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Helga [31]
3 years ago
14

Why can't all mixtures be classified as solutions?

Biology
1 answer:
valentina_108 [34]3 years ago
3 0

Solutions are when a compound can dissolve in another hence you need a solvent and a solute

So C

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. The separation of DNA strands moves outward from the origin via the action of ___________, which untwists the double helix and
Licemer1 [7]

Answer:

<h2>Helicase,  topoisomerase ii /gyrase, single strand binding proteins.</h2>

Explanation:

DNA replication is the process in which DNA is replicated with the help of various enzymes and proteins..

Helicase is the enzyme which unwind the DNA strands, After unwinding, topoisomerase removes these twists. Single strand binding proteins  stabilize the single strands of DNA during replication.

8 0
3 years ago
Which is the correct order of levels of organisation in organisms, from least complex to most complex?
yanalaym [24]

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The biological levels of organization of living things arranged from the simplest to most complex are organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and biosphere.

Explanation:

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3 years ago
Suppose 2 scientists r trying to perform an experiment that involves dangerous chemicals. How might their safety be affected by
Solnce55 [7]
If they are trying to convert any measurements or just measure out the chemicals, it wouldn't be very familiar to them so they could make a mistake that can result of too much or too little of the chemicals, which can make the chemicals react differently. 

7 0
3 years ago
What are the five main phases of the cell cycle? What are the main events in each?
saveliy_v [14]

Answer:

In the adult organism, mitosis plays a role in cell replacement, wound healing and tumour formation. Mitosis, although a continuous process, is conventionally divided into five stages: prophase, prometaphase, metaphase, anaphase and telophase.

Cell cycle has different stages called G1, S, G2, and M. G1 is the stage where the cell is preparing to divide. To do this, it then moves into the S phase where the cell copies all the DNA.

Explanation:

good luck

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3 0
3 years ago
Draw conclusions: Natural selection is the process by which favorable traits tend to
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Answer:

it illustrated natural selection because the most favorable traits live longer than the unfavorable traits.

Explanation:

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