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3 years ago

What is the building block of all Nucleic Acids?

Biology

1 answer:

DaniilM [7]3 years ago

3 0

Answer:

A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.

Explanation:

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Carriers of the sickle-cell allele (i.e. those with a heterozygous genotype) are fittest in environments with high frequencies o

Ostrovityanka [42]

Individuals who are heterozygous for the sickle-cell allele suffer less from the attack of malaria because a small percentage of the red blood cells are sickle-shaped. They are more resistant to malaria than individuals who have two copies of the normal haemoglobin allele. Heterozygous individuals have a better chance of surviving and reproducing in regions where malaria is prevalent since they do not fully contract the disease.

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3 years ago

Which object is created during the formation of a star?

yan [13]

Answer:

i think it's protostar

Explanation:

........

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The Concentration Of A Sugar Is High Inside A Cell And Slightly Lower Outside The Cell. What Is Most Likely To Occur If The Suga

bearhunter [10]

The sugar would leave the cell or water molecules would come into the cell

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3 years ago

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The mean resting pulse rate for men is 72 beats per minute. a simple random sample of men who regularly work out at mitch's gym

tamaranim1 [39]

Claim: the mean resting pulse rate for men is less than 72 bpm.

Symbolic form would be: μ < 72

Step 1: null hypothesis : μ > = 7 2 b p m

Step 2: alternative hypothesis: μ < 7 2 b p m

Step 3: the test statistic is z = mean – μ / standard dev/sqrt (n) = -3/4 / 1.7639 = -1.92

Step 4: c v method: since z α = -1.645, the test static is z = -1.92 is less than the CV, we reject null hypothesis

P Value method: area is 0.0274, since the p value is <= α, reject null hypothesis.

Step 5: the sample data support the claim that the mean resting pulse rate for men is less than 72 bpm.

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3 years ago

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Body Type: DNA code- AGTGCCTTC RNA code- ___________ Amino Acid sequence (aka protein)- ___________________ Body Type?- ________

olga2289 [7]

Answer:

The correct answer would be:

mRNA sequence - UCACGGAAG,
amino acid sequence - Ser-Arg-Lys, and
body type - dwarf

By central dogma, we know that nucleotide sequence of deoxyribonuceic acid (DNA) form the amino acid sequence of a polypeptide chain.

Nucleotide sequence of DNA is first decoded in the form of nucleotide sequence of mRNA (messenger ribonucleic acid) under the process of transcription. The sequence of RNA is complementary to the nucleotide sequence of template strand of DNA. In addition, uracil is present in RNA in place of thymine.

tRNA (transfer RNA) then deciphers the codon sequence of mRNA into amino acid sequence of polypeptide sequence by the process of translation.

Now, given DNA sequence is AGTGCCTTC.

so, the mRNA sequence would be UCACGGAAG.

Codon sequence is UCA CGG AAG.

So, the amino acid sequence would be Ser-Arg-Lys.

Hence, the trait of showman performer would be dwarfism.

Codon sequence chart is attached for reference.

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3 years ago