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Fudgin [204]
3 years ago
5

The rungs or steps of DNA are made up of ____ which are attached to the sides or railings of DNA, which are made up of ___.

Biology
2 answers:
Sauron [17]3 years ago
8 0
Rungs are made up of nitrogenous bases

railings are made up of deoxyribose and phosphate
e-lub [12.9K]3 years ago
8 0
Answer 1- Deoxyribose sugars. answer 2- Phosphate groups.
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The closing of a plants stomata will
dusya [7]
The closing of a plants stomata will prevent plants from taking in (Carbon dioxide) or co2; Without co2, plants cannot make carbohydrates, and plants can only obtain this critical molecule (carbohydrates) when stomata are open. Hope this helps ya out :)
4 0
3 years ago
What anesthetic do you think should be used for diana's surgery? explain your reasoning?
Rom4ik [11]

The anesthetic that should be used is Propofol.  Propofol would be the ideal choice for this long operation, the patient would be put to sleep and feel no pain so the surgeon can proceed with the operation and Propofol is used to help you relax before and during general anesthesia for surgery or other medical procedure and critically ill patients who require a breathing tube connected to a ventilator. 

3 0
3 years ago
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Where in the fossil record would you expect to see older common ancestors
Murrr4er [49]

Answer:

hii

Explanation:

what are you doing

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7 0
3 years ago
Genetic variation among humans is relatively small when compared to other species. Where in the human genome does most of the di
worty [1.4K]

The genetic variations seen in and between populations are known as human genetic variation.

Humans differ genetically from one another. Due to developmental mutations and gene copy-number variation, even monozygotic twins, who arise from a single zygote, may differ genetically. Techniques like genetic fingerprinting rely on individual differences, even between closely related people.

There are 324 million identified variations from sequenced human genomes as of 2017.

A person's genome typically differs from the reference genome by 20 million base pairs, or 0.6% of the total 3.2 billion base pairs, as of 2015.

In contrast to other species, humans are genetically uniform. While a limited number of genetic variations are found more commonly in particular geographic regions or in individuals with ancestry from those places, this variance accounts for the majority of genetic variation.

Genetic variation between populations occurs for at least three reasons. If an allele offers a competitive advantage, natural selection may endow people with an adaptive advantage in a particular environment.

Learn more about genetic variations is visit here;

brainly.com/question/848479

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5 0
2 years ago
Black bears live is many different habitats. What is one abiotic feature of the black bears habitat, no matter where it lives?
Tom [10]

Answer:

I think it's C: Water

Sorry if I'm wrong:(

Explanation:

I think it's water because it says abiotic feature and abiotic means non-living, although the water has living animals and bacteria in it, the water itself isn't living.

7 0
3 years ago
Read 2 more answers
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