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AlexFokin [52]
3 years ago
9

Mountain glaciers:

Biology
1 answer:
Leni [432]3 years ago
6 0

Answer:

D

Explanation:

Icebergs form when chunks of ice break off from glaciers

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Sentences with the word know
chubhunter [2.5K]
Hi There! 

<span>Sentences with the word know

I think you're asking to write a sentences with the word know!

Example: I know you can do it Cutiepie

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3 years ago
Read 2 more answers
1. Suppose the synthesis of an amino acid was accomplished by four enzymes encoded by four genes that formed an operon. Draw a m
vivado [14]

I have attached lac operon model having 4 genes. See attachment for better understanding.

Answer:

The Lac operon is controlled  by two signals.

Initiation

Glucose and lactose  concentrations control the initiation of  transcription of the Lac operon through  their effects on the Lac repressor protein  and Cap.

Lactose absent (Repression)

When lactose is absent, the Lac  repressor binds the Lac operator and shuts  off expression of the operon.

Lactose present (Transcription)

Addition  of lactose increases the intracellular  concentration of a related compound,  allolactose. allolactose binds to the  Lac repressor, causing it to undergo a  conformational change that releases its grip  on the operator DNa.

Glucose absent (Repression)

When  glucose is absent, cyclic aMp (red triangle)  is produced by the cell and Cap binds to  DNA.

Glucose present (Transcription)

LacZ, the first gene of the operon,  encodes the enzyme b-galactosidase, which  breaks down lactose to galactose and  glucose.

7 0
3 years ago
The environment is vital for the survival of living beings. give reasons​
makvit [3.9K]

Answer:

It is the necessity of the living organisms to increase their number in order to maintain the continuity of the species. Reproduction is the process through which one organism give rise to a similar organism of its own kind. It is one of the most important characteristics of the living organism.

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<h3>Please mark me as Brainlist</h3>
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3 years ago
Select the correct statements about cellular respiration. (Check all that apply)
kogti [31]

Cellular respiration is the process by which glucose is broken down to carbon dioxide and water in the cell.

Cellular respiration refers to the process in which glucose is broken down to produce energy. The reaction of cellular respiration is; C6H12O6 -----> 6H20 + 6CO2. This process occurs in the mitochondria of the cell which is within the cytoplasm. In times of oxygen deficit, lactate or ethanol may be produced by the process.

The following statements are true about cellular respiration;

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  • ethanol may be produced
  • the reactions happen in the cytoplasm
  • CO2 is produced

Laern more: brainly.com/question/13721588

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2 years ago
Which type of exercise strengthens the skeletal and the cardiac muscles?
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yo its d..............................................

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