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steposvetlana [31]
3 years ago
8

What must eukaryotes do to initiate transcription of a gene?

Biology
1 answer:
Mars2501 [29]3 years ago
3 0

Answer:

c)Recruit the transcription factors and RNA Polymerase that compose the pre-initiation complex.

Explanation:

Transcription leads to formation of RNA from DNA. The process is carried out by RNA Polymerase which forms a RNA strand according to the template DNA strand.

It starts by the formation of pre-initiation complex. RNA Polymerase along with transcription factors binds to the promoter region of DNA and forms the pre-initiation complex. Generally the eukaryotic promoters have a sequence called as TATA box where the transcription factors bind first. Eventually RNA polymerase also binds to the region and the DNA strands separate starting the transcription process.

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(multiple choice) biology, thanks!
tensa zangetsu [6.8K]

Answer:

Stablising

Explanation:

Bcoz they acquiring mean character

4 0
3 years ago
Read 2 more answers
Phage lambda infects E. coli in a nutrient-starved, malnourished host. Why would that phage most likely take the lysogenic, rath
Julli [10]

Answer:

Stress

Explanation:

Environmental stressing agent such as starvation or exposure to toxic chemicals may cause the Phage Lambda to excise and enter the lytic cycle.

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3 years ago
In a plant, leaf color and leaf shape are controlled by two linked genes Leaves of the wild-type plant are red. A recessive muta
Brrunno [24]

Solution :

Red is dominant over the white leaves and pointed is dominant over smooth.

Red = R ,    white = r

Pointed = P ,   smooth = p

Red, pointed x white,smooth ------ Parents

RRPP                 rrpp

RP                      rp  ----------------- Gametes

         RrPp    -------- $F_1$

  (red, pointed)

When this $F_1$ is test crossed,

RrPp  x  rrpp     ----  $F_1$ test cross

Gametes   → rp

RP ---------- RrPp - red, pointed - 36 parental type

Rp ---------- Rprp - red, smooth - 14 re- combination

rP ----------- rrPp - white pointed - 10 re- combination

rp ----------- rrpp - white, smooth - 40 - parental type

                                    Total =   100

As this ratio is deviating from 1:1:1:1, it indicated the two genes are linked.

Linkage strength = percentage of crossing over = map distance between the genes.

Percentage crossing = recombination frequency = percentage of recombination.

Recombination frequency $=\frac{\text{total no. of recombination}}{\text{total no. of progeny}}\times 100$

                                         $=\frac{14+10}{100} \times 100$

                                         = 24 %

                                        = 24 map units

4 0
3 years ago
An increase in the amount of which atmospheric gas is thought to cause global climate warming?
Salsk061 [2.6K]

Answer:

Carbon Dioxide

Explanation:

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During warmer months, manatees have been sighted from:
Pani-rosa [81]

Answer:

D.Georgia to Alabama

Explanation:

There are records of manatee sighting during the summer months in areas such as Alabama, Georgia and South Carolina. They migrate north in the summer months.

The manatees do not withstand temperatures below 21 degrees Celsius.

Most manatees migrate seasonally over long distances between a northern warm season range.

In winter the manatees are concentrated in Florida.

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3 years ago
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