Biology

Cellular biology: Functional groups acting as acids and bases

So in my chem class were learning about acids and bases where acids have a proton that they lose, like HCl dissociates to H+ and Cl- in water. And bases are pretty much elements ionically bonded to a

Does light loose energy as the distance increases, or does it stay the same

I performed a lab in class, where i tested the oxygen produced from elodea at given distances from a 75 watt light bulb. Those distances were 10, 35 and 75 cm. BUT... my tables experiment ended with

Biology people, what are your favourite young Earth Creationist arguments (to laugh at)

I really enjoy ones made by Ray Comfort, Kirk Cameron, and Kent Hovind, because they have no idea what theyre talking about. Oh, and I enjoy the one about how peanut butter disproves abiogenesis (whic

In a formal lab report, does the whole thing need to be in past tense, no pronouns, or is it just the method

By past tense with no pronouns I mean like, 200mL of water was poured into a 250mL beaker and placed on hot plate for X minutes. I know theres another name for that tense, I just dont know what it is.

Muscular system 2 questions

1)What types of tissue(s) it contains. 2)What kinds of cell(s) it contains Thanks for the help!-hey Tom hows it goin muscles are contractile tissue theres smooth, cardiac, and skeletal theyre all com

MICHAEL IS COLOR BLIND! Whose genes caused this to happen

Please source the answer you give or a good reason for the answer, not just guess letters. THANK YOU! :P a. Only his father’s genes b. Only his mother’s genes c. Either of his parents’ genes could ha

Can anyone help me with this Biology question please

In Ireland, 3 out of 10,000 babies are infected with cystic fibrosis. Based on this info, what is the allele frequency for the recessive allele that causes cystic fibrosis? A. Square root of 3/10,000

The 11 organ systems, the organs in them and thier functions

please need it for science. keep length reasonable thanks :)-1)The integumentary system supports and protects, regulates body temperature, makes chemicals and hormones, and acts as a sense organ. org

4+2√2 or 2+4√2 Which one is larger

And Why arent they equal .... The answer says that B is greater-√2 is 1.414, so 4+2√2 is 6.828.2+4√2 is 7.657 so it is larger.-1

Why do sodium and cholesterol only cross the membrane by facilitated diffusion

Please help, I simply do not know.Thanks-Molecules requiring facilitated diffusion are ones that are either too polar, too ionic, or too large to pass directly through the membrane. These solutes/mole

Which molecule cannot diffuse through the pores of dialysis tubing and why

A. Oxygen gas B. Glucose C. Water D. Sodium E. Cholesterol-Cholesterol-because it is a long chain of lipid particles and too large to pass through the pores

Will normal humans become extinct within 50 years

Will normal humans become extinct within 50 years because humans will become part machine in order to keep up with technology advances and human will evolve into the Borg ?-may be. but it is not becau

Could you still use DNA from the cheek cells

Suppose you wanted to study variations in a gene that was normally expressed in muscle cells.Could you still use DNA from the cheek cells? Why or why not?-Of course! All the DNA coding is the same th

Since atoms are NOT the smallest thing in the universe, what are they the smallest of

Please help me-Its not polite to ask a question and then delete it, particularly when someone has spent time answering it, only to find it isnt there when the submit button is pressed. For your infor

Which of the following is the best statement of the use of the addition rule of probability

A ) The probability of producing two or more heterozygous offspring. B ) The likelihood that a trait is due to two or more meiotic events. C ) The probability that either one of two independent events