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Iteru [2.4K]
4 years ago
15

How can you tell if something is living when you are looking at it through a microscope?

Biology
1 answer:
olya-2409 [2.1K]4 years ago
4 0
A dead cell has a compromised cell membrane, and it will allow the dye into the cell where it will bind to the DNA and become fluorescent. The dead cells therefore will be positive and the live cells will be negative....
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Prosecutors are showing DNA evidence to a courtroom. They present an enlarged picture of an electrophoretic gel that contains ba
blagie [28]

Answer:

DNA profile.

Explanation:

DNA fingerprinting may be defined as a technique  used to determine the individuality of the individual basis on the unique DNA sequences. DNA fingerprinting is used to find the criminals.

The agarose gel electrophoresis is used to visualize the DNA sequences of the individual. The short tandem repeats are involved in identifying the unique sequences. The picture contains STRs in a suspect's DNA and STRs in the perpetrator's DNA. The picture shows the DNA profile of the perpetrator and suspect.

Thus, the answer is DNA profile.

6 0
3 years ago
True or false questions
Eva8 [605]

Answer:

A. true

B. false

C. true

D. true

E. true

Explanation:

A. it works kind of like a door lock they have a specific alignment in which it can fit only the complimentary substrates.

B. their shape isn't affected by the reaction. however their structure can be affected due to constant reuse.

C. they are biological catalysts that break down bonds which helps in making digestion faster.

D. for example: digestion, neutralization...

E. pH can affect the enzyme's shape which will slow it down, temperature can help the enzyme work faster however if it gets too high it will affect the enzyme's shape.

4 0
3 years ago
Read 2 more answers
I need to know 3 things in the human body smaller than a cell
Sedbober [7]
The organelles and substances inside the organelles are smaller. On a molecular level a group that are smaller are hadrons, which are the group of particles that consist of protons and neutrons. Even smaller than hadrons are leptons, which consist of neutrinos, electons, and MANY others.
8 0
3 years ago
Land____is a hazard in which an area of land sinks down due to the removal of underground material
Anuta_ua [19.1K]
The answer to the question ; Land ____ is a hazard in which an area of land sinks down due to removal of underground material is letter B. The Subsidence. So we should read it as, The  land subsidence is a hazard in which area of land sinks down due to removal of underground material. B, Subsidence.
8 0
4 years ago
What role do white blood cells perform in a human body? clotting blood conducting electrical impulses secreting enzymes carrying
DENIUS [597]

defends body against infections so probobly secreting enzymes

7 0
3 years ago
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