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Tatiana [17]
3 years ago
11

Describe DNA replication

Biology
1 answer:
Molodets [167]3 years ago
7 0
<span>DNA replication begins with the "unzipping" of the parent molecule as the hydrogen bonds between the base pairs are broken. Once exposed, the sequence of bases on each of the separated strands serves as a template to guide the insertion of a complementary set of bases on the strand being synthesized.</span>
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A diagram of the carbon cycle is shown to the left.
fredd [130]

Answer:

b

Explanation:

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What are the similarities between living and non living things​
BlackZzzverrR [31]

both having gravity, you can touch and see both of it. It also possible if microorganisms can live on both of them.

They both have shape also.

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3 years ago
Sixty flowering plants are planted in a flowerbed. forty of the plants are red-flowering homozygous dominant. twenty of the plan
myrzilka [38]

Answer:

The flowering population is in Hardy Weinberg equilibrium.

Step by Step Explanation:

Total initial population size = 60

As both the populations are homozygous so the frequency of alleles will be,

P = 80/120= 0.66

q = 40/120= 0.33

The predicted frequencies for genotypes once the population has reached Hardy-Weinberg

p2 = 0.4356

2pq= 0.4356

q2 = 0.1089

The number of plants with each type of flower in a papulation of 420 is,

Homozygous dominant= 185

heterozygous= 185

Homozygous recessive= 50

Chi square analysis:

The observed values for red-flowered plants, pink-flowered plants, and white-flowered plants are not significantly different from the expected values predicted by Hardy Weinberg equilibrium.

Phenotype      observed(o)    expected (e)          (o-e)2/e

Red                        178                 185                       0.26

Pink                       190                 185                       0.135

White                     52                   50                     0.08

                                       chi-square = 0.474

With 2 degree of freedom this chi-square gives a p value of 0.7 - 0.8, which is not significant.  

0 0
3 years ago
Tissue engineering is the ability to grow cells in a laboratory. These cells are collected
erastovalidia [21]

The term engineering as used in the process of tissue engineering simply uses the principles of biomedical engineering to grow cells in the laboratory

  • This goes to say that tissue engineering helps to develop biological substitutes that replace or improve tissues and organs.

<h3>What is tissue engineering?</h3>

Tissue engineering can be defined as the process and ability to grow cells in a laboratory.

In conclusion, the term engineering as used in the process of tissue engineering simply uses the principles of biomedical engineering to grow cells in the laboratory

Learn more about tissue engineering:

brainly.com/question/24702243

#SPJ1

3 0
2 years ago
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