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Softa [21]
2 years ago
10

HELP ME PLSS ILL GIVE U 25 POINTS!

Biology
2 answers:
Usimov [2.4K]2 years ago
5 0
1. Closed
It keeps the blood from tongue backward up into the right atrium when the ventricle contracts

2. Lungs

3. Gives up carbon dioxide and picks up oxygen

4. can

10. The lungs
soldier1979 [14.2K]2 years ago
3 0

Explanation:

liway sm but i don't know that

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How do solar radiation effect the climate
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Answer:

The Sun's rays warm our world, stir air and ocean currents, and catalyze chemical reactions in the atmosphere. The Sun-warmed surface evaporates water to form rain clouds that redistribute fresh water around the world. And sunlight is essential for most life forms that live at Earth's surface.

Explanation:

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3 years ago
_____ are believed to be the ancestors of the protists and first eukaryotes.
Alika [10]
The answer to the question is A 
7 0
3 years ago
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Describe at least one part of the experiment procedure you thought was essential for getting good results. Did you find that cer
atroni [7]

Answer:

Control environment is the most important procedures for getting good results.

Explanation:

The control environment for an experiment is the essential part for getting good results. In control environment, there is no or less chances of infestation from the external environment which can cause the results of the data more acceptable. So the scientists prefers laboratory for performing experiment as compared to outer environment. So in my opinion for getting better results, the control environment is the most necessary experimental procedure.

Yes, for getting better results I think there is a step that could have been added to the procedure is to follow the international standard procedures for taking the readings by the experimenter.

3 0
3 years ago
BRAINLIESTTTT ASAP!!!
katovenus [111]
Can I have the brainliest?
positive impacts
Animals can be engineered to require less food, grow quicker, and leave behind less evironmentally damaging waste.
-Animals can be engineered to be more resistant to harmful and painful diseases.
-Animals can be engineered to produce more omega-3 fatty acids, to provide leaner meat, and to make more milk.
-Animals can be engineered so their tissues, organs, and cells can be transplanted into humans.
-Animals can be engineered to produce certain substances that offer a new source of medicine.
-Animals can be engineered to reproduce much faster.

negative impacts.

It is unethical.
-Some food companies have refused to use meat or milk that is from genetically engineered animals.
-Some consumers are complaining that the animal drug rules do not regulate genetically modified animals properly.
-This process is potentially dangerous and can be very harmful.
-When engineering animals the natural ecosystem can be disturbed.
-Some animals die in experiments while other are born deformed or huge.
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-Most injected eggs do not end up creating a living animal.
3 0
3 years ago
1. What codes for a protein?
Harman [31]
1) mRNA
2) amino acids
3) transcription and translation
4) mRNA is made
5) messenger
6) to a ribosome in the cytoplasm
7) making amino acids
8) ribosomal
9) transfer
10) tRNA anticodon match up with codons on mRNA strand
11) codon
12) peptide bond

Hope that helps! :)
5 0
3 years ago
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