06/04/19

Why is competitive inhibition reversible?
My Biochemistry book mentions that 'competitive inhibition' is a reversible form of inhibition.<Br> But given that the inhibitor is blocking the active site and prevents an enzyme-substrate... more
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06/04/19

How many liters of water must be evaporated from 10 L of a 30% salt solution to produce a 50% solution?
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06/03/19

What is a membrane potential?
I know this may be silly, but I am confused to what a membrane potential actually is. I understand that at resting membrane potential is -70- -80 mV. But what does that exactly mean and how does... more
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06/03/19

Software program in chemistry?
What is an input device in chemistry?
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R

06/03/19

Extract every nth element of a vector?
I would like to create a vector in which each element is the `i+6th` element of another vector.For example, in a vector of length 120 I want to create another vector of length 20 in which each... more
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06/02/19

How can a polar molecule pass through polar channels of proteins in the cell membrane?
To transport a polar molecule through the nonpolar cell membrane, a protein with a polar channel is needed to allow it to diffuse. However, if the molecule is polar and the channel is polar,... more
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06/02/19

Algebra with applications
A principle of $2400 is invested at 7.5% interest, compounded annually. How much will the investment be worth after 15 years?
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06/01/19

Why is oxygen needed for the electron transfer phosphorylation?
I understand that oxygen is the acceptor of electrons and hydrogen ions during the electron transfer phosphorylation, the last step off the ATP-producing aerobic respiration.But why?Aren't there... more
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06/01/19

Do non-enzyme catalysed reaction pathways exist?
Can their be a kind of chemical reaction pathway in a cell, that is catalyzed or regulated but NOT necessarily by enzymes? I could not find anything on Google.I have almost no background in... more
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06/01/19

Which will produce more oxygen? A few large trees or a greater number of smaller plants?
In a given area A, we have two choices -(i) we can plant maximum number of trees (which are larger in size) possible in A, say mOR(ii) we can plant maximum number of plants (which are smaller in... more
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06/01/19

If proteins have an overall charge, how do membrane proteins traverse through the hydrophobic region of the plasma membrane?
These two concepts seem almost contradictory, proteins have a net negative charge due to the amino acids in them each having a small negative charge, yet membrane proteins are able to exist... more
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05/30/19

If Race is a social construct, then does it have no foundation in biology?
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05/30/19

Biology experiment with algae method help?
I'm planning a biology experiment I need to complete. I was planning on measuring the affect of pH on algae growth. I chose chlorella to be the test algae I use (are there any algae that would be... more
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05/30/19

Why does alcohol cause the hemolysis of RBC in a large proportion?
I had today an experiment that we put 95% alcohol to the blood which made it completely transparent so hemolysis must have occurred.I started to think about the reasons.I think that this is because... more
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05/26/19

Ploidy of Central cell in embroidery sac?
In the unfertilized embryo sac in angiosperms, is the central cell considered to be haploid or diploid? Though it has two polar nuclei but both of them are haploid, so I don't think it can be... more
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R

05/26/19

How do I write a for loop?
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05/25/19

A function value and a quadrant are given. Find the other five function values. Give exact answers. sin of theta = 1/4 ​, Quadrant II

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05/25/19

What would a physical anthropology major entail?
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05/24/19

Is it time to dare and think beyond Louis Pasteur's momentous discovery of infectious diseases, and consider evaluating diseases as imbalances of microbiological ecosystems?
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05/24/19

What produces the strong odor of decaying dead animals?
Are there specific chemicals responsible for producing the strong, putrid odor that is present after an animal deceases? Also, how long does this odor last?
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05/24/19

Excercise and fitness in old age?
I have seen so many news and study online, saying exercise keeps body healthy in old age and keeps us fit? how is this possible normal tear and wear will become more with activity hence more... more
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05/24/19

Cytoskeleton made of only actin?
I am aware that the cytoskeleton has three structural components: actin, microtubules and intermediate filaments. I was wondering if any cell could possess a cytoskeleton made only of actin. Or... more
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05/24/19

Find the missing terms in each arithmetic sequence

3,_,_,_59.... An= A1 + (n-1) d -4,_,_23... An= A1 + (n-1) d
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05/24/19

Choose the correct graph or interval for the given inequality

Choose the correct graph or interval for the given inequality x<1
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05/24/19

Psychology Practice Questions

According to the structuralist, the goal of psychology is?
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