Biology - March 2007

Why is it called Semi-conservative replication when DNA molecules duplicate themselves?

2007-03-26 09:08:38 · 5 answers · asked by Anonymous

2007-03-26 08:52:19 · 6 answers · asked by Anonymous

i have a test in 1 week and have some questions, please assist me. thanks so much

1. a man with a nedium build and light clothing dies in a 70* room. in 4 hours his body temperature should have droped to what?

2. a person dead for 4 days should have _________? rigor mortis

3. a person dead for 22 hours. rigor mortis will be present in?

4. a person who died 4hrs ago should have ___ livor mortis

5. dead for 4 weeks should have _________________on and near his body.

6. most helpful things to look for in the victms home that helps establish the post mortem index is

7 a body takes______ to become a dery skeleton in a 65* room

8. a body is found face down in the road. he has non blanching livor mortis on his back only. this indicates that he

9. when is the dead victims temperature taken

10. a dead person is found standig n in a locker where should livor stains be
11. which of the following is not a post mortem change?
12. eyes willtuenmilky and glazed over in

2007-03-26 08:51:04 · 4 answers · asked by im261cool 1

bio again please help...............

2.Suppose one of the bases on the mRNA was chnged. Would the same tRNA molecule still attach to the strand? explain your answer.

3. What would happen to the mRNA strand if an incorrect amino acid was inserted?

2007-03-26 08:44:25 · 1 answers · asked by Anonymous

What are the names of the two enzymes responsible for inserting a small segment of DNA into another DNA?

2007-03-26 08:43:15 · 1 answers · asked by hey!!!! 1

I want to graduate but I need a good grade...
1. How do man's teeth indicate that he is an omnivorous animal?

2. What are the special functions the stomach performs?

3.Describe the mechanics of digestion as food passes through man's digestive system.

4. Why may digestion be described as a breaking-down process?

5. What are enzymes?

6. Name the enzymes that are important in the digestion of starch, fats, and proteins.

7. How do the villi of the small intestine function?

8.In what respect does the absorption of simple sugars differ from that of fats?

2007-03-26 08:29:38 · 6 answers · asked by Anonymous

if we discovered this ability within 80000 years, then whats to say they didnt build us 100000 years ago out of their code then. dinasaurs were like the 286 dx2- 66mhz of their day..loud huge and stupid.(hypothetically speaking of course)

2007-03-26 08:29:14 · 5 answers · asked by Anonymous

2007-03-26 08:27:57 · 4 answers · asked by travis j 1

Did you know that you have a pulse on you r nose right under your eye? One day I was rubbing my face and I felt it for the first time.

2007-03-26 08:25:55 · 5 answers · asked by Abbott Barrington 2

I dont get this bio please help.....

3. A mutation in which a single base is added or deleted from DNA is called
a. a frame shift mutation
b.a point mutation
c. translocation
d. nondisjunction

7. Many chromosome mutation result when chromosomes fail to separate properly during
a. mitosis
b. meiosis
c. crossing over
d. linkage

9. mutations that occur at random are caqlled
a.spontaneous mutations
b.nonspontaneous mutations
c. nonrandom mutations
d.environmental mutations

2007-03-26 08:25:26 · 3 answers · asked by Anonymous

1. Which statement best describes the role of the lung in gas exchange?
A. It takes in oxygen from the bloodstream.
B. It produces carbon dioxide as a waste product of cellular respiration.
C. It extracts oxygen from the atmosphere for use by body cells.
D. It provides carbon dioxide to the capillaries.

2007-03-26 08:06:11 · 4 answers · asked by Anonymous

2007-03-26 08:04:42 · 1 answers · asked by starla_o0 4

Kinda curious considering the guy in Houston Texas grilled his ex girlfriend. No bones were found..just ashes. No body No Crimne????

2007-03-26 07:59:13 · 10 answers · asked by Allure 4 1

what is the leading cause of death?

2007-03-26 07:55:51 · 4 answers · asked by Anonymous

A boiochemical-enzymatic explanation from Hexokinase leading up to Pyruvate Kinase is not necessary.

2007-03-26 07:53:36 · 1 answers · asked by Ke Xu Long 4

is it what connects the 2 halves of the brain? and the rate of myelination is most directly facilitated by genetics? or frontal cortex maturation?

2007-03-26 07:50:35 · 2 answers · asked by Anonymous

what job/function does ...
Ligament
cartilage
tendon
muscle
fluid

2007-03-26 07:49:29 · 1 answers · asked by apples and pears 4

i'm doing this projet on osmosis so i wondered what it meant.

2007-03-26 07:40:55 · 2 answers · asked by Charli 1

2007-03-26 07:28:59 · 3 answers · asked by jon & Corrie A 1

2007-03-26 07:28:43 · 1 answers · asked by juan 2

2007-03-26 07:27:50 · 2 answers · asked by Anonymous

I think the show was called "Multiples". Where can I find more information on the subject, as I was always taught identical had to be the same sex?

2007-03-26 07:24:00 · 8 answers · asked by Anonymous

2007-03-26 07:22:51 · 4 answers · asked by juan 2

I know at least three sets of technically fraternal twins who look identical. Why is this?

2007-03-26 07:22:25 · 6 answers · asked by Anonymous

2007-03-26 07:20:17 · 3 answers · asked by Anonymous

2007-03-26 07:19:37 · 1 answers · asked by Lupita G. 1

can u name all kinds of hyperpolarization channels and explain about them?

2007-03-26 07:12:42 · 1 answers · asked by saffiyeh s 1

2007-03-26 06:48:30 · 2 answers · asked by BeachBum 1

a) Why is higher reasoning or conscious thought are not necessary or desirable features of reflexes?
b) When might it be adaptive for conscious thought to intervene and modify a reflex action?

2007-03-26 06:44:54 · 1 answers · asked by arwb01r 2

*any solute
*polar solutes
* nonpolar solutes
* no solute

First person with a resonable answer gets the best answer

2007-03-26 06:39:44 · 4 answers · asked by skatergirl472 3