Biochemistry

Another name for hepatitis E is the delta virus. (True or false?)

Another name for hepatitis E is the delta virus. (True or false?)

Another name for hepatitis E is the delta virus.
 
 Indicate whether the statement is true or false

zns889   43   1 Reply

gool34

Introductory Biochemistry class

Introductory Biochemistry class

1.   (2 marks) Name the amino acids which are:

➢   absent or rare in β-structures
➢   absent in the helical regions of protein
➢   present in high percentage in tropocollagen
➢    predominate in β-structures

2.   (3 marks) In

zohaljan   2325   1 Reply

duddy

When the measured number 675 is added to the measured number 87.10, the answer should be rounded to ...

When the measured number 675 is added to the measured number 87.10, the answer should be rounded to ...

When the measured number 675 is added to the measured number 87.10, the answer should be rounded to the ones place.

▸ true

▸ false

Zrayzhang   261   1 Reply

jessgal

What happens if a lymph vessel is cut?

What happens if a lymph vessel is cut?

If a blood vessel is cut, the blood clotting mechanism comes into action but what if a lymph vessel is cut?

zulchaidir   315   1 Reply

Alexx

How do you study for Pharmacology?

How do you study for Pharmacology?

Okay so my first exam I got an 84, but my second exam, which involved mostly of just drug memorization, I got a 71. For my course we have to know just the drug classes not every individual drugs. So how do you study for Pharm? Because I need to get a

zulukudzu   414   1 Reply

padre

One way to enhance your learning in chemistry is to ________.

One way to enhance your learning in chemistry is to ________.

One way to enhance your learning in chemistry is to ________.

▸ go to office hours

▸ retest every few days

▸ study a little every day

▸ study different ideas at the same time

▸ all the above

zxcvbnm123   50   1 Reply

Jose^2

each turn of the citric acid cycle produces_____NADH Coenzyme?

each turn of the citric acid cycle produces_____NADH Coenzyme?

a. 0
b.1
c.2
d.3

zzwChris   426   1 Reply

mikee

What is the role of a coenzyme?

What is the role of a coenzyme?

What is the role of a coenzyme?

zzwChris   539   1 Reply

smmiller223

how do i convert thyroxine from ug/dL to nmol/L?

how do i convert thyroxine from ug/dL to nmol/L?

I have to convert the CV% of a thyroxine test that is in ug/dL to nmol/L when the MW is 776.93.

zzwChris   521   1 Reply

firestrike

How does enzyme activity change as substrate concentration decreases?

How does enzyme activity change as substrate concentration decreases?

Explain on a molecular level.

I dont know if im right: a decreases in substrate conc -> decrease in enzyme activity due to decreased collisions??

Thanks!

zzwChris   2883   1 Reply

fire_crystal

How could hindering an important enzyme cause a cell to cease functioning?

How could hindering an important enzyme cause a cell to cease functioning?

Many household insecticides work by hindering an important enzyme, (cholinesterase) in the cells of insects... ^?

zzwChris   1680   1 Reply

Julieoct

One of the starting material for the citric acid cycle is?

One of the starting material for the citric acid cycle is?

One of the starting materials for the citric acid is "Oxaloacetic acid and Acetyl Coenzyme A"? Is this correct? Also another question is," and this molecule is formed partly through the removal of carbon from one molecule of _____________."? The seco

zzz   1002   1 Reply

illicitf8

When electrons are transported to enzyme complex 1, where is a proton transported?

When electrons are transported to enzyme complex 1, where is a proton transported?

When electrons are transported to enzyme complex 1, where is a proton transported?

A. To enzyme complex 3
B. To enzyme complex 2
C. To the intermembrane space
D. To the outer mitochondrial membrane
E. To the inner mitochondrial membrane

zzz   417   1 Reply

juliabreslin

How are cofactors added to the amino acid chains of an enzyme to produce a coenzyme?

How are cofactors added to the amino acid chains of an enzyme to produce a coenzyme?

How are cofactors added to the amino acid chains of an enzyme to produce a coenzyme?

_biology   405   1 Reply

smmiller223

In a diagram of the process of protein synthesis DNA would most likely be what?

In a diagram of the process of protein synthesis DNA would most likely be what?

In a diagram of the process of protein synthesis DNA would most likely be what?

1. serve as a pattern for the synthesis of messenger RNA
2. carry a code determined by the original DNA molecule from the nucleus to the cytoplasm
3. pick up and transf

_biology   1165   1 Reply

fire_crystal

Is it safe to take Co enzyme Q10 whilst taking Thyroxine for an under-active thyroid condition?

