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3 years ago

Which nitrogen bases are complementary to each other

Biology

1 answer:

storchak [24]3 years ago

7 0

Answer:

Adenine and guanine are purines, while thymine, cytosine and uracil are pyrimidines.

Hope this helps! Sorry no one answered your question sooner :(

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PLZ HURRY IT'S URGENT!!!!

Alla [95]

a because the marble changed its position quickly meaning that it was in motion

6 0

3 years ago

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In guinea pigs hair straightness or curliness is thought to be governed by a single pair of alleles showing incomplete dominance

Nimfa-mama [501]

Answer:

Frequency of allele S is p $= 0.4939$

Frequency of allele C is q $= 0.666$

The population is not in Hardy-Weinberg equilibrium

Explanation:

Given -

Number of individuals with straight hair $= 244$

Number of individuals with curly hair $= 444$

Number of individuals with Wavy hair $= 312$

Let "p" represents the frequency for allele for straight hair and "q" represents the frequency for allele for curly hair

$p^2$ represents the frequency of genotype "SS"

$p^{2} = \frac{244}{1000} \\= 0.244$

$q^2$ represents the frequency of genotype "CC"

$p^{2} = \frac{444}{1000} \\= 0.444$

$2pq$ represents the frequency of genotype "SC"

$2pq = \frac{312}{1000} \\= 0.312$

Frequency of allele S is p

$= \sqrt{0.244} \\= 0.4939$

Frequency of allele C is q

tex]= \sqrt{0.444} \\= 0.666[/tex]

For being in Hardy Weinberg's equation-

$p+q=1\\$

Substituting the values in above equation, we get -

$0.4939+0.666\neq 1$

hence, the population is not in Hardy-Weinberg equilibrium

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3 years ago

About 99% of the solid Earth is made up of

Helga [31]

Answer: c

Explanation: it dose not matter

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3 years ago

Which one of the following statements holds true for the induced-fit model?

icang [17]

The statement is once the enzyme binds to the specific substrate molecule, structural changes can occur in the active site to accommodate the product.

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3 years ago

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All cells are surrounded by a cell membrane. Which statement is NOT an accurate description of a cell membrane? a Regulates what

Novosadov [1.4K]

Answer:

The correct answer is - b. Responsible for the formation of ATP

Explanation:

The cell membrane is the outer membrane of all types of the cell including eukaryotic, and prokaryotic cell. The cell membrane surrounds the cytoplasm and cell organelles.

The cell membrane is made up of phospholipids that have a hydrophilic and hydrophobic region in the lipid bilayer. The main function of the cell membrane is to protect the cell, provide support, and regulation what enters and leaves the cell. ATP formation is not produced by the cell membrane.

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3 years ago