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defon
3 years ago
12

Your classmate asks your teacher why viruses are so hard to define. Her response would likely be:

Biology
2 answers:
solong [7]3 years ago
5 0

Answer:

"Some viruses are good for humans, and others are harmful."

Explanation:

"Some viruses are good for humans, and others are harmful."

zmey [24]3 years ago
3 0

Answer:

"New viruses that don't fit our definitions are discovered all the time."

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What is the term for a localized group of organisms belonging to the same species?
77julia77 [94]

Answer:

c. population

Explanation:

A localised group of organisms that belong to the same species is called Population. This can be a local population if the organisms stay at a particular place or a metapopulation if the organisms tend to move from one geographical location to another.

4 0
2 years ago
How can microalgae be used to create biodiesel
mestny [16]

The oil extracted through these methods is referred to as "green crude" and it's not ready to be used as fuel until it undergoes another process called transesterification. This step adds more substances to the mix, including alcohol and a chemical catalyst that causes the alcohol to react with the oil. This reaction creates a mix of biodiesel and glycerol. The final step in processing separates the glycerol from the mixture and leaves a biodiesel that's ready to be used as fuel. Maybe one day it really will be easy being green.


You can read more about it here https://auto.howstuffworks.com/fuel-efficiency/biofuels/convert-algae-to-biofuel.htm

8 0
3 years ago
Suppose that a certain gene functions to enforce a checkpoint on the cell cycle. A mutation causing the loss of this gene's func
chubhunter [2.5K]

Answer:

The correct answer is C. be more likely to have cancer at some point in his/her life.

Explanation:

Cell cycle checkpoints are controlled by different proteins which are coded by different genes. They are important in cell cycle regulation and stops cell cycle immediately if they find any problem in the cell like mutation.

The cell cycle will not be continued if the problem does not solve and cell death will occur which prevents cancer by preventing the mutation to spread into new cells.  

Therefore if a mutation occurs in certain genes that enforce a checkpoint on the cell cycle then the mutated gene will pass in new cells and the mutated cells will grow uncontrollably due to no checkpoints so the person will probably have cancer at some point in his or her life.

7 0
3 years ago
Which evidence is most likely used to indicate the beginning of solar system formation?
zysi [14]

Answer:

I believe your answer should be B.) Materials were pulled together by gravity. I hope this helps you!

6 0
2 years ago
PLS HELP
slavikrds [6]

Answer:

lava flows are very hot, thin and runny. When it cools is has a smooth to ropey texture because of the low silica content which makes it cool quickly. Pahoehoe flows creep along generally at less than 3 feet per minute but some flows have been measured at over 20 miles per hour.

Explanation:

it is A

8 0
3 years ago
Read 2 more answers
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