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natulia [17]
3 years ago
7

A person cannot see a single cotton thread 100 feet away, but if you wound thousands of threads together into a rope, it would b

e visible much further away. Is this statement analogous to our DNA?
Biology
1 answer:
aleksley [76]3 years ago
5 0

yes, because we cannot see DNA without a machine, and its the same with nano-molecules, that are blind to the human eye
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In plant cells, a(n) _______<br> forms in the center of the cell during cytokinesis
svetoff [14.1K]
A Cleavage Furrow forms between the two plant cells.
3 0
2 years ago
NEED HELP ASAP: List two ways in which the atmosphere would be impacted in the absence of the biosphere. Use complete sentences.
julia-pushkina [17]

Answer:

If there would be no biosphere on earth the atmosphere would be quite different. There would be no oxygen to support because oxygen is liberated by plants in photosynthesis so no plants means no oxygen. The earth would be a planet without life just like Venus and Mars. Therefore, no organism would be surviving in the world.

There would be no  negligible green house effect and global warming since it is all created due to activities of men.The earth's atmosphere would be much cleaner and with lesser amount of CO2 and O2 but no organism would be there to use them.

Hope it help!

7 0
3 years ago
Read 2 more answers
BIOLOGY HELP!!!!!
Vlad [161]

1. The correct answer is pH.

The activity of the enzymes might be affected by environmental changes such as change in pH. Each enzyme has the point when it is the most active and this value is known as the optimum pH. Extremely high or low pH values can lead to loss of enzyme activity and stability.

Phosphofructokinase is sensitive to acidity, meaning that it is inhibited by low pH levels.

2. The correct answer is temperature.

Enzyme is sensitive to the environmental conditions such as temperature changes.

Temperature is a factor that usually increases the rate of enzyme-catalyzed reactions by increasing the activity of enzymes. But, after reaching the optimum temperature, reaction rate abruptly declines. This happens because enzymes are deactivated or denatured at a certain temperature (above 40° C).


8 0
3 years ago
Please help
notka56 [123]

Answer:

The answer is option D

Codons

Hope this helps you

3 0
3 years ago
Cystic fibrosis is a genetic disease in humans in which the CFTR protein, which functions as a chloride ion channel, is missing
KiRa [710]

Answer:

ABC transporter protein

Explanation:

ABC transporter protein refers to the ATP binding cassette protein which utilizes the AT energy to transport the substrates from one side to another side. The ABC proteins are one of the oldest proteins known in the organisms.

The CFTR protein which acts as a chloride channel in the membrane which transports the chloride ions across the membrane utilizes the ATP energy in the transport.

Thus, ABC transporter protein is correct

4 0
3 years ago
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