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ale4655 [162]
3 years ago
5

What is the function of histones- proteins that aide in dna replication

Biology
1 answer:
makkiz [27]3 years ago
6 0

Answer:

Nucleosomes in turn are wrapped into 30-nanometer fibers that form tightly packed chromatin. Histones prevent DNA from becoming tangled and protect it from DNA damage. In addition, histones play important roles in gene regulation and DNA replication. Without histones, unwound DNA in chromosomes would be very long.

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The amount of energy required to heat 0.5 kilograms of water until the temperature increases 12° C is about
Bogdan [553]

Answer:

Q = 25104 / 4.184 = 6000 Calories or 6 Kcal

Explanation

Energy can be calculated by the equation

Q = m x Cp x delta T

where

m = mass = 0.5 kg

Cp = specific heat of water = 4184 J

Delta T = 12 degrees

Multiplying all

Q = 0.5 x 4184 x 12 = 25104 Joules

Converting it to Calories

Q = 25104 / 4.184 = 6000 Calories or 6 Kcal

4 0
3 years ago
Organs combine to form______.
Allisa [31]
Organs combine to form C. an organ system

hope this helps
5 0
3 years ago
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Fdsci 101 what general trend do you observe relative to the masses of these species? question 3 options: all species basically h
Alexandra [31]

The third and last option is correct.


Species in the past (referring to dinosaurs) were more massive.

\bf~CO_{2} levels where higher in the past, which meant that plants prospered during that time since they had a easy access to food. That contributes to the fact that herbivores could grow bigger because there was more food. Which in turn, increases the size of early carnivores which eat bigger herbivores.




Hope it helped,


Happy homework/ study/ exam!

5 0
3 years ago
The scientific theory of _________ states that populations change over time in response to changes in the environment.
ad-work [718]
Hello there ^ _ ^

I believe the answer is : A - Evolution

Good luck!
7 0
3 years ago
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Explain how the use of a chemical designed to kill grasshoppers could reduce the population of peregrine falcons.
Butoxors [25]
Peregrine falcons have a wide diet, including many types of smaller birds. These birds eat bugs like grasshoppers. So, if the grasshopper population decreases, then the birds who are a food source to peregrine falcons will also have a lower population. This means that there is a lesser amount of food for the peregrine falcons to eat, so their population will decrease as well. 

Good luck with your problems!
6 0
3 years ago
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