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Lunna [17]
3 years ago
12

What happens in the alimentary canal?

Biology
2 answers:
Hunter-Best [27]3 years ago
4 0
In alimentary canal, food get digested by the action of many enzymes secreted by various glands including Liver, Pancreas and salivary glands....
castortr0y [4]3 years ago
4 0

 Starch is broken down by enzymes.

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Why is an organisms role important for its community?
german
<span>Organisms play an important role in the water cycle. As you know, most organisms contain a significant amount of water .</span>
4 0
3 years ago
The U.S. National research Council recommends that adults eat 0.8 g of protein daily per kilogram of body weight. What is the mi
faust18 [17]

Explanation:

For a man weighing 185 pounds his minimum daily protein requirement is <u>67.118 g </u>of protein.

Proteins are integral to many bodily functions including cell growth,repair and as an alternative source of energy.

Further Explanation:

Large monomer chains form biological macromolecules that perform many essential body functions, including nucleic acids, carbohydrates, proteins, and lipids. These are organic molecules, meaning Carbons bonded to the elements oxygen (O), hydrogen (H), nitrogen (N), and phosphorus (P) are ringed or long-chain.

Proteins are structural support molecules consisting of long amino acid chains joined via peptide (CONH) bonds; these are 20 specific units arranged into several macromolecules. Amino acids are absorbed through digestion and incorporated into the cells of the body to form muscle organs that signal molecules and provide an alternative source of energy.

  • First... convert 185 pounds to kilograms. Pounds (lbs) can be a measure of mass or weight, while Kilograms (kg) are a measure of mass.  
  • 1 pound= apprx 0.4535 kilograms.   ∴ 185 lbs = 83.8975 kg
  • Then, find the daily requirement for the person's mass in kg .....................<em>0.8 grams (g) of protein is recommended per kg of body weight.       </em>∴ 0.8 × 83.91 = <u>67.118 g</u>

Learn more about proteins and carbohydrates at brainly.com/question/10744528

#LearnWithBrainly

8 0
3 years ago
How many total, non-unique alleles are there for each gene in a population of 400 humans?
Ostrovityanka [42]
There are 200 for each gene
6 0
3 years ago
What is the determining factor for the transcription of structural genes of the trp operon?
padilas [110]

The right answer is 3. the availability of tryptophan in the environment

The TRP operon regulation depends on the availability of the tryptophan molecule (it depends if the cell need tryptophan or already has it).

There are two modes of regulation of the trp operon: Suppression and Mitigation

*Repression

The synthesis of operon mRNA is controlled by a repressor that blocks transcription when bound by tryptophan, which acts as a co-repressor.

The repressor, a 108 aa homodimer (ie 2 apo-repressor), has helix-turn-helix domains that interact with inverted repeats at the major groove of the operator, thus allowing its fixation.

In the absence of trp, the repressor is inactive and does not attach to the operator. The RNA polymerase can bind to the promoter and transcribe the trp E, D, C, B, A structural genes.

In the presence of trp, the repressor changes conformation and becomes active, so it binds to the operator, preventing RNA polymerase from accessing the promoter so transcription will not occur.

* The Attenuation

This is a premature termination of transcription that is a function of Trp concentration. It takes place at a late moment of transcription while regulation by repression is done during the initiation.

1st Case: Low Trp Rate, Continuous Transcription, → Formation of the Anti-attenuator in the absence of trp, and therefore the synthesis of tryptophan is continued.

2nd case: High rate of trp, stop transcription, → Formation of the attenuator in the presence of trp. This one will attenuate the synthesis of tryptophan.

4 0
3 years ago
Replicate the following segment: TAC-TGA-GGG-CTG-ATT<br><br>Somebody please help me with this.<br>​
torisob [31]

Answer:

AUG ACU CCC GAC UAA (mRNA)

UAC UGA GGG CUG AUU (tRNA)

5 0
3 years ago
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