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NARA [144]
3 years ago
14

In an important experiment, radioactively labeled bacteriophages were allowed to infect bacteria. In the first trial, the phages

contained radioactive DNA, and radioactivity was detected in the bacteria. Next, other phages containing radioactive protein were allowed to infect bacteria, and radioactivity was not detected in the bacteria. These experiments led to the conclusion that __________.A) DNA is made of nucleotides
B) genes carry information for making proteins
C) the genes of this phage were made of DNA
D) bacteriophages can infect bacteria
Biology
1 answer:
kumpel [21]3 years ago
7 0

Answer:

In an important experiment, radioactively labeled bacteriophages were allowed to infect bacteria. In the first trial, the phages contained radioactive DNA, and radioactivity was detected in the bacteria. Next, other phages containing radioactive protein were allowed to infect bacteria, and radioactivity was not detected in the bacteria. These experiments led to the conclusion that  

genes carry information for making proteins

Explanation:

It is a known fact that genes carries information for making proteins which are passed from parents to offspring. These forms the basis of hereditary

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When a person drinks alcohol, the rate of urination increases. This suggest that antidiuretic hormone (ADH) may be affected by a
Ulleksa [173]

Answer:

d. alcohol inhibits the release of ADH

Explanation:

Alcohol play an opposite role in water reabsorption. ADH is made in supraoptic nuclues of hypothalamus and transfers fby neuron to posterior pituatry where it gets stored and secreted. Alcohol stops the release of ADH from posterior pituatry which decreases the serum level of ADH. As the ADH level lowers it wont be able to reabsorb water from the distal/collecting tubules of kidneys leading to increase in urine volume and urination.

4 0
4 years ago
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A plant reaches its adult stage when _____. it begins photosynthesis it is fertilized it is ready to reproduce the plant parts b
Papessa [141]

A plant reaches its adult stage when it is ready to reproduce.

 

The statement “All plants reproduce several times before dying” is true. The answer is letter A. Plants can reproduce several times as long as it has the gametes needed for reproduction.

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3 years ago
How is the relationship of the unicellular organism with homeostasis?
natulia [17]

Answer:

To maintain homeostasis, unicellular organisms grow, respond to the environment, transform energy, and reproduce. The cells of multicellular organisms become specialized for particular tasks and communicate with one another to maintain homeostasis. ... Active transport requires energy.

6 0
3 years ago
A(n) ___ signal carries information by copying an original sound
crimeas [40]

I am pretty sure the answer you're looking for would be Analog


I hope this helps:) Have a great day!!

6 0
4 years ago
At one time, Chondrichthyes were thought to have diverged from other vertebrates before the evolution of bone. Now we have concl
Ray Of Light [21]

Answer:

The correct answer would be - Characteristics can be lost in evolution.

Explanation:

The new evidence helps in developing a new hypothesis. In this case, new evidence proved that the Chondrichthyes diverged after the evolution of bone had started instead of before the evolution started. This process called atavism where an ancestral genetic trait reappears after having lost. This leads to loss of the traits in the evolution

This can take place by knocking the mutation out to overriding the gene by the old gene or overriding the new trait by the old trait during the evolution period.

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