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Gekata [30.6K]
3 years ago
12

Late radiation responses are called deterministic. True or false

Biology
1 answer:
postnew [5]3 years ago
4 0
Answer: true
Explanation: is on quizlet :)
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The antibiotic rifampicin blocks transcription in many bacteria. In the presence of the antibiotic, adding sigma factor has no s
mariarad [96]

Answer:

transcription initiation

Explanation:

Transcription is a process by which genetic information from DNA is used to synthesize an RNA molecule, usually, a messenger RNA (mRNA), which is subsequently utilized to synthesize a protein by a process called translation. Transcription in prokaryotes has three steps:

1-Initiation: the RNA polymerase is a multisubunit enzyme (holoenzyme) composed of two α, one β, one β’ and one ω and σ subunits (α2ββ’ωσ). This holoenzyme binds to the promoter region of the template DNA strand.

2-Elongation. The sigma σ factor of the holoenzyme is released and the complex and the core enzyme (α2 ββω) moves along the template strand, thereby producing an mRNA sequence

3-Termination. This step can be Rho-dependent, where a protein named "Rho" recognizes the termination site and stop transcription, and Rho-independent (transcription continues until the termination sequence is reached).

In consequence, Rifamycin is likely to block the initiation of transcription because the core RNA enzyme needs to bind the sigma factor (σ) for initiation of transcription in bacteria.

8 0
3 years ago
Which of the followiing characteristics of living things is very important for a group or organisms, but not a single orgaism?
Ksju [112]
The answer is D! living things are made up of units called cells.
5 0
2 years ago
Which of the following is the best explanation for the presence of light -colored lizards in the white sands region of New Mexic
Vanyuwa [196]
Put the options of the answer
6 0
3 years ago
If an object turns but maintains the same speed,has its acceleration changed?explain
Andreas93 [3]
Acceleration is defined as the rate of change of velocity
Since velocity is a vector, it has both speed and direction.
So, if the object is travelling in a straight line at a constant speed, then it will not be accelerating. Both Magnitude and direction are constant.
However, if the object is travelling in a circle at a constant speed, then it'll be accelerating. An Object going in a circle is constantly changing it's direction, which means velocity is changing, so there is an acceleration caused by a net force.
Hope this Helps :)
8 0
3 years ago
Help a person in need will ya? It will be kind of you to help me.
timama [110]

Answer:

Not under microscope:

Brownian motion is the constant but irregular zigzag motion of small colloidal particles such as smoke, soot, dust, or pollen that can be seen quite clearly through a microscope.

Under microscope:

detailed with texture (just go on about how it looks)

also what grade is this? Is this high school orrr

Explanation:

4 0
3 years ago
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