Biology - April 2007

2007-04-27 14:22:16 · 2 answers · asked by jayce 1

Not homework. Thanks for any answers.

2007-04-27 13:50:40 · 5 answers · asked by Dovey 7

ribozymes, lysozymes, golgi apparatus, or deoxyribonucleic acid.

2007-04-27 13:48:36 · 4 answers · asked by romeodavis 1

growth, homeostasis, movement, reproduction, or energy use.

2007-04-27 13:47:08 · 6 answers · asked by romeodavis 1

I believe this is true but my friend says I am not.

2007-04-27 13:45:44 · 11 answers · asked by romeodavis 1

2007-04-27 13:25:36 · 4 answers · asked by skipinto 1

what is true?



some bacteria in orginal population had the ability to digest oil.


bacteria in population were genetically engineered to digest oil.


some bacteria in original population were resistant to antibiotics.


bacteria in population that could digest oil were selected against.

2007-04-27 13:16:44 · 6 answers · asked by americanidolgivesback 1

What is correct regarding selective pressure?



do not change over time.


human activities do not produce selective pressures.


may change in ways that are difficult to predict.


not possible to explain the effect of a selective pressure on a population.

2007-04-27 13:14:17 · 1 answers · asked by americanidolgivesback 1

changes organism's DNA, resulting in new variations.


isn't dependent on interactions between organisms and their environment.


creates changes within a population that cannot be reversed.


changes frequency of traits in a population over time.

2007-04-27 13:12:14 · 3 answers · asked by americanidolgivesback 1

finch tends to select mate whose beak is same size as his own.


sperm of one fish can't penetrate eggs belonging to another species.


wide river separates the territories of two species of squirrels.


mating song of one robin doesn't attract members of another species.

2007-04-27 13:10:55 · 4 answers · asked by americanidolgivesback 1

1.In the human male, several hundred million sperm are produced by spermatogenesis occurring in
a. interstitial cells.
b. the prostate.
c. seminiferous tubules.
d. the vas deferens.
2.Which statement is true?
a. Breathing rate and depth are completely under voluntary control.
b. A person can commit suicide by holding one's breath.
c. The contraction of the diaphragm and muscle of the rib cage are under the control of the brain.
d. There are chemoreceptors in the brain that monitor carbon dioxide content in the blood and control breathing.
e. The contraction of the diaphragm and muscle of the rib cage are under the control of the brain, and there are chemoreceptors in the brain that monitor carbon dioxide content in the blood and control breathing.
3.The release of DDT into the environment to control some insect pests will result in the highest detectable concentrations

a. at the bottom of the food chain.


b. in the targeted insect pest.


c. in the middle of the food chain.


d. at the end of the food chain.


e. in producers.

2007-04-27 12:39:51 · 5 answers · asked by hans d 1

2007-04-27 12:16:28 · 8 answers · asked by Nena (: 3

2007-04-27 11:52:52 · 2 answers · asked by skipinto 1

Hawking, Einstein, Newton....why do most of us know these names? Is it discovery? The timing of the discovery? The scientist's personality? The intellect? Simple luck?

2007-04-27 11:37:31 · 5 answers · asked by Niotulove 6

According to Charles Darwin we evolved from monkeys, why have we not evolved anymore and if we evolving what are we evolving in to ?

2007-04-27 11:22:06 · 13 answers · asked by Anonymous

clocks

the amount of tooth worn away in a cows mouth

radiometric dating

tree rings

2007-04-27 11:21:56 · 3 answers · asked by Anonymous

-Green eyes which gender?
-Black eyes which gender
How can you tell only the eye ball?

2007-04-27 10:45:34 · 7 answers · asked by Anonymous

2007-04-27 10:43:02 · 9 answers · asked by Sparky Parker 2

2007-04-27 10:28:32 · 3 answers · asked by skipinto 1

two parents with normal color perception have three children, two girls and one boy. The girls have normal color perceptin but the boy is red-green colorblind. Use punnett square to show the resulting genotypes and phenotypes of the parents and offspring.



a patertnity case involves these facts: the woman is blood type A+, and her child is blood type o-, and the alleged father is blood type b+. could he be the father? Explain using a puneet square.

2007-04-27 10:24:43 · 4 answers · asked by jlu 1

what is the importance of light in photosynthesis

2007-04-27 10:01:53 · 9 answers · asked by kfjsw 1

If I have hazel eyes and my baby's father has blue eyes...what are the chances the baby will have blue eyes?? And do baby's eyes change colors a few months after birth?

2007-04-27 09:38:26 · 14 answers · asked by Emily 2

biology subject

2007-04-27 09:19:26 · 3 answers · asked by jas 1

species of dogs

morphotypes of dogs.

populations of dogs.

examples of the convergent evolution of dogs.

2007-04-27 08:44:58 · 2 answers · asked by whatsinaname07 1

2007-04-27 08:43:59 · 4 answers · asked by miz 1

2007-04-27 08:00:04 · 6 answers · asked by raemonee 1

2007-04-27 07:19:45 · 10 answers · asked by Tommy M 1

2007-04-27 06:27:26 · 6 answers · asked by Anonymous

Four elements always present in protein are oxygen, nitrogen, carbon, and ____

a. sulfur
b. niacin
c. hydrogen
d. barium

2007-04-27 06:23:33 · 12 answers · asked by kissesfromhvn807 2

Or just give me a website..

2007-04-27 03:35:33 · 6 answers · asked by Anonymous