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svet-max [94.6K]
3 years ago
13

A community is composed of

Biology
1 answer:
aliya0001 [1]3 years ago
4 0
The answer you’re looking for is 3
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What scientist is credited with taking the first picture of DNA using X-ray? I'll give the crown thingy to whoever is right
oksano4ka [1.4K]

Answer: Rosalind Franklin

Explanation: Rosalind was the first oerson to get a picture while Watson and Crick came up with the strusture and won the nobel piece prize

5 0
3 years ago
Please help no copying i need this in less than 30 minutes please helppppppppppppp
wlad13 [49]
Carbon dioxide is released. Here is a diagram...

8 0
3 years ago
How does diploidy help to preserve genetic variation? see concept 23.4 (page 498)?
mario62 [17]
Monoploid organisms reproduce asexually since they need to transmit all of their genetic material to their offspring. Diploid organisms, have 2 copies of their genetic material that differ slightly in their genes. Since the progeny gets half of the DNA from each parent, we have that new combinations can emerge; for example, if the mother is AA for some allele and the father aa, their offspring will be Aa, a new genotype. This might have different implications (for example, the recessive gene for thalassemia also provides resistance to malaria). Finally, during meiosis, there is also an event called crossover that increases the genetic variation of the offspring.
3 0
3 years ago
If ammonia is used as an energy and electron source by a bacterium, that bacterium would be considered a ___.
zhuklara [117]

If a bacterium uses ammonia as an energy as well as electron source, it is classified as lithotrophic chemotrophic.

<h3>Descriptive terms for lithotrophic chemotrophic:</h3>

Humans, fungi, and also many prokaryotes are chemotrophs that get their energy from organic chemicals. Lithotrophs are chemotrophs that obtain energy from inorganic substances such as hydrogen sulfide (H2S) as well as reduced iron. Lithography is a microbiological phenomenon that is unique in the globe.

<h3>What is the difference between chemoautotrophs and chemolithotrophs?</h3>

Chemotrophs are creatures that get energy from their surroundings by oxidizing electron sources. These compounds might well be organic (chemoorganotrophs) or inorganic (chemoorganotrophs) (chemolithotrophs). The term chemotroph is used in contrast to phototroph, which uses solar energy.

To know more about chemotrophic visit:

brainly.com/question/765577

#SPJ4

3 0
1 year ago
In this lab, we'll be using PCR to make many copies of a small region of your personal DNA genome. It is a very bad idea to touc
Luden [163]
Sounds like a trick question.

Maybe not. contamination is easy, but gloves are a barrier between other organic material on yourself (such as what you ate for lunch) and what you are testing.

Other than the fact your DNA will be different than another person’s DNA, if we assume you are theoretically free of debris of any kind, then your DNA would test the same always.

Note: any contamination after purifying extract for a small sequence can give false positives. There are repeat sequences possible that would interfere if you are testing a small enough sequence.

I hope that helps!
4 0
3 years ago
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