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Biology
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David's user avatar
David's user avatar
David
  • Member for 8 years, 7 months
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623 Answers

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9 votes
Accepted

Why is uracil, rather than thymine, used in RNA?

8 votes

Are there known life forms that are able to transform mechanical energy into chemical energy?

8 votes
Accepted

Why do red blood cells maintain Iron in the Haem group in the +2 (ferrous) oxidation state?

8 votes
Accepted

How do major and minor grooves arise in the DNA helix?

8 votes
Accepted

Can ribosomes read ssDNA?

8 votes

Why are C4 plants mainly tropical plants?

8 votes
Accepted

Backbone hydrogen bonds between adjacent amino acids in a protein?

8 votes

Why is ammonia converted to urea rather than secreted in the urine?

8 votes
Accepted

Why use two stop UGA codons instead of one in the spike protein mRNA for the BioNTech/Pfizer SARS-CoV-2 vaccine?

8 votes
Accepted

Understanding the use of English tenses in biological journal articles

8 votes

Why are there two replicase proteins translated from tobacco mosaic virus RNA?

8 votes
Accepted

What do the colors mean in representations of amino acids?

8 votes
Accepted

What's the term for "Amino acid regulating the expression of components used to synthesize it"?

8 votes
Accepted

The nitrogen cycle

8 votes
Accepted

According to an online course, ribose and adenine can bond to make ATP. Is this true?

7 votes
Accepted

What is the function of dihydrofolate reductase in humans?

7 votes

What is the energy of activation of uncatalyzed ATP hydrolysis reaction? Say in aquous solvent?

7 votes

Is there any disease that is proven to originate from malfunction of alternative splicing or post translation changes in the genome?

7 votes
Accepted

Introns and miRNA

7 votes

What determines whether a reaction using ATP produces ADP or AMP?

7 votes

Why is it thought that protein folding is determined solely by amino acid sequence?

7 votes

Is there a measure of human genetic variation, where human genetic variation can differ more than 1%?

7 votes

Why is the GenBank entry for the genomes of RNA viruses like coronavirus written as DNA?

7 votes
Accepted

Names and abbreviations in biology

7 votes
Accepted

Program (on Mac) to show 3D protein structures?

7 votes
Accepted

Structure of mitochondrial ribosomes

7 votes

Why deoxyribose for DNA and ribose for RNA?

7 votes
Accepted

Why do mitochondria have a phospholipid bilayer?

7 votes
Accepted

What direction is a sequence in databases written?

7 votes
Accepted

Violation of the law of energy conservation between photosynthesis and respiration?

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