David's user avatar
David's user avatar
David's user avatar
David
  • Member for 7 years, 9 months
  • Last seen this week
6 votes
Accepted

Do non-functional (‘junk’) protein sequences exist?

6 votes

"Immortal Genes" common to all organisms?

6 votes
Accepted

How does aminoacyl-tRNA synthetase recognize different tRNAs?

6 votes

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

6 votes
Accepted

Why is glycerol kinase absent from adipocytes but present in the liver?

6 votes

Examples of enzymes working in reverse?

6 votes
Accepted

What is an isolated beta bridge?

6 votes

Why do animals excrete excess nitrogen instead of recycling it?

6 votes
Accepted

What is meant by translational repression by an upstream open reading frame?

6 votes
Accepted

How to determine the most likely reading frame of a DNA sequence?

6 votes
Accepted

Can an infectious diseases come from a plant?

6 votes
Accepted

Will obligate aerobic bacteria die if placed in a buffer solution even in the presence of oxygen?

6 votes
Accepted

Why are fatty acids synthesized in two carbon units?

6 votes

RNA polymerase Sigma subunit: transcription factor, coenzyme, or what?

6 votes
Accepted

Apparent paradox in Glucagon action

6 votes
Accepted

Pyruvate dehydrogenase: Apparently anomalous NAD/FAD redox reaction

6 votes

How do G proteins move?

6 votes
Accepted

Is there an equivalent to vertebrate endogenous retroviruses in invertebrates or microbes?

6 votes
Accepted

Does the ribosome have protein kinase activity?

6 votes

Relative abundance of transcription factors and protein kinases

6 votes
Accepted

Why is ATP hydrolysis to ADP, rather than ADP hydrolysis to AMP, used to drive biochemical reactions?

6 votes

Was lactose present in the environment before the evolution of mammals?

6 votes
Accepted

RNA polymerase and DNA helicase

6 votes
Accepted

How is it known that Homo sapiens and Homo neanderthalensis interbred?

6 votes
Accepted

Is the genetic term "polycistronic" still used in modern biology?

6 votes
Accepted

Why is urea not converted to ammonia in the body?

5 votes
Accepted

Mitochondrial Genetic code

5 votes

Do all prokaryotes have ATP synthases and an electron transport chain?

5 votes
Accepted

Significance of upper-case, lower-case and Ns in UCSC DNA files

5 votes
Accepted

Can lactate be created in ketosis?

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