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katrin2010 [14]
2 years ago
7

Total nucleic acids are extracted from a culture of yeast cells and are then mixed with resin beads to which the polynucleotide

5'-TTTTTTTTTTTTTTTTTTTTTTTTT-3'
has been covalently attached. After a short incubation, the beads are then extracted from the mixture. When you analyse the cellular nucleic acids that have stuck to the beads, what will be most abundant?
mRNA because it is the only type of RNA that is polyadenylated and the poly (A) tail would be able to base pair with the strands of poly(T) on the beads and thus stick to them. DNA would not be found in the sample, as the poly (A) tail is not encoded int he DNA and long runs of T are rare in DNA.
Biology
1 answer:
mr Goodwill [35]2 years ago
5 0

The question is incomplete as it does not have the options which are:

(a)DNA (b)tRNA (c)rRNA (d)mRNA

Answer:

Option-mRNA

Explanation:

The mRNA is synthesized from the DNA and which is also a type of nucleic acid. When the nucleic acid is extracted from the yeasts and then mixed with the resin beads to which the polynucleotide with thymine base oar is attached.

The mRNA will bind to the resin bead as the mRNA after synthesis undergoes modification and attaches poly A tail to the end of the mRNA at 3' end.

This poly-A tail has adenine which easily binds to the thymine and thus mRNA easily attaches to the resin bead.

Thus, mRNA is correct.

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Chemical Formulas
vampirchik [111]

Answer:

1.2 stands for 2 atoms of hydrogen and 1 atom of oxygen

2.carbon and oxygen

3.

4.

5.

6.

4 0
3 years ago
I WILL GIVE BRAINLIEST!!!
Galina-37 [17]

The image provided is not clear, however, the correct and clear image is attached with the answer:

Answer:

The correct answer is - 100 %

Explanation:

As we know DMD or Duchenne Muscular Dystrophy is a sex-linked recessive disorder and according to the given pedigree, it is clear that Individual I-1 is a normal male and 1-2 is a female who has two defective genes of the disorder as if she had only one defective gene she would have a carrier for the disorder.

All gametes produced by both male and female would be -

Male - X and Y

Female - Xd and Xd

Therefore all the male offsprings or son will get one defective gene Xh from the mother for sure and a Y chromosome from the father. All daughters will also carry one gene Xh that is defective from the mother and normal X from the father but would be carriers for the disorder.

8 0
3 years ago
Which position of the pendulum would have the least amount of potential energy.
kkurt [141]

Answer:

a) 1 & 5

Explanation:

For a pendulum bob, it is customary to call the lowest position the reference position or the zero level. So when the bob is at the equilibrium position

5 0
2 years ago
Male northern elephant seals (Mirounga angustirostris) compete with one another for territories along the beach and defend these
lorasvet [3.4K]

Options:

A. when the female is swimming to the beach

B. when the female lands on the beach and chooses her resting location

C. when the male defends his group of females against a different male

D. when the male mates with a female within his group

E. when the female leaves the beach after mating with a male

Answer:B. when the female lands on the beach and chooses her resting location.

Explanation: Elephant Seals are large and earless seals, they are of the Mirounga genus,these seals are classified into the Southern and Northern species.

Intersexual selection is a type of sexual selection that occurs between opposite sexes for example it is a type of sexual selection which takes place between a Male and female species.

when the female lands on the beach and chooses her resting location is the best and most appropriate time for intersexual selection to occur in the Elephant Seals.

3 0
3 years ago
T.W. Engelmann did an experiment where he separated the wavelengths (colors) of light using a prism, and illuminated a chain of
Law Incorporation [45]

Answer:

The bacteria will be evenly distributed on the chain of algae

Explanation:

<em>If the component of white light is not separated by a prism, all the components will be evenly distributed in space and as such, equal amount of each component will go to the chain of algae.</em>

<em>The equal amount of each light component that goes to the chain of algae will ensure that there is equal rate of photosynthesis, and hence, oxygen production in each algae. Consequently, the oxygen-requiring bacteria will spread out evenly on the chain of algae without concentrating particularly on any algae.</em>

6 0
3 years ago
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