science, biology

40,352 results, page 28

Biology

what do the following do in a cell: Smooth endoplasmic reticulum Mitochondrion Ribosomes Golgi apparatus Nuclear envelope

Biology please assist

1. Where is pH found? 2.what is the function of pH? 3.what principle guides the phenomenon of pH? 4.what is acid rain ?how is it related to pH values?

Biology

Describe what you observed in the hands-on animal behavior lab. What conclusions did you draw from the data? Explain your answer.

Biology

If two samples of DNA are different concentrations and I was to add them, I do need to divide by the total volume, right?

AP Biology

What are the phenotypes of the long-nosed cusimanse? I can't find any site about their body structure or function either.

biology

Which organelle(s) are likely to be involved in the reduced efficiency of amino acid recycling in wimpys liver cells?

biology

If allele frequencies change, natural selection must be acting in some way. True or False?

biology

a. what are the composition in nutrient broth? b. give 5 different types of media used for cultivation of microbes and define each?

biology

Compare respiratory systems of the earthworm, frog, and squid, explaining how the specimen breathes and what organs are involved.

Biology

Beside parasitism, invertebrates exhibit various other symbiotic relationship explain with examples? Please help me

Biology

What is a protein that transports ions across the plasma membrane without requiring energy or changing shape?

Biology

Name and briefly describe two traits that amphibians and reptiles share that are not common to all vertebrates

biology a1

What substance diffuses across the membrane in osmosis? A>> glucose B>> ions C>> water D>> amino acids I'm thinking A

Just for I.AM..RUNNING.FROM.MYSELF,

I'm doing a poster in science and its about radon. Radon is a radioactive gas and it causes lung cancer, but i don't know what to do for the poster and it's due March 16,2012 but i have to turn it in by tomorrow so that the poster can get to the science specalist so the ...

science-biology help

knowing that as the steepness of a concentration graident increases, the rate of diffusion increases, explain how a single celled organisms would respond in an oxygen rich pond compared to an oxygen poor pond. I'm not really sure but in an oxygen poor pond there is a small ...

Biology helppppppp

1. Why was communication through books, letters, and lectures such an important factor in the development of the cell theory? What do you think would happen if scientists today were unable to communicate with each other? In science, we build on the works of others. If we know ...

Science

I would like to know does this statement makes a good hypothesis for my paper(or)can someone give me some type of insight on how to word it correctly. "My paper will prove that homosexuality is a phenomenon that maybe due to biological factors, enviromental infulences or a ...

science

Can anyone think of a fun experiment to do with blood for a 9th grade science class? Try not to be too flashy-my teacher has a rather limited budget

To: DrBob222

Can you please check my previous science post. As of right now, you are the only science teacher on this site--which is why I am pleading you to. Thank you very much:-)

science

what factors affect plant growth, i nkow light, water, and all the stuff but more things please, for my science project!:)

Science

much force is Mike applying to the 1000 kg car to make it accelerate at a rate of .05 m/s2? I need help understanding this.. I'm really bad at science...>.<

Science

On the movie, Bill Nye the Science Guy, what was the seventh energy after thermal, elctrical, nuclear, sound, solar, and chemical?

Pre-AP physical science

What is the best way to set-up my science fair project that is 40% of my 2nd semester grade and credits ?? A little lost

Physical Science,Maths, L.O,Life Science

What Subject do i need to study at FET Level if i want to become a Social Worker one day

Science

Hi!I wished you can help me with my science fair project.I don't know what to do or which to pick.Please help me.Any suggestion?I'm a fifth grader by the way.I appreciate it a lot. Endless Thanks, Marie

Science

When entering science lab, which of the following should be done by science students? Students should start working on their experiment. Students must talk to their lab partner to see what they need to do next. Students must wait for their teacher to give instructions.*

Science Help

Can someone explain how a mutation in an individual's DNA occurs? I have no idea. And what is the effect it may have on the individual's traits? This is for my study guide of science, and I suck at science, but I am to shy to ask my teacher. Yes, I know sooner or later, I will...

Mathematics

Of the 82 pupils in grade 9, 73 take mathematics 56 take science, all those who take science take mathematics. Show the information on the venn diagram. How many take neither mathematics nor science?

Science, Nature Science,ence, Nature Science,ence

How does water help us stay cool?

