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nignag [31]
4 years ago
11

3) Two students decided to repeat the Hershey and Chase experiment, with modifications for a science competition. They radioacti

vely tag the nitrogen of the DNA, rather than the phosphate. Each nucleotide has only one phosphate and two to five nitrogen atoms, the strategy of labeling the nitrogen atoms would detect a stronger signal than labeling the phosphates. Why won't this approach work
Biology
1 answer:
nlexa [21]4 years ago
6 0

Answer:

Explanation:

In the Hershey and Chase experiment, they aimed to show where the phage DNA went when it exited the protein coat and entered the bacteria. In this scenario, the two student's approach won't work because amino acids (and therefore all proteins) also have nitrogen atoms which ultimately means that the radioactivity would not distinguish between DNA and proteins and the experiment will not provide the correct results.

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Explain to Erica what inappropriate internet usage on the job look like.
Oksana_A [137]

Answer:

Using irrelevant sites for the task

Explanation:

4 0
4 years ago
How many phosphate minerals most affected human activity
goldenfox [79]

Answer:

How much phosphorus does the human body have?

How much phosphorus do I need?

Life Stage Recommended Amount

Children 9 to 13 years old 1,250 mg

Adolescents 14 to 18 years old 1,250 mg

Pregnant and lactating adolescents 1,250 mg

Adults over 19 years of age 700 mg

Explanation:

3 0
3 years ago
A student claims that cellular respiration is essential to cells so that they have a means for getting rid of excess carbon diox
Phantasy [73]

The correct answer is "Cellular respiration does not consume carbon dioxide".

Cellular respiration refers to the set of chemical reactions by which cell harnessed energy from nutrients and convert it to ATP (also called as energy currency of the cell).

It is essential for the cell as it generates ATP which is used in all the processes such as DNA replication, repair, etc.

Cellular respiration uses oxygen and releases carbon dioxide as a waste product.

Oxygen is provided by air we inhaled and carbon dioxide is released as a part of exhaled air.

The general equation of cellular respiration can be written as:

C_{6}H_{12}O_{6} + 6O_{2}C

6

H

12

O

6

+6O

2

→ 6CO_{2} + 6H_{2}O + ATP6CO

2

+6H

2

O+ATP

8 0
4 years ago
Read 2 more answers
How does the domain eukarya differ from the other two domains?
Galina-37 [17]
The correct answer is C. all organisms in the domain have eukaryotic cells.
The Eukarya differ from Archaea and Bacteria in that their cells are eukaryotc, meaning they contain a membrane enclosed nucleus and other membrane enclosed organelles. Archaea and bacteria have prokaryotic cells, meaning their cells do not contain a membrane enclosed nucleus or other membrane enclosed organelles. 
4 0
4 years ago
Read 2 more answers
As you read your textbook, identify the steps of translation and protein synthesis. Use first, then, next, after, and finally to
Marysya12 [62]

Explanation:

First during protein synthesis, transcription occurs in the nucleus, followed by translation within ribosomes. Then, newly synthesized proteins enter endoplasmic reticulum where they undergo folding and modification. Next, within the golgi body, the proteins are tagged; after,they are finally parceled into lysosomes. Finally, they can be exported out of the cell to fulfill various functions.

Further Explanation:

The endoplasmic reticulum is a membrane system within the cytoplasm that extends from the outer nuclear membrane. Apart from increasing the surface area within the cell, this continuous system also carries out protein folding, synthesis and transport. In the endoplasmic reticulum or ER, some sections called the smooth ER, do not contain ribosomes, and may contain lipids, enzymes, and other proteins. Other sections bound to ribosomes, are called the rough Er. As a protein destined for the endomembrane system is being synthesized by a ribosome, the first amino acids in the growing polypeptide chain act as a signal sequence. That signal sequence ensures that the ribosome binds to the outer membrane of the ER and that the protein enters the ER lumen. The proteins undergo major modifications and are packed into vesicles.

Golgi bodies are flat, disk-like membranous regions. Proteins traverse the organelle by first having their vesicles bind to the cis face or receiving end. Like a post office, the golgi complex, or golgi body recognizes specific signal sequences, targets and further modifies and packages these compounds into lysosomes for delivery to their final destination.  Proteins here undergo peptide processing and glycosylation .

 

Learn more about cellular life at brainly.com/question/11259903

 Learn more about mitochondria and similar structures at brainly.com/question/2855039

#LearnWithBrainly

 

4 0
3 years ago
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