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madam [21]
3 years ago
9

Which of the following is an organic molecule? A. LiF B. C3H8 C.SO2 D.H2O

Biology
1 answer:
spayn [35]3 years ago
7 0
I believe the answer is B. C3H8
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Plant transgenic technology is important for the introduction of genes that convey traits related to environmental stresses and
Gekata [30.6K]

The options of the given question are:

method for DNA delivery

gene construct

efficient selection strategy

tissue culture system

Answer: Tissue culture system.

Explanation:

The role of tissue culture system is not much in case of the transgenic plant. The method of DNA delivery, efficient selection strategy and gene construct are involved in the plant transformation.

But plant tissue culture is not directly involved in the plant transformation. The plant tissue culture is the collection of the techniques which is used to maintain the growth of the plant cells and so it does not plays any important role in plant transformation.

The plant transformation is the introduction of the desired characters into the plant and then the growth of transformed plant takes place in the culture medium. This has no role in the plant transformation or has less role.

8 0
3 years ago
________ Is the nitrogen base found only in RNA
Savatey [412]

Answer:

Uracil

Explanation:

3 0
3 years ago
How are convection currents produced in the air?
nika2105 [10]
Convection currents are caused by the colliding of cold and warm air. At night, air above water is warm and air above land is cold. The opposite is true in daytime. When the warm air hits the cold air, which is more dense, it is pushed upward. Then it travels laterally until it cools. It comes back down and pushes up the former cold air, which is now warm. This repeats many times.
7 0
3 years ago
I need help with this question
Sindrei [870]

true

im pretty sure plz mark brainliest

6 0
3 years ago
Fleming grew Penicillium in broth, removed the Penicillium, and poured the broth into culture dishes containing bacteria to see
Savatey [412]

Answer:

Testing a hypothesis by experiment.

Explanation:

Hypothesis is a proposed explanation for scientific observations. And what's really important about a hypothesis is that, when written correctly, it helps create a well-designed experiment.

The two go together like peanut butter and jelly, movies and popcorn, and rock and roll. They not only complement one another but are also specific to each other. This is because an experiment is specifically designed to test a given hypothesis. Experiments are certainly fun to perform, but that's just a bonus for us! Their main purpose is to see whether our predictive statements, our hypotheses, are supported or not.

But even with a solid hypothesis, designing an experiment isn't always easy because there's a lot to take into consideration. So, let's take a look at the process to see how we would go about setting up our experiment based on what we're trying to test.

5 0
3 years ago
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