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dsp73
3 years ago
5

Beadle and Tatum's concept of the gene has been further refined to state which of the following most correct and current idea?

Biology
1 answer:
Rufina [12.5K]3 years ago
3 0

Answer:

a. one gene - one enzyme

Explanation:

Genes are connected to enzymes was first suggested by Sir Archibald Garrod. Later on, Beadle and Tatum carried out genetic studies on <em>Neurospora </em>and confirmed Garrod's hypothesis.

The link between genes and enzymes was called “one gene-one enzyme hypothesis”.

But this hypothesis is not accurate and changed because some proteins are encoded by genes are not enzymes. Some genes do not encode a whole protein but a subunit of a protein. In general, one polypeptide (a chain of amino acids) encoded by one gene.      

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analyze the results of a cross between two organisms that are both heterozygous for two different genes (AaBb) use a punnett squ
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The  cross  of  heterozygous  AaBb as  parental  phenotype led   to  formation  of  16  phenotype   of  the  offspring.This  is  because  this  is  dihybrid   form  of inheritance .The   probability  of  having  aabb   offspring  is  1/16  since   there  is  only  one  aabb  type  of  offspring  phenotype  out  of  the  16.  An  illustration  of  how  crossing  is  done  is  as  per  punnet square  below

6 0
3 years ago
Which of the following is a nonrenewable resource?
NARA [144]

Answer:

Oil

Explanation:

Since, unlike oil, source like wind, solar, water etc. come naturally we don't and can't replace them but when the viscosity in oil has been used up it must be change to allow the proper functioning of the machine.

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2 years ago
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Which of the following includes three parts of the lymphatic system?
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¿Cuál es el mejor razón de utilizar una sonda de temperatura en lugar de un termómetro?​
torisob [31]

Answer:

Explanation:

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2 years ago
How is a generic embryonic cell different from a differentiated cell?
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A generic embryonic cell is different from a differentiated cell because it has a specific structure to perform a certain function. During development, cells become increasingly different from one another so that they can be specialized for specific functions.

<h3>What are embryonic cells?</h3>

These stem cells come from embryos that are 3 to 5 days old. At this stage, an embryo is called a blastocyst and has about 150 cells. These are pluripotent (ploo-RIP-uh-tunt) stem cells, meaning they can divide into more stem cells or can become any type of cell in the body.

With this information, we can conclude that Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.

Learn more about embryonic cells in brainly.com/question/11980984

#SPJ1

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2 years ago
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