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DaniilM [7]
1 year ago
10

Use the drop-down menus below to match the scientist(s) to their contribution to the discovery of base pairings. studied the rol

e of RNA in protein synthesis, specifically in the bacteria E. coli. created an accurate model of the structure of DNA. proposed the polynucleic model, stating that DNA and RNA were composed of nucleotides. concluded that, in DNA, adenine levels were equal to thymine levels and cytosine levels were equal to guanine levels.

Biology
2 answers:
marshall27 [118]1 year ago
8 0

Answer:

1-Nirenberg and Matthaei

2-Watson and Crick

3-Levene

4-Chargaff

Explanation:

victus00 [196]1 year ago
3 0

Answer:

Check the pic

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Your science class has taken swabs throughout the school. The image shows the petri dish containing a bacterial culture that dev
tresset_1 [31]

Answer:

answer is D

Explanation:

because that is the correct one

3 0
1 year ago
Read 2 more answers
Which energy source did you rank as the worst option for the rescue team
stellarik [79]

Answer:

The worst option of energy source for the rescue team would be - nuclear, hydroelectric, combustion and fuel burning all are worst option fro max to less worst.

Explanation:

The best option for the energy source for the rescue team would be hand canker, lever as it is mechanical energy generator does not require anything but hand movement to generate energy to charge equipment and easily carry  anywhere.

Solar, wind energy are also helpful for rescue team but nuclear energy, hydropower, fuel burning energy source are risky, not handy and costly options.

Thus, the worst option are-  nuclear, hydroelectric, combustion and fuel burning energy source.

5 0
1 year ago
Glycolysis Shortcut Suppose you discovered a mutant yeast whose glycolytic pathway was shorter because of the presence of a new
zubka84 [21]

Answer:

No.

Explanation:

As you may already know, glycolysis is an anaerobic metabolic pathway, that is, without the presence of oxygen, which is able to break down glycolysis into smaller molecules that are capable of providing energy (ATP) to living beings after a series coordinated and indispensable reactions.

In the question above, we can see that a cinetist discovered a mutant yeast that was able to perform glycolysis more quickly due to the presence of a certain enzyme. If we analyze the reaction that this enzyme is capable of generating, we can conclude that the shortening of glycolysis is not beneficial to the cell. This is because the amount of ATP produced anaerobically, by glycolysis, would be non-existent. Aerobic ATP production would also be affected, but on a small scale.

7 0
1 year ago
Check your understanding
wel

The fraction of offspring with black coat color and straight fur is 9/16.

Explanation:

Information given:

black coat colour and straight fur - dominant genotype BBCC, BbCc

yellow coat colour and curly fur - recessive genotype  bbcc

Both the traits are independently assorted. The fur colour and fur type is not present on the same chromosome and are not sex linked.

The genotype of the parents are:

BbCc X BbCc

Punnet square shows:

          BC           Bc          bC        bc

BC  BBCC   BBCc        BbCC   BbCc

Bc  BBCc   BBcc          BbCc    Bbcc

bC BbCC    BbCc         bbCC   bbCc

bc  BbCc      Bbcc         bbCc    bbcc

9 BLACK STRAIGHT

 3 BLACK CURLY

 3 YELLOW STRAIGHT

  1  YELLOW CURLY

9/16 is the fraction of progeny to be black coat colour and straight fur.

5 0
1 year ago
The word "cycle" in cell cycle refers to the ________________ of growth, dna duplication, and cell division that occurs in eukar
xeze [42]
The word "cycle" in cell cycle refers to the regular pattern of growth, DNA duplication, and cell division that occurs in eukaryotic cells.
The cell cycle is the term that describes the development and growth of a cell, after its formation and until its reproduction (division into two daughter cells). In eukaryotic cells (cells that include a nucleus) the cell cycle is comprised of two major phases, the interphase and the mitosis. During interphase, the cell grows larger and duplicates its genetic material. During mitosis, the cell divides its genetic material and cytoplasm, creating two daughter cells.
7 0
1 year ago
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