Science Fair

My friend told me this science fair at Rockland, Rockland Sit Fair and I'm doing my science fair project on about the human body like junk food vs healthy food. What title I should use it for???? Plus can you give me the right information about this. Please Thank You!!!

heat/science Xtremely important

Please help! I need a good website for HEAT in science! I'm in 8grade and I need info on heat http://www.school-for-champions.com/science/heat.htm

Statistics

Which Professor? Suppose Professor Alpha and Professor Omega each teach Introductory Biology. You need to Decide which professor to take the class from and have just completed your introductory statistics course. Records obtained from the past students indicated that students ...

science fair

I need a science fir project!! I looked on a thousand of websites online but they give no interesting idea. I am in 6th grade and i need something at a 6 grade level that is easy a science fair project that is do in 1 week. i am in 6 grade and i don't need experiments from the...

Biology/Chem

Can someone please explain how I would write the equation for the hydrolysis of lactose using structural formulae? Thanks.

Biology

why do some cells burst when exposed to ouabain? (a drug that is used to treat heart failure and affects the Na+/K+ ATPase)

BIOLOGY

1) How does an ionic band different 2)What are some example of elements? name the eletrical charged of a proton, neutron and eletron?

Biology

Describe how a sample of whole chloroplasts could be obtained from leaf tissue please could someone point me in the right direction

biology

The removal of which of the following would have the biggest impact on marine ecosystems? a. fishes b. whales c. shrimp D. plankton

Biology

How do u figure out the initial rate of an enzymatic reaction when they only give the time in seconds and the product formed?

biology

what are the five basic things to survive? I have water, food, shelter, and air but I am stumped on the last one please help!!!!

biology

will a dialysis tube swell/expand after being immersed in a beaker of water for several hours? if so why has it swelled?

biology

will a dialysis tube swell/expand after being immersed in a beaker of water for several hours? if so why has it swelled?

biology

i am looking for proof that oxygen comes from water and not from carbon dioxide. can you send me a link or a brief explanation on this subject? thanks.

Biology: Cells

Why is it important that ions being transported across a cell membrane be shielded from the interior of the lipid bilayer?

Biology, Please Help!

Why is it important that ions being transported across a cell membrane be shielded from the interior of the lipid bilayer?

AP Biology

Why is it that the Calvin cycle is able to occur in the dark, but indirectly relies on sunlight? -Can someone give me a brief description?

Biology

What evidence did Watson and Crick use to determine that DNA is a helix? Is there another cellular macromolecule that can assume a helical shape?

Biology/Health 12

Explain why only one corpus luteum may be found in the ovaries of a woman who has given birth to triplets. THANKS!

biology

Oh my! I have absolutly no Idea what Caudal Prehension is, or short defecation time, or pulmonary vusculature! Can anyone help please? Thanks Minnie

micro biology

which of these would you expect to be used in food preservation? A. iodine b. isopropanol c. organic acids d. heavy metals

biology

Scientists do their experimental tests more than once so they can reduce the effects of chance errors. This is called conducting ____________?

Biology

What is the role of lysosome in the cell? I have searched the web also tried google but there is no appropriate answer. Plz... help

AP biology

question 5 asks how did the KOH affect the water movement in the respirometer. Does anyone know the answer cuz i drew a blank on that one.

biology

h ttp://i726.photobucket. com/albums/ww263/fornss/b iology2.jpg?t=1234820797 (remove spaces)

biology test

CAN YOU PLEASE HELP ME with a definition for my study guide of DNA polymerases. I have found many on the internet but not quite getting it.

Biology

how can traits determine the characteristics of an organism? and what would happen if a base [i'm assuming in the dna sequence] is out of order?

Biology

explain clearly the difference between independently assorting genes and those that are linked, and the influence this has on gamete production

biology

im kind suck on this one can anyone help me out: explain four ways through which your body natually deals with microbes.

biology

What is the impact of physical activity on cellular respiration? Why do we need to cool our bodies by sweating when exercising? What is homeostasis?

biology

How did the primordial atmosphere, photosynthesis, oxygen, the ozone layer, and the endosymbiotic theory influence the origin of living organisms?

biology

why has surprisingly little use been made of distillation of seawater as a source of driking water in arid areas?

Biology

What are the genus and species of Dragonfly, Water Boatman and Caddisfly??? I've looked all over the internet and i cant find the answer!!!!

biology

how do van der Wheels forces hold molecules together? please help i tried but i still cant understand it. thank you so much.

biology

why do plants produce far more sugar than they need? why do they not stop photosynthesis once immedaite needs are met?

biology

nitorgen has an atomic number of 7. which of the following elementshave similair chemical proteries? carbon, neon, phosphorus, or sulfer?

biology

Name an adaptation of acoelomate or pseudoceelomates explain how it developed and why. discuss the role DNA played in the development of this trait

Biology

In what kind of food is each of the following substances found: a)lactose b)sucrose c)cellulose d)sunflower oil e)liquid protein.

biology

4. Which of the following species is extinct? 1 American bald eagle 2 bison (buffalo) 3 passenger pigeon 4 giant panda

Advanced Biology

In a cross of two individuals hereozygous for a single trait, what genotype and phenotype ratios would be obtained?

