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kipiarov [429]
4 years ago
8

Does anyone know the right answer ?

Biology
2 answers:
Bogdan [553]4 years ago
8 0

Answer: A

Explanation:

julsineya [31]4 years ago
3 0

Answer:  A

Explanation:

Karyotypes can be used to screen for and confirm chromosomal abnormalities such as Down's syndrome, and there are several different types of abnormalities which may be detected.

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Which of the following is not true of the carrier molecules involved in facilitated diffusion?
PtichkaEL [24]

Carrier proteins are involved in passive transport, moving solute molecules form one side of the membrane to the other. Option (A) is not true. <em>They increase the </em><em>speed of transport</em><em> across the membrane. </em>

<h3>Facilitated diffusion </h3><h3 />
  • It is the transport of hydrophilic molecules that can not freely cross the membrane.

  • Channel protein and many carrier proteins are in charge of this transport.

  • When uncharged molecules cross the membrane, they do it according to their concentration gradients, going from the more concentrated side to the lower concentrated one.

  • When ions need to cross the membrane, the process depends on an electrochemical gradient

<h3>Carrier molecules</h3><h3> </h3>
  • Carrier proteins move molecules from one side of the membrane to the other side.

  • They do not need energy. They move solutes according to the electrochemical gradient.

  • The carrier proteins have specific binding sites recognized by the transported molecules.

  • When the proteins and the solutes get together, the carrier proteins suffer a temporal change in their structure.

  • These changes allow the solute passage to the other side of the membrane.

<h3></h3>

Options,

(A) They increase the speed of transport across the membrane. FALSE

(B) They concentrate solute molecules on one side of the membrane TRUE

(C) They have specific binding sites for the molecules they transport. TRUE

(D) They undergo conformational changes upon binding the solutes. TRUE

The incorrect option about carrier proteins is A. <em>Carrier proteins </em><em>Do Not increase</em><em> the </em><em>speed</em><em> of </em><em>transport</em><em>. They just make it possible. </em>

<em />

<em>----</em>

<em />

<em>You can learn more about </em><em>carrier proteins</em><em> at</em>

<em>brainly.com/question/241437</em>

<em>brainly.com/question/21036213</em>

5 0
3 years ago
Does anyone understand this?
kozerog [31]
1. Find AUG (start codon) in RNA strand
2. Break strand into condom (3 bases)
3. Use amino acid codon chart (above) to find the amino acid sequence. Continue until stop codon.

See an example of my work down below:

6 0
4 years ago
How would you describe the process of two plates moving at a convergent plate boundary?
Brilliant_brown [7]

Answer: it depends on what kind of plates are moving

Explanation:

7 0
3 years ago
Genetic counselors can recommend genetic tests and intepret the results of these tests for individuals. In which instances can a
Luda [366]

Answer:

The answer is A, B, C and E.

Explanation:

Genetic counselors are responsible for recommending genetic testing according to the need of the patient and then guiding them through the process and helping with their decision after interpreting the genetic test results.

Out of the given options in the question, D does not apply to the given statement that if a genetic counselor recommends a genetic test or not because wanting to increase an unborn child's intelligence is unethical and is in the field of genetic engineering which is not approved.

The examples given in the options A, B, C and E are all examples of people that are seeking treatment for themselves either for curing a disease or preventing it and in those cases, the genetic counselor can recommend a genetic test.

I hope this answer helps.

8 0
4 years ago
Read 2 more answers
Which of the following substances would NOT transport readily in blood?
Levart [38]

The substance that would not transport readily in blood is : Triglycerides ( B )

<u>Although your question lacks some data below are the missing options</u>

  1. Fibrinogen
  2. Triglycerides
  3. Monosaccharides
  4. Albumin
  5. Carbohydrates

Triglycerides are not readily transported in blood but it is contained in dietary fat which is been absorbed by the body through the intestine in the form of chylomicrons ( triglyceride-rich lipoproteins ).

When the chylomicrons gets to the liver, the liver disassociates the Triglycerides from the chylomicrons that is needed by the body for energy.  

Hence we conclude that the substance that would not transport readily in blood is Triglycerides.

Learn more : brainly.com/question/18343347

8 0
3 years ago
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