Biology

AP Biology questions please

Please help me! A reducing atmosphere is conducive to the synthesis of molecules because a. it contains oxygen, an element found in many molecules. b. it tends to grab electrons, breaking chemical

Which kingdom is made obsolete by the three-domain system? Why

Which kingdom(monera, protista, plantae, fungi, and animalia) is made obsolete by the three domain system of bacteria, archaea, and eukarya? Why is it obsolete?-The kingdom Monera is made obsolete. M

Do I need to know Biology later in life? Or can I throw out all my Biology stuff from last year

It depends on what you plan on doing.I wish I took better notes in some classes and kept all my notes (I kept some, but not all).I regularly refer back to old notes - and in some cases, I no longer ha

Why is the pH level of urine variable

There are many things that affect the pH of urine, such as diet, metabolism, and hydration level.The kidneys also play an important role in the bodys acid-base balance.The kidneys produce urine that i

Why do so many people think we came from sperm

We came from the egg... If you take an egg and look into it theres parts in there. Its like a seed, you put water on it and it starts to grow, thus starting from the egg/seed. The sperm determines the

Please help me with this bio AP question? right answer 10 pts

Which of these classes of biological molecules consist of both small molecules and macromolecular polymers? a) lipids b) nucleic acids c)carbohydrates d) proteins e) lipids, carbohydrates, proteins, a

Does the strongest acid kill all types of bacteria

No there there are many strong bacteria that can survive extreme conditions me and you could only dream of.

Is it true that we all have Neanderthal DNA

im greek does that mean i also have Neanderthal DNA-Yep, you do indeed have a small portion of Neanderthal DNA in your genome. Most people living outside Africa can trace up to 4% (NOT 60%) of their

What are the rarest eyes color you could have

ice blue (like whitish)-Darn... i was gonna say red, but besides that... purple eyes are the rarest eye color.-Ill guess red.....albinism?bleeding from your eyes may cause this too

How do I get bigger boobs

Im very flat chested and pretty skinny. Im 14 and a 34AA. Advice?!?!?-With that name??? Ya right!-Gain weight. When I was 13 stone (180lbs) I had massive boobs, but when I lost 50lbs I lost them. lol.

Why do some human beings sleep walk

I sleep walk sometimes and want to know why.-there is a neurological misconnection making the transition from conscienceness to unconsciousness fuzzy-The people that I know who sleepwalk are all stess

Do you think I'm right

My shoulder blades stick out further than most peoples; in order to hide them I like to wear baggy hoodies. Ive developed this theory that I think my family line could be evolving to grow wings. When

Are "polynucleotide chains" the same as DNA

I think Im confused. Please help. A nucleotide is composed of a phosphate, the sugar deoxyribose, and one of the four bases. DNA is made up of a series of chemical building blocks called nucleotides

Why every cell in a cotton plant does not produce cotton fibers.

16. Give one possible biological explanation for why every cell in a cotton plant does not produce cottonfibers.? why do spider webs not last for longer times in the environment?-The genes that contr

Which of the following are incorrectly paired

A) muscle spindle-mechanoreceptor B) hair cell mechanoreceptor C) gustatory receptor chemoreceptor D) electromagnetic energy photoreceptors E) motor neuron thermoreceptor-E) motor neuron- thermorecept