Biology - September 2007

College biology lab
testing the growth of oral bacteria in different pH's

2007-09-19 15:14:13 · 3 answers · asked by Jennifer 1

the question is to generally explain the difference between each. Gycolysis and Krebs cycle/Electron transport.

2007-09-19 15:13:09 · 2 answers · asked by Anonymous

We did a blood typing experiment in class the other day and I had trouble reading my results. I thought that I might be O+ because I couldn't really see any clumps forming with my blood interacting with the anti-A or anti-B serum. I called my teacher over to ask him and he looked, pointed out a couple tiny clumps, and said that my results meant that I was AB+. My dad is O+ and my mom is A+ and, from my understanding of genetics, that would mean that I would have to be A+ or O+ right? Could the test be wrong or is my dad not my biological father?

2007-09-19 15:12:27 · 5 answers · asked by little_ash_2003 3

a. hydrogen
b. cnbon
c. sodium
d. oxygen

2007-09-19 15:00:19 · 3 answers · asked by Anonymous

I was wanting to know how Genes are copied because I can't find the process anywhere. Is it the same process as DNA?

2007-09-19 14:42:06 · 3 answers · asked by Daphne 1

Its found in plant and animal cells, but multi-cellular organisms contain different cell types, tissues and organs, and there are many diff. types of organism. Please be specific on what type of cells its found in

2007-09-19 14:38:15 · 4 answers · asked by meeka 1

2007-09-19 14:37:01 · 3 answers · asked by Taronda M 1

help please!

2007-09-19 14:35:13 · 2 answers · asked by Unique 1

what are these?

2007-09-19 14:27:27 · 3 answers · asked by cosmic_cougar25 3

be serious and lake eerie in canada pleazzz be honest im loking for a breif answer

2007-09-19 14:13:10 · 4 answers · asked by Anonymous

also, whats a Scanning Electron Microscope?

2007-09-19 13:59:45 · 3 answers · asked by Anonymous

well my daughter has a science project and she has to list some abiotic examples and biotict can someone help me??!!

2007-09-19 13:16:55 · 3 answers · asked by MelissaC 2

No stupid answers please. This is for an extra credit assignment.

2007-09-19 12:45:24 · 6 answers · asked by ♫Lαurεn♪ 4

a.collect dust particles
b.enhance growth conditions for microorganisms.
c.to kill any microorganisms present in the broth

2007-09-19 12:35:48 · 3 answers · asked by jessica [biology 1 student] 2

A red-eyed female fruit fly is crossed with a red-eyed male fruit fly. All of the female offspring have red eyes but only one-half of the male offspring are red-eyed. The other half of the male offspring have white eyes. In this example, eye color in fruit flies:

A. is an X-linked trait
B. exhibits lack of dominance
C. is influenced by the environment
D. is controlled by several genes

I know I can cross out C. I kind of want to say A, but I'm not too sure. Can anyone help me out? Am I right or am I wrong?

2007-09-19 11:39:00 · 4 answers · asked by proudmommy306 2

I have a biology rain forest thing and i'm not sure if i am classifying the animals right. Are STICK SPIDERS omnivores or herbivores or what?? plz i need help!!

2007-09-19 11:38:20 · 1 answers · asked by luvstruck4987 2

I wanted to test to see if caffeine effects the heart beat rate in mice. Mice have a higher heart beat rate than humans. I predict the caffeine will affect the heartbeat of mice. I went and bought fourty of the same species of mice, all around the same age. I put 20 mice in one 4x5 cage, and the other 20 in another 4x5 cage. In one of the cages I fed each of the mice a treat covered in caffeine. I waited 15 minutes (the average time it takes for caffeine to kick in) and hooked up each of the mice to a machine. The machine tracks heartbeats per minute. I fed the other cage the same type of treats, but with no caffeine on them. The average heart beats per minute in the caffeine dosed group was 78 per minute. The non-caffeine dosed group had an average of 62 per minute. My hypothesis was correct, caffeine does affect the he

2007-09-19 11:31:24 · 4 answers · asked by Anonymous

What is the difference between magnification and resolution? Is one better than the other? Explain.

2007-09-19 11:29:31 · 4 answers · asked by mz. * 1

The mouth is the first site of chemical digestion in a human. Your saliva starts the process of breaking down the food you eat. Keeping this information in mind, which organelle do you think would be numerous inside the cells of your mouth?

2007-09-19 11:14:36 · 2 answers · asked by panth p 2

Arrange the following structures, which can be found on male pine trees, from the largest structure to the smallest structure (or from most inclusive to least inclusive).
1.sporophyte
2.microspores
3.microsporangia
4.pollen cone
5.pollen nuclei

a. 1, 4, 2, 3, 5
b. 1, 2, 3, 5, 4
c. 4, 3, 2, 5, 1
d. 1, 4, 3, 2, 5
e. 4, 1, 2, 3, 5

2007-09-19 11:13:33 · 2 answers · asked by Anonymous

1) The coarse adjustment knob is used to ...

A. regulate light
B. concentrate light on the specimen
C. focus with the high power objective
D. focus light with the low power objective


2) A compound microscope differs from a simple microscope in that a compound microscope has ...

A. two eyepieces
B. two lenses
C. light sources
D. objectives

3) Which of the following is NOT part of the light system of the microscope?

A. the mirror
B. the diaphram
C. the condenser
D. the nosepiece

2007-09-19 11:02:52 · 5 answers · asked by mz. * 1

who are some people that made human body dicoveries from the 1900s to the present?

2007-09-19 10:57:36 · 1 answers · asked by colo 2

2007-09-19 10:48:39 · 3 answers · asked by Anonymous

what is a good way for me to remember sodium's atomic symbol:Na?
need answers in 3 hrs

2007-09-19 10:42:36 · 3 answers · asked by A 4

helplllllllllllllllllllllllllllllllll

2007-09-19 10:37:57 · 2 answers · asked by laila_123nabi 2

What can you say about the amount of hydrogen ions relative to the amount of hydroxide ions in a solution that has a pH of 2?

2007-09-19 10:37:53 · 3 answers · asked by britt 1

continue from question:eyes

a.blue must be dominant
b.blue must be a recessive trait carried by both parents
c.brown must be a recessive trait carried by both parents
d. the parents must not be her biological parents

2007-09-19 10:33:10 · 5 answers · asked by Lil_Mommy 1

2007-09-19 10:17:44 · 4 answers · asked by tzoatnsu 3

I am just curious because of the death of my mother. also, i want to know how do they wash the body and who helps with this processing? if its a female does a female wash n prepare the body or does a male do both genders

2007-09-19 10:01:25 · 4 answers · asked by yawizzy 1

please help

2007-09-19 09:52:28 · 4 answers · asked by *winterbaby* 2