07/05/19

What biological processes cause leaves to change colours in Autumn?
I am curious to learn what are the biological mechanisms that cause leaves of deciduous plants to change colour? What happens to the chlorophyll?What environmental phenomena (temperature/air... more
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06/25/19

What would be the consequences if there is no meiosis in organisms that reproduce sexually?
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06/25/19

Should a narrator ever describe things based on a character's view instead of facts?
There is something I find myself doing often while writing, and I don't even know what to call it, but I would like to know if its good practice. It happens when I'm writing from a third-person... more
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06/24/19

Transmembrane Protein Problem?
A transmembrane protein has 1000 aa. The 5th aa is found on the external side of the cell membrane. It interacts with the aqueous environment outside the cell. Amino acid 90 is inside the membrane... more
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06/21/19

Are STOP codons impacted by base insertion or deletion mutation?
I am learning about base insertion and deletion mutations. An example in my textbook is given below.GUU CCA CAU AUC.So if there is an insertion (of guanine):GUU **G**CC ACA UAU C_ _ (there will be... more
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06/20/19

Could alternatives to Photosynthesis be possible?
I'm working on a world for stories and games, and I'm trying to figure out some more diverse plantlife. There are areas of the world that won't get enough sunlight for Photosynthesis, so I'm... more
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06/19/19

Creating a cell, not from another cell. Will it be possible?
If some time in the future, we can know exactly what a cell (for example simple prokaryote bacteria) contains, (I mean, exactly which molecules, the shape of them, the density of each, everything),... more
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06/19/19

can this be solved by multiplying 3/4 times 5? explain.
A cake for a class party was cut into pieces of equal size. There are 5 pieces of cake left. 3/4 of the class still wants cake. What fraction of the cake will be eaten?
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06/17/19

How does peanut pollination work?
I got curious about peanuts and when I found some photos on the internet, I could see they have flowers. However peanut fruit is underground. How does pollination of peanut flowers affect the... more
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06/17/19

How is light from the sun transformed into the chemical energy used by living organisms on earth?
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06/16/19

Does one parent transmit more DNA to the offspring than the other one?
Does one parent transmit more DNA to the offspring than the other one? Or do both parents always transmit the same amount of genetic material to their offspring?In other words, can a baby be... more
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06/16/19

How does water buffer a sudden drop in temperature?
A property of water is that it is slow to heat and cool. According to my biology book, some energy from an increase in temperature would spent breaking hydrogen bonds, so that temperature does not... more
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06/16/19

Why are males more likely than females to have autism spectrum disorder?
The male to female ratio in autism spectrum disorder is around 4:1. However it seems ASD is not a simple X-linked disorder. Then how is it possible males are more susceptible than females, if the... more
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06/16/19

Why is the strength of genetic drift inversely proportional to the population size?
I saw a concept on the Internet that says "the strength of genetic drift is inversely proportional to the population size". I don't know why they are **inversely proportional**? Can somebody... more
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06/14/19

How does deforestation affect the water cycle?
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06/14/19

What is the origin of "melting" in molecular genetics?
I'm reading some papers about prokaryotic transcription mechanisms, and I've come across a term I haven't heard before: *DNA melting* or *promoter melting*. After reading a bit, it's pretty clear... more
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06/13/19

How do chromosome pairs get "paired up" for protein synthesis?
If my understanding is correct, during interphase a normal human cell will have 46 chromosomes scattered about in the cell nucleus. These chromosomes can be thought of as pairs: there are two... more
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06/10/19

6.) What is RuBP carboxylase (RUBISCO), and what does it do?
6.) What is RuBP carboxylase (RUBISCO), and what does it do?
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06/04/19

Where do amino acids get attached to tRNA and where is it synthesized?
Some very basic parts of transcription/translation seem to be left out in various literature. I can't find the answer to this anywhere:How exactly is tRNA synthesized? I realize that mRNA is... more
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03/15/19

Thus was the final act of ferocious farce?
I'm having a hard time understanding this sentence. I don't get the function of the verb LEFT in it."**Thus was the final act of ferocious farce left unti**l that bloody week in May 1871 when some... more
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