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Crazy boy [7]
3 years ago
5

How many layers of molecules are in the plasma membrane?

Biology
1 answer:
m_a_m_a [10]3 years ago
8 0

Answer:

2 layers are in the plasma membrane

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Las plantas también aportan agua a traves de la _____ y los animales a través de la _____
polet [3.4K]

Answer:

Las plantas también proporcionan agua a través de los estomas y los animales proporcionan o liberan agua a través de la respiración, la transpiración y la micción.

Explicación:

Las plantas también proporcionan agua a través de los estomas y los animales proporcionan o liberan agua a través de la respiración, la transpiración y la micción. Las plantas tienen una pequeña abertura llamada estoma por la cual la planta toma aire dentro de su cuerpo y libera agua para regular su temperatura mientras que por otro lado, los animales liberan agua de su cuerpo a través de la respiración en forma de vapores y de la micción en forma de líquido.

6 0
3 years ago
Scientists cannot use the scientific method to reproduce another scientists experiment True or False
Murljashka [212]

Answer:

False

Explanation:

One of the proof of a good scientific experiment is the ability to reproduce the steps leading to the results obtained from the experiment.

To proof the validity of the claims of an experiment by other scientists:

  • Every experiment must be reproduceable by other scientists.
  • This will enable the experiment to be rid of any bias.
  • For the conclusions of an experiment to be validated by other scientists, such experiment should be tested by others.
  • If the results are the same, then the hypothesis can be advanced.
  • If not, the experiment is redesigned or discarded.
8 0
3 years ago
State one reason why an individual’s pulse rate increased during exercise.
shusha [124]
Blood needs to flow faster around the body in order to supply the muscles with oxygen for respiration
4 0
3 years ago
PLS ANSWER DUE LATER!!
Vlada [557]

Answer: Ok so for the first one pipette aid, pipette tips, standard/ladder, samples with dye, ethidium bromide, plastic pipette, gel box, and gel box aid. <--- These are the ingredients Ok now to answer the second question: Why do you need to use a buffer? Ok answer:  Buffer is a solution that can resist pH change upon the addition of an acidic or basic components. For the FINAL QUESTION!!!!  I can't answer why you need a microwave but Yes you can use something else  such as the oven!

If you have time will you mark me brainliest? If not that's ok a simple thanks will do!!!! :) ~~Night

3 0
3 years ago
(05.05 MC) Exposing human subjects to experimental manipulations such as high levels of toxins is unethical. We often use model
Advocard [28]

Answer:

A good model organism should be able to be easily maintain in the laboratory, be fast growing, with a fast generation time and be as closely related to humans as possible.

Explanation:

The attributes that should be looked for in the selection of good model organism for investigating the impact of toxins in humans include:

  • Easy maintenance: The easier the maintenance of the organism, the better for both the research and the researcher. More can be achieved with less effort as opposed to high maintenance animals.
  • Fast generation time: They should be able to grow and reproduce quickly so as not to prolong the experiment for too long. The lower the regeneration time, the shorter the time required to obtain adequate data for the research.
  • Genetical similarity to humans: A good model organism for humans related study must share some similarities with humans at the genetic level. The more the genetic similarity, the more applicable the outcome of the research on humans.

<em>Hence, a good model organism should be able to be easily maintained in the laboratory, be fast-growing with a fast generation time, and be as closely related to humans as possible.</em>

8 0
3 years ago
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