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lorasvet [3.4K]
3 years ago
6

Which two changes can indicate that a physical change has occurred in a substance?

Chemistry
2 answers:
tester [92]3 years ago
6 0
I think the answer would be B and C but sorry if it’s wrong
inn [45]3 years ago
5 0
I believe it's b!! good luck! sorry if it's wrong
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What can you say about the reactants of photosynthesis and the products of cellular respiration?​
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Answer:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by-products and ATP is energy that is transformed from the process.

Explanation:

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3 years ago
During translation, the new polypeptides are often directed to specific parts of the cell by the presence or absence of short se
kotegsom [21]

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The correct option is b. an amino-terminal signal

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A polypeptide that will eventually fold to become an ion channel protein, it means a kind of integral membrane protein, has an amino terminal signal that indicates its delivery to endoplasmic reticulum (ER) and then to the membrane. This type of signal usually consist in a nucleus of 6 to 12 aminoacids and one or more basic aminoacids. Once the polypeptide enters the ER, this signal is removed.

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3 years ago
The asthenosphere is the part of the upper mantle just below the lithosphere that os involved in the plate tectonic movement anf
likoan [24]

Answer:C

Explanation:

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3 years ago
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jasenka [17]

Answer: The nonpolar covalent bond happens in an O₂ molecule.

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5 0
4 years ago
How do I study Chemistry efficiently?
TEA [102]
Review and Study Material Before Going to
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Seek Understanding.

Take Good Notes.

Practice Daily.

Take Advantage of Lab Time.

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