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jasenka [17]
3 years ago
10

Which of the following are mixtures?

Biology
1 answer:
yuradex [85]3 years ago
8 0

Answer:

air, oxygen, water, sand. and tea

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Hypotonic, hypertonic, or isotonic? <br> Please help me answer this question!
IgorLugansk [536]

Explanation:

if solute is 43% inside the cell then water is 57% (100%-43% = 57%)

outside; 100% - 60% = 40% water

it is hypertonic because water concentration is high inside the cell than outside, hence water flows to the outside of the cell.

4 0
3 years ago
The whole cell is surrounded by a membrane, but each individual _______ is also surrounded by a membrane.
andrezito [222]

Organelles Are surrounded by one or two layers of unit membrane.

This includes: nucleus, mitochondria, lysosomes, peroxiosomes, endoplasmic reticulum (smooth and rough), Golgi complex, Phagosome

3 0
3 years ago
In his experiment, Mendel used a monohybrid cross to __________. (Select all that apply.)
Iteru [2.4K]
The answer is first A and C
5 0
2 years ago
What molecules are required for the Calvin cycle? (3 answers)
Ber [7]

Answer:After the energy from the sun is converted and packaged into ATP and NADPH, the cell has the fuel needed to build food in the form of carbohydrate molecules. The carbohydrate molecules made will have a backbone of carbon atoms. Where does the carbon come from? The carbon atoms used to build carbohydrate molecules comes from carbon dioxide, the gas that animals exhale with each breath. The Calvin cycle is the term used for the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules.

Explanation:The Interworkings of the Calvin Cycle

In plants, carbon dioxide (CO2) enters the chloroplast through the stomata and diffuses into the stroma of the chloroplast—the site of the Calvin cycle reactions where sugar is synthesized. The reactions are named after the scientist who discovered them, and reference the fact that the reactions function as a cycle. Others call it the Calvin-Benson cycle to include the name of another scientist involved in its discovery (Figure 5.14).

This illustration shows that ATP and NADPH produced in the light reactions are used in the Calvin cycle to make sugar.

3 0
2 years ago
Read 2 more answers
Prior to its export from the nucleus, what modifications must be made to a mRNA molecule in eukaryotic cells?
romanna [79]
The mRNA needs to copy the gene sequence of the dna before it leaves the nucleus to the tRNA and rRNA
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