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Soloha48 [4]
2 years ago
14

Do you think saliva could also be used as a sample material in solving murder cases? motivate your answer​

Biology
1 answer:
DENIUS [597]2 years ago
8 0

Answer:

ryes, i think saliva could also be used as a sample material in solving murder cases because salva has ur dna in it it came from ur body and its like regular liquid for example blood on a murder seen they collect the blood to see if there any DNA. also in ataragating rooms most of the time they ask you to open up your mouth and they put a cotton swap and im pretty sure they do this because there getting the DNA in there mouth

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in which stages does plant species modify the environment, eventually making the way for other plants in the community
MissTica
Pollination stage is when plant modify the environment just saying I am a 6th grader so like I am not that smart so it might be very wrong
8 0
3 years ago
Which statement is true A.An organism is part of a community. B.Acommunity is part of population C.An ecosystem is made up of on
NikAS [45]
<h2>(A) is the correct option </h2>

Explanation:

  • An organism is part of a community is correct,where species interaction occurs between different organisms
  • A community is part of population is the incorrect statement because a community includes group of population of two or more different species
  • An ecosystem is made up of only organisms is the incorrect statement because ecosystem is the community of both living and non living components of the environment and how they interact with each other
  • A biome is the biotic part of an ecosystem is incorrect because biome includes the community of both plants and animals occupying a large habitat
4 0
3 years ago
A force that creates something must be _____.
otez555 [7]
A force that creates something MUST be constructive force so the answer will be B.
8 0
3 years ago
Read 2 more answers
A positive feedback loop causes a self amplifying cycle in which a physiological change leads to even greater change in the same
iVinArrow [24]

The given statement is TRUE.

A positive feedback loop causes a self amplifying cycle in which a physiological change leads to even greater change in the same direction.

A negative feedback loop is a process in which the body senses a change, and activates mechanisms to reverse that change.

What is a positive feedback loop?

In nature, a positive feedback loop happens when the outcome of a reaction increases that reaction. A positive feedback loop pushes a system further away from the equilibrium goal if we consider a system in homeostasis. It takes place when something needs to happen quickly and does this by enhancing the effects of a product or event.

<u>Example</u> : Ripening of fruit

In nature, there is a strange phenomenon when a tree or bush may suddenly and silently begin to ripen all of its fruit or veggies. This is the first instance of a beneficial biological feedback loop we've found. If we see an apple tree with many apples, they all appear to ripen over night, going from being unripe to ripe to overripe. The first apple to ripen will mark the start of this. It releases ethylene (C2H4) via its skin when it is ripe. The apples nearby ripen as a result of being exposed to this gas. As soon as they are ripe, they too begin to generate ethylene, which continues to ripen the rest of the tree in a manner akin to a wave.

To know more about positive feedback loop click on the link below:

brainly.com/question/19911791

#SPJ4

8 0
1 year ago
How do RNA's subcomponents affect its properties? (3 points) A. Adenine and cytosine bond with thymine and guanine, respectively
frozen [14]

Answer:

B. Base pairing occurs within an RNA molecule to give RNA the three-dimensional shape needed for specific functions.

Explanation:

Ribonucleic acid, known as RNA, is a type of nucleic acid found in living systems. In opposition to the other type of nucleic acid (DNA), RNA is a short single stranded molecule. Both DNA and RNA are made of nucleotides, composed of a phosphate group, nitrogenous bases and a pentose sugar.

The presence of ribose sugar and Uracil base in RNA instead of deoxyribose sugar and thymine base respectively structurally differentiates the molecule from DNA. However, base pairing occurs within the RNA molecule to form the three-dimensional shape of the RNA, which is key to the specificity of its function.

6 0
3 years ago
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