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Harlamova29_29 [7]
3 years ago
8

I really don’t know the answer. Pleasee don’t just answer for points.

Biology
2 answers:
vlada-n [284]3 years ago
6 0

Answer:

ans:D

Explanation:

I can see down copy is illegal

Art [367]3 years ago
3 0

C is the only one that makes the most sense.

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You spread 0.1 mL volume of a 10^(-5) dilution onto a nutrient agar plate. After 24 hours of incubation at 37°C, there were 223
Sidana [21]

Answer:

The correct answers are 2.23 * 10^8 CFU/ml and 2 colonies.

Explanation:

Based on the given information, 0.1 ml is the amount of bacterial culture plated, 10^-5 is the dilution factor and the number of bacterial colonies produced is 223.  

A) 223 is the number of colonies produced when 0.1 ml of the culture is plated. Therefore, the number of colonies produced when 1 milliliter of bacterial culture plated us (223/0.1)*1 = 2230

The calculation of the CFU/ml is done by using the formula,  

CFU/ml = Number of colonies per ml plated / dilution factor

Thus, 2230/10^-5

= 2230 * 10^5 or 2.23 * 10^8 CFU/ml

B) The number of colonies, which would grow on a plate, which is inoculated with 0.1 ml volume of 10^-7 dilution from the similar bacterial stock will be calculated as,  

CFU/ml = Number of colonies per ml plated/ dilution * volume plated.  

2.23 * 10^8 CFU/ml = Number of colonies per ml plated / 10^-7 * 0.1

Number of colonies per ml plated = 2.23 * 10^8 * 0.1 / 10^7 = 2.23 or 2 colonies.  

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3 years ago
What is the highest point of a wave
rodikova [14]
The crest Is the highest point of the wave.
4 0
4 years ago
The backbone of the double helix has an alternating molecules. what do you call these alternating molecule?
aivan3 [116]

This backbone is composed of alternatingsugar and phosphate groups, and defines directionality of the molecule. Thesebonds are called phosphodiester bonds, and the sugar-phosphate backbone is described as extending, or growing, in the 5' to 3' direction when the molecule is synthesized.

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4 years ago
I NEED HELP PLS!!!! I WILL MARK AS BRAINLIEST!!!
True [87]

Answer:

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Explanation:

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Why does your choice of garden plants affect the water consumption of<br> your household?
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