Is it safe to take Co enzyme Q10 whilst taking Thyroxine for an under-active thyroid condition?

I have an under-active thyroid condition and am currently taking Thyroxine tablets. I have recently read some comments from  people on a Thyroid Forum stating that Co enzyme Q10 can work wonders for Thyroid disorders, increasing energy etc. Does anyb

_biology   471   2 Replies

irina

In a metabolic rxn sequence the 1st enzyme usually functions as a regulatory enzyme. What is the advantage?

In a metabolic rxn sequence the 1st enzyme usually functions as a regulatory enzyme. What is the advantage?

In a metabolic reaction sequence, the first enzyme usually functions as a regulatory enzyme. What is the advantage of regulating the activity of the first enzyme rather than the activity of later enzymes?

_biology   1023   1 Reply

dataplease

What causes the fusion of synaptic vessicles with the presynaptic membrane and the release of neurotransmitter?

What causes the fusion of synaptic vessicles with the presynaptic membrane and the release of neurotransmitter?

A. an outflow of sodium ions from the presynaptic cell  
B. a graded change in membrane potential of the postsynaptic cell  
C. outflow of calcium ions from the presynaptic cell  
D. an increase in intracellular acetylcholine in the presynaptic cell

_brooksd   715   1 Reply

rizzamella

What is the difference between prosthetic group and side chains on an enzyme?

What is the difference between prosthetic group and side chains on an enzyme?

What is the difference between prosthetic group and side chains on an enzyme?
Picturewise, they look the same to me.  Can someone preferably a biochemistry major explain?

Thanks.

_brooksd   433   2 Replies

FISH0818

What is the magnitude of the magnetic force exerted on the ion when it moves in the x-y plane along the line x?

What is the magnitude of the magnetic force exerted on the ion when it moves in the x-y plane along the line x?

An ion experiences a magnetic force of 4.8  10-16 N when moving in the positive x direction but no magnetic force when moving in the positive y direction. What is the magnitude of the magnetic force exerted on the ion when it moves in the x-y plane a

_Mil96   3855   1 Reply

nyckinglok

What is a "vector" and a "host" in biotechnology?

What is a "vector" and a "host" in biotechnology?

I need to define: vector, host, and plasmid-why is a plasmid so useful in recombinant DNA?

_vibram_   314   1 Reply

micah07g

Which type of RNA functions as a blueprint of the genetic code?

Which type of RNA functions as a blueprint of the genetic code?

a) rRNA
b)tRNA
c)mRNA
d)RNA polymerase


i think it's mRNA
i looked through the book and it says something about blueprints but doesn't exactly state what type of RNA functions as a blueprint
so.. what is it?

_vibram_   379   3 Replies

buzzisgay

I NEED HELP I CANT DO ANY OF THIS!!!!!!!!!!!!!?

I NEED HELP I CANT DO ANY OF THIS!!!!!!!!!!!!!?

Question 1  2 points    Save    
  The part of the enzyme where the substrate fits is known as the ___.
    active site
   isomer position
   activation site
   none of these


   Question 2  2 points    Save    
  Enzymes work by bringing react

|R2r|   402   1 Reply

MIADUSK

The joining of different DNAs through the use of cutting and splicing DNA is called?

The joining of different DNAs through the use of cutting and splicing DNA is called?

A)PCR.
B)recombinant DNA.
C)complementary DNA.
D)DNA fingerprinting.
E)None of the above

|R2r|   304   1 Reply

Ohmy

I have 2 questions about biology involving meiosis, and RNA Splicing?

I have 2 questions about biology involving meiosis, and RNA Splicing?

ok I thank those who are willing to help me!

question 1 can somebody please explain the function of meiosis to me?

question 2 How do introns and exons relate to RNA Splicing?

random questions i know! But thanks to anyone who can help!

|R2r|   384   2 Replies

lexibop383

Which of these gives the plasma membrane the ability to block most ions and polar compounds from crossing?

Which of these gives the plasma membrane the ability to block most ions and polar compounds from crossing?

cholesterol
 glycoproteins
 protein channels
 phospholipids
 cytoskeleton

|R2r|   778   2 Replies

fire4830

do eggs test positive for polysaccharides?

do eggs test positive for polysaccharides?

help me.
i needa know if eggs test positive for polysaccharides?
i need to know immediately for a science lab.

please.

|R2r|   239   2 Replies

Firedancer51