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photoshop1234 [79]
3 years ago
8

Help plz worth 5 points

Biology
2 answers:
Stells [14]3 years ago
4 0

Answer:

B

Explanation:

Harlamova29_29 [7]3 years ago
3 0

Answer:

c

Explanation:

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How did Hershey and Chase use radioactivity to draw a conclusion about proteins and DNA?
Stolb23 [73]
Hershey and Chase studied bacteriophages which are viruses that attack bacteria. They labeled the bacteriophage with radioactive isotopes to see where it goes when a virus attacks. They discovered that nearly all the radioactivity was found in phosphorus, confirming that DNA contains genetic material, not protein.
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2 years ago
What is a type of enegry food coal oil or light​
maxonik [38]
I think it would be coal and oil.they are energy sources.
5 0
3 years ago
Food microbiologists are scientists who have a background in both microbiology and food science. They focus on how microbes grow
Murljashka [212]

Answer:

Statements 1 is True.

Fermentation allows for sugars to be broken down

Statements 2 and 3 are false.

Starter cutures are for the growth of pathogens or the food such as bread, vegetables, and n food Some grains, fruits, and

3. Fermentation can be used only to Bacteria ane the only have their own microbes that used in the Correct Statements

Explanation:

In microbiology, fermentation is the process where sugars are broken down by the activities of bacteria to produce alcohol and carbondioxide...therefore statement one is true.

Starter culture are microorganisms use in diary production for producing yoghurt and cheese. They perform fermentation in diary production.

7 0
3 years ago
How many double-helical DNA molecules will be present in the sperm and egg cells of dogs that are diploid animals that contain 7
ElenaW [278]

Answer:

39 double helical DNA molecules.

Explanation:

  • Meiosis always produces haploid cells.
  • Sperm and Eggs are produced after meiosis.
  • So, sperm and egg cells of dog would have 39 chromosomes and one double helix DNA molecule is present in each chromosome comprising 39 double helical DNA molecules.

<em>A chromosome has one DNA molecule before replication and have two DNA molecules after DNA replication.</em>

<em />

5 0
3 years ago
How do ETS reactions produce ATP?
Norma-Jean [14]

ATP synthesization -  Simple and complex lipids or carbohydrates are used to produce ATP through redox reactions. After the hydrolysis of complex carbohydrates, glucose and fructose are formed and the triglycerides are metabolized to form glycerol and fatty acids. ATP is then synthesized by oxidative phosphorylation and photophosphorylation during the energy production with in the living organisms. ATP production usually takes place in the mitochondria of the cell.  The important pathways by which ATP is generated are glycolysis, the citric acid cycle (or the Kreb’s cycle), and the electron transport chain (or the oxidative phosphorylation pathway).  In these three cycles of  cellular respiration  adenosine diphosphate (ADP) is converted  to ATP and energy is released  from molecules.

8 0
3 years ago
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