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avanturin [10]
3 years ago
9

How did telephone invention changed the world​

Biology
1 answer:
vitfil [10]3 years ago
3 0
Telephones made it easier for people too communicate with each other in different areas or across the world
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For a science fair project, two students decided to repeat the Hershey and Chase experiment, with modifications. They decided to
Reptile [31]

Answer: E. Amino acids (and thus proteins) also have nitrogen atoms; thus, the radioactivity would not distinguish between DNA and proteins.

Explanation:

The Hershey-Chase experiment, is an experiment that demonstrated that the genetic material of phage isn't protein but rather it's DNA.

Based on the information given in the question, the experiment will not work because amino acids (and thus proteins) also have nitrogen atoms; thus, the radioactivity would not distinguish between DNA and proteins.

Therefore, the correct option is E.

4 0
3 years ago
which of the following is not a function of the cell membrane. cellular respiration, import food and oxygen, export proteins and
seropon [69]
I believe the answer you're looking for is cellular respiration.
8 0
3 years ago
How long ago did water form on earth
slega [8]

4.6 billion years ago

The study pushes back the clock on the origin of Earth's water by hundreds of millions of years, to around 4.6 billion years ago, when all the worlds of the inner solar system were still forming. Scientists had suspected that our planet formed dry, with high-energy impacts creating a molten surface on the infant Earth.

i hope this helped, have a nice day! (o:

5 0
3 years ago
Microbes formed sheets that were able to capture layers of sediment, which formed the Earth's first soil.
Luden [163]

Answer:

Microbial mats.

Explanation:

Microbes formed sheets that were able to capture layers of sediment is called microbial mats. These mats of microbes provide good fossil evidence to the researchers. These microbial mats consist of bacteria and archaea which is considered the earliest form of life on earth. These microbial mats grow on moist places as compared to dry environment. About 3,500 million years ago, these microbes are the most important members of earth and maintainers of the ecosystems.

6 0
3 years ago
HELP I NEED HELP ASAP
zhannawk [14.2K]

Answer:

The answer would be A because it would decrease

4 0
2 years ago
Read 2 more answers
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