the nitrogen cycle. Nitrogen-fixing bacteria in the soil and within the root nodules of some plants convert nitrogen gas in the atmosphere to ammonia. Nitrifying bacteria convert ammonia to nitrites or nitrates.... Denitrifying bacteria converts nitrates back to nitrogen gas.

8 0
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