Biology

Where do tertiary base pair interactions largely map onto the three-dimensional structure of tRNA? What is their purpose?

biology

what are three ways for an animal to lose water; what are other sources of carbon dioxide[besides animals exhaling]?

biology

what are three ways for an animal to lose water; what are other sources of carbon dioxide[besides animals exhaling]?

biology

what are three ways for an animal to lose water; what are other sources of carbon dioxide[besides animals exhaling]?

Biology

Explain how the half-life of a radioactive isotope affects the usefulness of that isotpe in dating specific types of rock?

Biology

Why was it so important to keep all cellular fractions at or near 0 degree C throughout the entire isolation/purification procedure?

Biology / Biochemistry

How will the conformation of an Enzyme (a protease) be affected when the amino acid residue is substituted with glutamate instead of glutamine?

Biology

What is the habitat and # of living species of: 1.single celled protozoa 2.joint legged arthopods 3.back bone chordates

biology

How many Calories are found in a food sample if burned in a calorimeter is raises the temperature of 1000 grams of water 58 degrees?

biology

a) Explain why the knee-jerk reflex still functions in a person with a severed spinal cord. b) Why is there no sensation of the stimulus?

Gr.11 BIOLOGY

Indicate whether you agree or disagree with the following statement: “Cola drinks do not qualify as food.” Explain you answer.

biology

two members of the same ___ would be most clostly related. a. order b. group c. genus d. species

biology

true or false water requires less heat to change its tempertature than do most other common liquids

biology

Amoebas are unicellular consumers that lack complex organ systems and are found in damp enviroments. To what kindom do they belong

biology

Identify one specimen of each of the following a)monera, b) protists c)fungi. Also distinguish the differences among the groups

biology 101

describe ecosystem of temperate rain forest population growth and regulation through community interactions

Biology

a) How do CO2 and O2 levels in the blood regulate breathing movements? b) Explain how these mechanisms are a good example of homeostasis. Help me please :(

biology

A gene for flower color can have multiple alleles like purple, white, or red. true or false?

Biology

An organism has three independently assorting traits AaBbCc. What fraction of its gametes will contain the recessive gene abc?

Biology

Darwin believed that Malthus' ideas about human populations applied more strongly to animals and plants. Why?

biology

how to label the ecstasy molecular structure plz name each part the formula is C11 H15 NO2 HCl

Biology

Name the intermediates of the Calvin cycle... I am thinking it is 1) Carbon fixation 2) Reduction 3) Regeneration But I believe it is wrong because they are stages... :S help anybody?

biology

If an elodea leave is place in pure distilled water, what will happen? plus will this be isotonic or hypertonic or hypotonic solution.

biology

A gene for flower color can have multiple alleles like purple, white, or red. True ot false?

Biology

Which term describes an organism's ability to maintain a stable internal environment? (1) reproduction (2) extinction (3) locomotion (4) regulation

biology

Sugar maple trees are tapped in the spring. how far into the tree would you haev to go to tap the syrup?

biology

In reference to plant and animal adaptations, how are the principles of heredity and genetics applicable to how organisms change over time?

biology

Relate the various levels of organisms to those of nonliving entites. Use specific examples to explain your answers?

Biology

A student claims the probability a human sperm will receive all chromatids of maternal origin is 50 %. Explain why she is wrong.

Biology

A student claims the probability a human sperm will receive all chromatids of maternal origin is 50 %. Explain why she is wrong.

biology

i didn't really get any help scientific theory of how life began? any ideas like a easy thing to write about plz

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  26. 26
  27. 27
  28. 28
  29. 29
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
  38. 38
  39. 39
  40. 40
  41. 41
  42. 42
  43. 43
  44. 44
  45. 45
  46. 46
  47. 47
  48. 48
  49. 49
  50. 50
  51. 51
  52. 52
  53. 53
  54. 54
  55. 55
  56. 56
  57. 57
  58. 58
  59. 59
  60. 60
  61. 61
  62. 62
  63. 63
  64. 64
  65. 65
  66. 66
  67. 67
  68. 68
  69. 69
  70. 70
  71. 71
  72. 72
  73. 73
  74. 74
  75. 75
  76. 76
  77. 77
  78. 78
  79. 79
  80. 80
  81. 81
  82. 82
  83. 83
  84. 84
  85. 85
  86. 86
  87. 87
  88. 88
  89. 89
  90. 90
  91. 91
  92. 92
  93. 93
  94. 94
  95. 95
  96. 96
  97. 97
  98. 98
  99. 99
  100. 100