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Sever21 [200]
3 years ago
10

NEED HELP ASAP WILL GIVE YOU BRAINLIEST ANSWER AND 50 POINTS!!!!!!

Biology
2 answers:
vfiekz [6]3 years ago
7 0

Answer: you didn't write the whole question how are we supossed to help you???

Explanation:

Stella [2.4K]3 years ago
6 0

I don't understand, what is the question you're supposed to answer?

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A bacteria culture starts with 200 bacteria and in 1 hour contains 400 bacteria. How many hours does it take to reach 2000 bacte
RSB [31]

Answer:

At 0hr it was 200 bacteria

At 1 hr it doubled and was 400

Means: at every 1 hr the population of the bacteria doubles

400 bacteria = 1hr

2000 bacteria = X

X = 2000 × 1 / 400

X = 5 hrs

7 0
2 years ago
How many dna molecules are present in your diploid cells
Tcecarenko [31]

Answer:

92 molecules

Explanation:

DNA or Deoxyribosenucleic acid is polynucleotide made up of several nucleotides containing the genetic information of an organism. In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA, tightly coiled many times around proteins called histones to support its stucture.

Human cells, like myself, contains 23 pairs of chromosomes (46 chromosomes in total). Each pair coming from each parent. Each chromosome is formed by two strands of DNA held together by hydrogen bonds forming the DNA double-helical structure. These two DNA strands form a base pair, which is a unit of two nucleotide bases bound to each other by hydrogen bonds. According to the complementary base pairing rule, Adenine (A) pairs with Thymine (T) while Guanine pairs with Cytosine (C).

Since there are 46 chromosomes in a diploid human cell and each chromosome consists of 2 DNA strands, then, there are 46 × 2 = 92 strands/molecules of DNA in each human diploid cell.

7 0
3 years ago
Lesson 19: Evolution Unit Review
tia_tia [17]
Https://quizlet.com/668110/chapter-19-evolution-review-flash-cards/
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Which letter in the rock cycle diagram represents metamorphic rock? 0) A) B) B C) D D)​
LiRa [457]

Answer:

I'm not sure have you tried to or attempt it

6 0
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Which of the following is NOT an example of a fungus?
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The answer is Soured milk I believe
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