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Oxana [17]
3 years ago
11

On the outside of the plasma membrane? Acts as signals or makers to help cells recognize one another

Biology
1 answer:
Ulleksa [173]3 years ago
8 0

Outside the plasma membrane there is presence of glycoprotein which is a series of polysaccharides to form the cell coat and is used for ID or cell recognition. Each individual has a unique special code for the glycoprotein.

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How many molecules of carbon dioxide result from the breakdown of one molecule of glucose in aerobic respiration?
Fittoniya [83]
When glucose breaks down during aerobic respiration six carbon dioxide molecules result of the reaction, along with six water and six oxygen. <span>C6H12O6 + 6O2 → 6CO2 + 6H2O "

"Ben solo was weak I finished him" -Kylo ren.</span>
6 0
3 years ago
Place the steps in the proper order that you would follow when you are aseptically subculturing Staphylococcus aureus on a trypt
max2010maxim [7]

Answer:

1) Sterilize the loop.

2)Flame lip of TSS culture with <em>S. aureus</em>.

3) Remove some bacteria from surface of TSS culture with <em>S. aureus.</em> Remove loop.

4)Flame lip of TSS culture with <em>S. aureus</em>.

5)Flame lip of broth culture tube.

6) Dip loop into sterile TSB and swirl. Remove loop.

7)Flame lip of broth culture tube.

8) Sterilize the loop.

Explanation:

The aseptic technique is a s<u>eries of steps to prevent contamination during manipulations of cultures and sterile culture media</u>. A mastery of aseptic technique is required for maintaining pure cultures, as airborne contaminants are virtually everywhere. Picking an isolated colony and restreaking it is the main method for obtaining pure cultures from liquid samples containing several different organisms and is a common procedure in the microbiology laboratory. Other techniques for obtaining pure cultures have been developed that are especially suited for particular groups.

3 0
3 years ago
All the organ systems work together to make up _________.
Free_Kalibri [48]
All the organs systems work together to make up <span>organism. 

Hope this helps.</span>
3 0
3 years ago
The contraction cycle is triggered by the rise in ________ released from the sarcoplasmic reticulum (sr).
LiRa [457]
Q. The contraction cycle is triggered by the rise in ________ released from the sarcoplasmic reticulum (SR).


A. Ca2+

~~

I hope that helps you out!!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey
8 0
2 years ago
What is the Cas9 enxyme used for?
frez [133]

Answer:

RNA

Explanation:

CRISPR system was discovered by a Japanese scientist. Naturally bacteria and many other prokaryotes have CRISPR system in their genome which they use as a self defense against a pathogen which is invading them. It consists of inter spaced, short palindromic nucleotide repeats which encode a guide RNA (gRNA). This guide RNA (gRNA) recognizes the target sequence on the pathogen. The gRNA is followed by Cas9 enzyme which along with the gRNA plays a very important role in breaking genome of the pathogen. Once the target gene is cut down the rest of the DNA can be rejoined by non homologous end joining.

But nowadays, scientists are using this system for genome editing and incorporating desired gene between the two ends which are cut down by CRISPR Cas9 system.

7 0
3 years ago
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