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murzikaleks [220]
2 years ago
14

Suppose a scientist identified two yeast mutants, called huh1 and huh2. The mutants have constitutive expression of the nop oper

on, which includes the genes nop1 and nop2. One of the mutants is a point mutation in a DNA-binding site, and the other is a deletion of the gene which encodes the DNA-binding protein.
Which term describes the regulatory function of the DNA-binding protein?


The scientist then performs a experiment mating the two haploid yeast together to determine which mutation is in the DNA-binding protein and which is in the dna-binding site. The experimental setup is listed below, wherein a minus indicates a lose-of-function mutation, and a plus indicates the wild type allele.


How will nop1 and nop2 be expressed if huh1 encodes the dna-binding protein and huh2 is a mutation in the binding site? How will nop1 and nop2 be expressed if huh2 encodes the DNA-binding protein and huh1 is a mutation in the binding site?
Biology
1 answer:
Ratling [72]2 years ago
5 0

Answer:

Explanation:

Bruh this school stuff ain’t it just quit

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Pros and cons of canopy fogging
pishuonlain [190]

Pros:

It is (mostly) based on pyrethrine spray which kills the insects rapidly.

It not poisonous to other animals.

It uses synthetic, natural spray which is safe to use because it breaks down within 10 minutes.

Te technique can reach tall forests.

It can be used in closed spaces ( greenhouses, basements etc).

 

Cons:

It requires windless circumstances ( which is mostly at nights).

Breathing fog may cause respiratory and throat irritation to some.

 

5 0
2 years ago
With the endosymbiotic hypothesis in mind, what structure within modern-day chloroplasts is likely derived from the cytoplasm of
777dan777 [17]

Inner membrane of the chloroplasts

Explanation:

The present day eukayrotes are all considered to be derived from its original ancestor – the cyanobacteria.

Earlier, photosynthesis by the first photoautotrophs took place utilizing hydrogen sulphide as the electron donor. However, it was later when the cyanobacteria, which were originally residing in the mitochondria of an eukaryotic cell under an endosymbiotic relationship, developed into true chloroplasts, the use of water as electron donor to perform photosynthesis began.  

The cyanobacteria were aerobic in nature and required oxygen to survive. They evolved the chloroplasts covered with an external protective membrane and an internal membrane. It is the internal membrane which contains all the necessary organelles or components necessary for photosynthesis like thyllakoids, stroma etc which helped them to utilize water as an electron donor during photosynthesis like all the eukaryotes.  

4 0
2 years ago
In the product 6O2, what does the coefficient mean? There are 12 molecules of O2, There are 8 molecules of O2, There are 6 molec
mars1129 [50]
There are 6 molecules of O2.



"O2" is the formula for one molecule oxygen, which has 2 atoms.

The subscript (small) "2" tells you how many atoms are in the molecule.

The coefficient is the big number tells you the number of molecules.

In 6O2, there are 12 atoms in total (6 molecules of 2 atoms each).
7 0
2 years ago
Read 2 more answers
Black mice and tan mice are native species that are observed in a particular region. Human habitation in the region caused an in
4vir4ik [10]

Answer:

A

Explanation:

The correct answer would be that <u>the availability of food resources for black mice and brown mice will decrease.</u>

<em>Since the food requirements of the black mice are the same as that of the invasive brown mice, the available food supply that used to be only for the black mice would now be shared by the two strains of mice. Hence, the available food for the two groups of mice will naturally decrease.</em>

There is no sufficient information to conclude that the population of tan mice will decrease, hence, option B is incorrect.

The black mice and tan mice have different food requirements going by the information available in the illustration, hence, both cannot compete for food resources. Option C is, therefore, incorrect. In the same vein, option D is incorrect because the tan mice have different food requirements from the brown mice.

<u>The only correct option is A.</u>

3 0
1 year ago
If carbon dioxide is completely removed from a plant's environment, what would you expect to happen to the plant's production of
Neporo4naja [7]

Answer: Plants use Carbon Dioxide to produce sugars and energy, so you could expect the high-energy sugars to be depleted as the sugars are used to produce energy, and the sugars cannot be replaced as fast as they are being used.

4 0
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