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Bess [88]
3 years ago
7

DNA within cells is usually wrapped around histone proteins to form a complex structure called chromatin. Describe how chromatin

is important for cells during mitosis and meiosis.
Biology
1 answer:
user100 [1]3 years ago
7 0

Answer:

Chromatin helps regulate DNA replication.

Explanation:

Chromatin helps condense DNA strands to smaller units that can be easily managed during DNA replication and gene expression. This also prevents the breakage of the strands and facilitates equal distribution of chromosomes during cell division (during mitosis and meiosis).  

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Please help me, In your opinion ( I'll give Brainliest):
MrMuchimi

I think this depends on you  because it your choice for yourself but I'll just state some information or facts about this career.

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6 0
3 years ago
Read 2 more answers
After suffering a brain injury by falling from a ladder, Zack's wife continues to tell the doctor that his personality has chang
scZoUnD [109]

Answer:

The answer is D.

Explanation:

According to the information given in the example, Zack is most likely to have suffered damage to his brain's frontal lobe becasue of the symptoms that he show such as a change of personality. Frontal lobe is located at the front of the brain and it is responsible for controlling functions such as judgements, decision making, personality traits, emotions and memory which are all among the most important things for someone to function properly. So the correct answer is D.

I hope this answer helps.

7 0
3 years ago
What does it mean for cells to be in equilibrium
kolezko [41]

Answer:

rotation at the same time

Explanation:

8 0
3 years ago
Why the energy of the product might be lower than the energy of the reactants
Amiraneli [1.4K]
A reaction in which heat energy<span> is absorbed is said to be endothermic. You </span>can<span> show this on simple </span>energy <span>diagrams. For an exothermic change: Notice that in an exothermic change, the </span>products<span> have a </span>lower energy than<span> the </span>reactants<span>.</span>
3 0
3 years ago
Read 2 more answers
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.  

8 0
3 years ago
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