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mixer [17]
3 years ago
11

What is chemistry?

Biology
2 answers:
Lena [83]3 years ago
7 0

Answer:

It is the study of matter and how it changes

Explanation:

Consider the chemicals and the way they are altered when combined with each other or when they are under different conditions.

drek231 [11]3 years ago
6 0

Answer: I would say either A or C

Explanation: Because the study of living things and how they change is biology

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Plants obtain energy by __________. Group of answer choices Performing photosynthesis breaking down dead things all of the answe
Natali [406]

Answer:

Performing photosynthesis

Explanation:

7 0
3 years ago
Which organisms and set of characteristics are correctly paired?
VikaD [51]
I think the propositions are :
Which organisms and set of characteristics are correctly paired?(1) fungi—carry out photosynthesis and heterotrophic nutrition(2) plants—carry out respiration and autotrophic nutrition(3) decomposers—carry out photosynthesis and autotrophic nutrition(4) animals—carry out autotrophic nutrition and heterotrophic nutrition

1): False because fungi do not have photosynthesis.
3) False because decomposers do not have photosynthesis.
4) False because animals do not have autotrophic nutrition.

2) is true because animal carries out respiration like other living organisms, and carry out autotrophic nutrition by photosynthesis.
8 0
3 years ago
In terms of structure, how do channel proteins differ from carrier proteins?
vagabundo [1.1K]

Answer:

Moreover, carrier proteins can carry out both active and passive transportation of solutes, whereas channel proteins bring about passive transport only. Both carrier proteins and channels proteins also differ in their chemical composition - whilst the former are glycoproteins, the latter are lipoproteins.

Explanation:

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4 0
2 years ago
which respiratory disease causes airways to narrow or become blocked when dust, smoke, or cold air is present?
finlep [7]
Asthma. When most people that have this disease encounter one of those things then they need special little tool which is called an inhaler.
4 0
3 years ago
Read 2 more answers
What is the inducer molecule in the lac operon?
Sunny_sXe [5.5K]

Answer:

Allolactose

Explanation:

  • <u>The inducer in the lac operon is allolactose. Allolactose is the inducer of lac operon since it turns on, or induces the expression of the lac genes. </u>
  • In the presence of lactose in the medium, some amount of lactose will be converted to allolactose by the enzymes β-galactosidase present in the cell.
  • Consequently Allolactose binds to the repressor molecule, hence reducing the repressor's affinity for the operator site.
4 0
3 years ago
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