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omeli [17]
2 years ago
15

What level of biological organization would a section of a lung be?

Biology
1 answer:
Dmitrij [34]2 years ago
7 0
Organ. An organ is a system of tissues that work together on a larger scale to do certain jobs within an animal's body. Examples of organs are the brain, heart and lungs. Anatomy is an example of a biology specialty concerned with this level.
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Showing change in the composition of a population's gene pool demonstrates that evolution has occurred.
Anna11 [10]
A. true, evolution does occur
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2 years ago
Calculate the distance traveled if an object moves forward at 0.2 m/s for 10<br> seconds. *
vesna_86 [32]

Answer:

Explanation:

The formula used is

d = r * t

r = rate = 0.2 m/s

t = time = 10 seconds

d = r*t

d = 0.2 * 10

d = 2 meters.

8 0
3 years ago
What is the effect on transcription of the structural and regulatory genes of the lac operon when lactose is present in the envi
vova2212 [387]

In the lac operon, glucose also plays an important role along with lactose. When Lactose is present in the environment along with glucose then it cannot deactivate the regulator gene [repressor], as a result, the repressor will bind to the operator and the transcription will be blocked.

When Lactose is present in the environment without glucose then the Catabolite repressor protein will bind to the CAP Site, and lactose will bind to the repressor [regulatory gene product], as a result, the repressor gets deactivated and the transcription takes place.

Lac operon: It is a set of three structural genes z, y, and a which are all transcribed and regulated under one single promoter. The three genes code for β-galactosidase, lactose permease, and transacetylase respectively.

β-galactosidase is responsible for breaking the lactose into glucose and galactose, lactose permease is responsible for transporting lactose across the cell membrane and transacetylase attaches a particular chemical group to target molecules.

Learn more about Lac operon here

brainly.com/question/1217140

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7 0
2 years ago
A specific type of cell is being studied by a scientist. She notices the cell contains a nucleus, lysosomes, a cell membrane and
Kitty [74]

Answer:

A eukaryotic plant cell

Explanation:

This is the answer because eukaryotic plant cell have nuclei which means more than one nucleus.

7 0
2 years ago
Which mountains were formed as a result of ocean-continental convergence?
Ronch [10]
Fold mountains are formed
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2 years ago
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