Biology - October 2007

For different races on earth?
Like, you know, say for Thai people, or Russian people, or American people?
Just wondering really interested....

2007-10-29 02:00:08 · 2 answers · asked by Anonymous

2007-10-28 22:11:07 · 6 answers · asked by Anonymous

2007-10-28 21:39:19 · 9 answers · asked by Anonymous

there has to be an easy solution to this problem that know one has looked at or whats to see

2007-10-28 19:06:50 · 4 answers · asked by Anonymous

2007-10-28 19:06:22 · 4 answers · asked by blackbyrd 4

2007-10-28 18:47:50 · 2 answers · asked by Anonymous

1. which of the follwing is a function of the Golgi apparatus?
a protein modification
b protein synthesis
c intracellular digestion
d cellular respiration
e drug detoxification

2.A bacterial cell's DNA is found in its__.
a nucleoid region
b ribosomes
c capsule
d nucleus
e peroxisome

3.which of the following is NOT a component of an amino acid?
a a carboxyl group
b a phosphate group
c a hydrogen atom
d a central carbon
e an amino group

4. A single carbon atom can for a maximum of___covalent bond(s)
a none; carbon only participates in ionic bons
b 1
c 4
d 3
e 2

5.which of the following are isomers?
a sucrose and glucose
b glucose and furctose
c sucrose and lactose
d lactose and maltose
e glucose and sucrose

6. A cell that neither gains nor loses water when it is immersed in a solution is____.
a isotonic to its environment
b hypertonic to its evironment
c metabolically inative
d dead
e hypotonic to its environment

2007-10-28 18:43:15 · 1 answers · asked by Anonymous

what is the minumum time it gets to change

2007-10-28 18:40:35 · 7 answers · asked by life is too short 3

a- cells without nuclei would be formed.
b- The G1 and G2 phases would become sherter .
c- A large cell with multiple nuclei would result.
d- The absence of cytokinesis would inhibit mitosis.
e- The resulting cells would get smaller and smaller.

2007-10-28 18:38:56 · 5 answers · asked by Na.La. <3 5

I'm writing a monologue about finding a dead body and I want to be able to have the audience be able to mentally smell how bad it was. I've never smelled one, so I have no idea.

"It smelled like..."

2007-10-28 18:36:47 · 21 answers · asked by TonyR 2

A.Increase
B.Decrease
C.Stay Constant

2007-10-28 18:10:17 · 11 answers · asked by Travelingstar 1

carbohydrates chains?

a. gastrin
b. secretin
c. cholecystokinin
d. amylase

2007-10-28 17:47:53 · 3 answers · asked by creampuff 1

What functional groups are involved in the formation of a triglyceride from glycerol and fatty acids? Label this functional group

If you can provide a link, please do:)

2007-10-28 17:34:12 · 1 answers · asked by Anonymous

Is there such a thing? Do we release or sense chemicals that attract the opposite sex?

2007-10-28 17:13:34 · 10 answers · asked by Texas Cowboy 7

my homewrk.
thnxz.

2007-10-28 16:57:52 · 1 answers · asked by Anonymous

2007-10-28 16:42:50 · 3 answers · asked by Anonymous

2007-10-28 16:26:29 · 3 answers · asked by Anonymous

White blood cells manufacture hydrolytic enzymes that function in the intra-cellular digestion of the engulfed bacteria. Describe how each of the following organelles participate in this process: nucleus, rough endoplasmic reticilum, golgi aparatus, lysosomes, and mitochondria. Any help would be greatly appreciated!!

2007-10-28 16:19:40 · 1 answers · asked by burgler09 5

I'm curious to know what this pheromone is called and more about this process.

2007-10-28 15:57:14 · 11 answers · asked by Anonymous

1.which of this is a difference between DNA and RNA?

a)DNA is found in the nucleus; RNA is never found is the nucleus.

b)In DNA, adenine pairs with guanier; in RNA, adenine pairs with thymine.

c)DNA consists of five different nucleotides;Rna consists of four different nucleotides.

d)DNA contains thymine; RNA consists of four different nucleotides.

e)RNA is doubles-stranded; DNA is sigle-stranded.

2.which of the follwing is not a component of the endomembrane system?

a)Golgi apparatus
b)lysosome
c)vacuole
d)endoplasmic reticulum
e)ribosome

3.Nucleic acids are polymers of ____monemers.
a)nucleotide
b)hydrocarbon
c)fatty acid
d)DNA
e)monosaccharide

4.The difference between eukaryotic and prokaryotic cells is that eukaryotic cells ____prokaryotic.

a)have DNA, which is lacking in
b)have a nucleoid region, which is lacking in
c)lack the complexity seen in
d)have a nucleus, which is lacking in
e)have a plasma membrane, which is lacking in

2007-10-28 15:52:36 · 4 answers · asked by kk^Q^ 7

my choices are:
1) they produce ATP.
2)they produce glucose.
3)they store it in molecules of co2.
4)the energy is coupled to oxygen.
5)none of the choices are correct.

2007-10-28 15:43:17 · 1 answers · asked by Anonymous

1) The linear sequence of monomers in a polypeptide chain is referred to as its____structure.

a)quaternary
b)secondary
c)tertiary
d)pentamerous
e)primary

2)In eukaryotic cells, waht name is given to the region between the nucleus and the plasma membrane?

a)cytoplasm
b)nucleoplasm
c)phospholipid bilayer
d)gane
e)cytosol

3.
Isotopes of an element have the same number of___ and different number of ____.

a)electrons...protons
b)protons...neutrons
c)neutrons...protons
d)protons electrons
e)neutrons...electrons

4. when water dissociates, what is tranferred from one water molecule to form a hydronium ion?

a)a hydrogen atom
b)H3O+
c)OH-
d)H2O
e)a hydrogen ion

5.nitrogen has an atomic number of 7; therefore it has ____electrons in its ouermost electron shell.

a)2
b)1
c)5
d)10
e)18

2007-10-28 15:31:53 · 1 answers · asked by kk^Q^ 7

The sodium-potassium pump is called an electrogenic pump because it:
a. pumps equal quantities of Na and K across the membrane
b. pumps hydrogen ions out of the cell
c. contributes to the membrane potential
d. ionizes sodium and potassium atoms
e. is used to drive the transport of the other molecules against a concentration gradient

Thank you for your time.

2007-10-28 15:07:15 · 0 answers · asked by . 6

hi, i need some help on demonstrating the electrical activity of a contracting muscles and how it spread to the skin surface. please list a link web sites that can help me understand this topic........

2007-10-28 15:04:41 · 1 answers · asked by Young_city 1

Anyone?

2007-10-28 14:58:07 · 3 answers · asked by Intuition 3

why is it that when an enzyme is saturated,the only way to increase the productivtiy of a reaction is to add more enzyme?what can't enzyme do to a reaction?

2007-10-28 14:47:51 · 2 answers · asked by Anonymous

Do organic compunds contain carbon, hydrogen and oxygen or just carbon and hydrogen?

Why? please i need help!

~THANK YOU!!

2007-10-28 14:40:40 · 2 answers · asked by Mina 1

2007-10-28 14:34:35 · 1 answers · asked by Colin L 1

Why is an oak leaf not a good specimen for inspecting with a light microscope?

Why is a wet mount slide better than a dry mount slide when a living cell is the specimen?

2007-10-28 14:30:18 · 1 answers · asked by Anonymous

2007-10-28 14:26:12 · 1 answers · asked by Colin L 1