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lapo4ka [179]
3 years ago
5

Pick three correct statements about enzymes. pls help.

Biology
1 answer:
Vadim26 [7]3 years ago
6 0
I know C they may change shape when they bind substrates
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Freshwater is defined as having a low _______ concentration, usually less than 1%.
vampirchik [111]

Answer: salt

Freshwater is defined as having a low salt concentration, usually less than 1%.

Explanation:

Freshwater refers to the bodies of water that contain very low levels of dissolved salts. So, freshwater are unique for their low salt content (about 0.5% of salt) compared to the sea water with high salt content.

Examples of freshwater include rivers and spring

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How do C4 plants fix carbons?
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Answer:

C4 plants—including maize, sugarcane, and sorghum—avoid photorespiration by using another enzyme called PEP during the first step of carbon fixation. ... PEP fixes carbon dioxide into a four-carbon molecule, called malate, that is transported to the deeper bundle sheath cells that contain Rubisco.

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3 years ago
What are light waves part of?
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Light waves are part of the _electromagnetic spectrum. _


remember that the whole E.M. Spectrum includes various "types of light" > Infrared, (Visible) Light, and UV Light. 

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3 years ago
Which of the following statements are false: Some veins have valves that aid in the one-way propagation of blood. Some veins dep
Reptile [31]
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8 0
3 years ago
Which is most likely the reason why there were no pink colonies seen on spread plate d?
Alenkinab [10]
<span>Here are the missing options for the above question:
</span><span>1. The bacterial culture in test tube D was diluted so much that no pink bacteria were left in the sample.

2. The pink bacteria were not able to get enough energy from the nutrient broth in test tube D to live.

3. The white bacteria outcompeted the pink bacteria for the nutrients in the broth in test tube D.

4. The pink bacteria are sediment growers in nutrient broth and the micropipette could not reach them.
</span><span>
It was about Spread Plate Method of Isolation with nutrient broth. Therefore the best answer choice is:

</span><span>1. The bacterial culture in test tube D was diluted so much that no pink bacteria were left in the sample.</span><span>

</span>
6 0
3 years ago
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