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dem82 [27]
3 years ago
14

How does the environment define the ecologic roles of organisms?

Biology
1 answer:
KIM [24]3 years ago
6 0
Biodiversity plays an important role inecological health as much as it does for human health. ... Ecosystem engineers aredefined as: "...organisms that directly or indirectly modulate the availability
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The endoplasmic reticulum (ER) is a single membrane continuous with the nuclear envelope and a series of interconnected sacs thr
Solnce55 [7]

Answer:

The transport of proteins and other bioactive materials from endoplasmic reticulum to the nucleus without the involvement of transport vesicles is the main beneficial for the cell to be continuous with the nuclear envelop.

Explanation:

The rough endoplasmic reticulum or RER that contain ribosomes on its surface is directly continuous with membrane of nucleus.

     This helps nucleus to gain access to the proteins and other materials generated within endoplasmic reticulum.

   If endoplasmic reticulum faces biological problems such as unfolded protein accumulation in the ER is hazardous to the cell.During such circumstances ER send specific signal to the nucleus.

  The nucleus respond to that signal by reducing the rate of protein synthesis,so that the ER would get some extra time to fold the required proteins essential for cellular functioning,

7 0
3 years ago
Which of the following is not a potential concern associated with the use of biotechnology?
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<span>The option which is not a potential concern associated with the use of biotechnology is the production yields of GM foods, whereas the other options are quite dangerous when you think about them. Genetic ownership means that somebody could steal your genes and use them for cloning, which is another option here. Trainsgenic foods also have to be kept safe, so as to stop someone from messing with them. The production yields of GM foods is not the problem, the problem is whether that food is healthy or not.</span>
4 0
3 years ago
A<br> B<br> C<br> D<br> Thanks to whoever helps!<br> Much Appreciated!!!
vlada-n [284]

Marke me as brainliest please

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8 0
2 years ago
Which of the following is the main mechanism by which populations change
elena-14-01-66 [18.8K]

Answer:

D Natural selection

Explanation:

This is because the dominant Gene according to Charles Darwin is strong enough to adapt to any environment.Making it a survival of the fittest

6 0
3 years ago
Adults with more than a 12-month history of migraines were assigned randomly in a double-blinded study to receive treatment with
lyudmila [28]

Answer:

Phase III

Explanation:

The given condition fall in the trial phase (Phase III) of cinical study which aims to:

- Determine drug's effectiveness (primary goal)

- Determine long-term drug safety

- Confirm findings

In Phase III, randomised, double-blind, placebo-controlled, parallel group study is majorly to evaluate the efficacy and safety of placebo in episodic migraine prevention in children (6 to < 12 years of age) and adolescents (12 to < 18 years of age).  

The trial consists of four phases: screening; double-blind therapy period for 24 weeks in which placebo or Erenumab is given to subject as dose 1, dose 2 or dose 3 (based on the participant's body weight) once a month via subcutaneous injection; optional dose level blinded extension phase (40 weeks) which involves subjects recieve dose1, 2 and 3 of placebo, and at last it follows a safety follow-up phase for 12 weeks (after 16 weeks  of the last dose of investigational drug).

Hence, the clinical phase is phase III.

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3 years ago
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