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miss Akunina [59]
3 years ago
7

Which of the following correctly identifies the proper nitrogen base pairing in DNA

Biology
1 answer:
weeeeeb [17]3 years ago
5 0

Answer:

A:T;G:C

Explanation:

adenine goes with thymine unless it's mRNA and it will go with uracil. guanine and cytosine always go together.

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A loopful of bacteria containing 1000 bacterial cells is inoculated into a nutrient broth and incubated. The culture was in lag
blsea [12.9K]

Answer:

The answer is A.

Explanation:

During logarithmic growth phase bacteria grows exponentially doubling every x minutes (x depends on the species). In this question doubling time/generation time is every 15 minutes and log phase takes 5 hours, which equals to the 300 minutes. During 300 minutes bacteria doubles 20 times (300/15 = 20) which equals 2^20. Bacteria culture has been started with 1000 bacterial cells so it must be added to the calculation therefore right answer is: 1000 X 2^20.

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3 years ago
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DerKrebs [107]

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The question wasn’t very specific, so I hope this helps.

Explanation:

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3 years ago
What does the sequence of DNA determine?
ArbitrLikvidat [17]

Answer:

It determines everything about you.

Explanation:

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3 0
3 years ago
A body is found in the woods completely naked. What effect (if any) might this have on algor mortis?
Kobotan [32]

Answer:

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7 0
3 years ago
This sequence represents a single mutation. mutation #1: 5' - | ggc | gcg | gta | tta | gcg | - 3' complete these sentences abou
Hatshy [7]
<span>Original:      5' - | GGC | GTG | GTA | TTA | GCG | - 3'
</span><span>Mutation#1: 5' - | GGC | GCG | GTA | TTA | GCG | - 3'
</span>
Answer choices: 
  - Transition
  - Transversion
  - Nonsense
  - Silent
  - Missense.
 
1- This mutant DNA sequence is the result of a ........ mutation. (Transition
  or Transversion)

The correct answer is transition mutation.
transverion mutation is when a prymidine base (T) was replaced by annother prymidine base (C).

2- The effect of this base substitution on the amino acid sequence results in a ........ mutation. 

The correct answer is a missense mutation.
This mutation is of T to C leads to amino acid subsitution of Alanine (GCG) instead of Valine (GTG).




5 0
3 years ago
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