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san4es73 [151]
3 years ago
7

Answers please?????????

Biology
1 answer:
Andreas93 [3]3 years ago
3 0
9. answer: enzymes are made of the macro molecule PROTEIN
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True / Fasle
nydimaria [60]

Answer: True, both of the given statements are true.

Explanation:

1. Nearly all the environment contains microorganism whether it is soil, air, water or any other surface. They have the ability of live in the extreme conditions.

There are different forms of bacteria found at different places. Some of them are thermophiles that at found in extremely hot conditions such as thermal vents.

The organism like Psychrophiles are the microorganisms that have the ability to survive at lower temperatures. Example: bacteria found in polar regions.

2. A culture can be defined as a pure culture if it has an unadulterated species of bacteria. It has no contamination and if a small inoculum from the pure sample is streaked on a plate then a pure culture of the sample is obtained.

This should be done in an aseptic condition so that the bacterial species should be free from contamination.

4 0
3 years ago
Why do you think millions of sperm are needed to fertilize one egg?
galben [10]
Millions of sperm are needed because most of them don't make it up there to the egg. So i'm thinking maybe more sperm means the higher chance of the egg being fertilized.<span />
5 0
2 years ago
How are we reducing the biodiversity as humans
Andreyy89

Answer:

The increase in the human population and waste it produces, deforestation , peat bog destruction and global warming are all reducing biodiversity

Explanation:

7 0
3 years ago
Read 2 more answers
The oak tree fungal pathogen, Phytophthora ramorum, has migrated 800 kilometers in 15 years. West Nile virus spread from New Yor
asambeis [7]
First blank: The mobility of their hosts same goes for the second one :)
4 0
3 years ago
The rough endoplasmic reticulum is a cell structure that consists of folded membranes that contain ribosomes. What is the advant
attashe74 [19]

Answer:

B

Explanation:

The folds contain ribosomes attached to the membrane. The more the folds the more the surface area to which more ribosomes can attach. The ribosomes are organelles responsible for the manufacture of protein in cells. Thereafter, the proteins are properly folded by the mediation of chaperones in the lumen of the RER.

6 0
3 years ago
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