Biology

A hypothesis must be

a. able to be proved beyond a doubt b. able to be proved beyond a reasonable doubt c. either accepted or rejected d. correct or incorrect e. none of the above-C comes closest. A hypothesis is a propos

The outer layer of the eye is the sclera

True, if this is true/false question.

Finding the moles of a substance in a dilution problem

We did a lab in class about dilution. Were given 3M of an unknown substance and we dilute it 4 times with 5ml of water each time. Then we used a spectrophotometer to measure absorbance of the solution

List four types of organelles you would find in most cells

ribosome, mitochondria, nucleus, and golgi complex

Organic compounds making up cell parts

Does anybody know what organic compounds make up: Ribosomes the Cytoskeleton (I know its microtubules, what makes up those?) Peroxisomes and Lysosomes? Im really having trouble finding these and I nee

For your own opinion what do you think are the advantages and disadvantages of the human genome project

There are so many advantages. The HGP has allowed us to find the causes of many genetic disorders and gives hope for preventions and cures. It has given us a lot of knowledge about our evolution and d

Which bonds store the greatest amount of sugar energy in glucose & is fructose am isomer of glucose

HavE an ap bio test tomorrow Please answer both questions:) thank u-The hydrocarbon bonds in glucose store the greatest amount of sugar energy. Yea, fructose is an isomer of glucose. Good luck on th

DNA self-replication question: separating and replicating base pairs. Help please?!

T-A-C-G-G-C-A-A-C-T-G-A-G-C-T A-T-G-C-C-G-T-T-G-A-C-T-C-G-A Practice DNA replication. Consider this double stranded DNA molecule. Notice that the DNA bases are paired accordingly. Separate the stran

I just performed a biology experiment and have a question

I filled 3 test tubes with hydrogen peroxide. Then I added yeast to each one (different amounts). Then, I secured a balloon to each test tube. The balloons expanded. My question is this: Is the enz

Who is that guy on tv who does all the biology shows

Theres a man who does a lot of biology shows (I think also geography shows) and has been doing them for at least 15 years.Last year he did one on the large insects that used to inhabit the Earth due t

Are humans the only species that laugh and cry

Define laugh and cry.... Most species experience pain, and react according to their nature. It may not seem like tears to us, but the emotional aspect is as real as it is to humans. Most species ex

Evolution question on resistant bacteria

It says in my textbook that because of antibiotics excessive and widespread use bacteria have evolved resistant strains. Doesnt evolution mean change from one species to the next? Or in this context d

Why are an efficient heart and lungs important to mammals

mammals have a 4 chambered heart-Were warm-blooded and active.It takes a lot of energy to be those things.Energy comes from using oxygen in aerobic cellular respiration.So the efficient heart and lung

Would HUMANS die if there were no bees

Well, we all know that without bees, all the plants will die, but is there a possibility we would to? I mean think about it, the sun is an essential source of food for plants and they go through a pro

In a Compound Light Microscope does the 4X or the 10X objective have a shorter depth of field

the 10X have a shorter depth of field because is zooms in more than the 4X that gives a larger depth of field-10XX