Thursday
July 30, 2015

Homework Help: Science: Biology

Recent Homework Questions About Biology

Biology
a) Initial filtration occurs when blood pressure forces fluid out of the __________ and into __________. b) Blood enters the glomerulus through the __________ and leaves through the __________. c) Describe what normally passes into Bowman's capsule. d) What substances are ...
Tuesday, July 21, 2015 by Anonymous

maths literacy, biology, geography, tourism
what course can i do with these subjects
Thursday, July 16, 2015 by zoliswa

Biology
1) Microscopic hairs of the windpipe are always __________. 2) The cilia of the windpipe move harmful substances __________. 3) You build a heavy gust of air when you __________ or __________. 4) Coughing and sneezing help push harmful substances from the __________.
Wednesday, July 15, 2015 by Anna

Biology
1) Mucus traps __________. 2) The windpipe is lined with sticky __________ and microscopic __________. 3) Tiny microscopic __________ are called cilia.
Wednesday, July 15, 2015 by Ben

Biology
1) The nose has small __________. 2) Hairs in the nose trap __________. 3) The nose makes a sticky liquid called __________.
Wednesday, July 15, 2015 by A

Biology
Breaks down proteins into polypeptides and amino acids What is the component?
Wednesday, July 15, 2015 by Anonymous

biology
Activates conversion of pepsinogen to pepsin. What is the component? What is the secretion?
Wednesday, July 15, 2015 by Anonymous

biology
what kind of wbc is involved in the production of antibodies
Thursday, July 9, 2015 by kisha

Biology
Record any two of the following temperatures in your lab environment. In each case, allow the end bulb of the Celsius thermometer to remain in or on the sample for one minute. Cold tap water in a 50 ml beaker = ___ Celsius Hot water in a 50ml beaker= _____ Celsius
Wednesday, July 8, 2015 by Penny

Science
Scientists who study abnormal animal behavior would probably know much about A. Astronomy B. biology C. Geography D. History
Wednesday, July 8, 2015 by Kimberly

biology
What is cyclosis?
Monday, July 6, 2015 by yasir Ali

Biology, evolution
how does biochemical molecules show evidence of evolution?
Thursday, July 2, 2015 by Crissy

Biology ( Ms.Sue help)
Ms.Sue I am sorry for not understanding you but I read your post and I still don't understand what the answer is. All I was asking for was a yes or no answer to my question.   Autosomes are _______ chromosomes.  A. abnormal B. homologous C. haploid...
Wednesday, July 1, 2015 by Brooklyn

Biology ( Ms.Sue help)
Sorry to bother you but am I correct for the answer homologous?
Wednesday, July 1, 2015 by Brooklyn

Biology ( Ms.Sue help)
   Autosomes are _______ chromosomes.  A. abnormal B. homologous C. haploid D. nonsex My guesses would be either B or D.
Tuesday, June 30, 2015 by Brooklyn

Biology
A large number of deer once lived on the Kalibab Plateau north of the Grand Canyon in Arizona, USA. In 1907 their predators, wolves, coyotes and pumas, were killed to protect the deer. What do you think happened after this?
Sunday, June 28, 2015 by Stoof

Biology ( Ms.Sue help)
 A parent with type AB blood could not produce a child with type  A. AB. B. A. C. B. D. O. I am stuck!
Thursday, June 25, 2015 by Brooklyn

Biology
  How does mitosis in plant cells differ from that in animal cells?      A. Plant cells lack centrosomes.">A. Plant cells lack centrosomes.B. Plant cells lack spindle fibers.">B. Plant cells lack spindle fibers.C. ...
Thursday, June 25, 2015 by Brooklyn

Biology
J.J. Thomson's experiments supported the existence of a particle that deflected away from a negative charge and toward a positive charge. Ernest Rutherford found that when positive particles were fired at gold foil, some of the particles deflected rather than passing ...
Wednesday, June 24, 2015 by Rafa

Biology ( Ms.Sue help)
Which one of the following is a trans fatty acid found in most snack foods?  A. Stearic acid B. Carboxyl acid C. Oleic acid D. Elaidic acid I've been trying to find this answer all day and I have no idea.
Wednesday, June 24, 2015 by Brooklyn

Biology
20.   Which of these is the smallest structure?  A. Dipeptide B. Polypeptide C. Protein D. Amino acid
Wednesday, June 24, 2015 by Brooklyn

Biology
Are nucleus and nuclei the same thing?
Tuesday, June 23, 2015 by Brooklyn

Biology
An example of a nonspecific defense provided by the skin is A)antibodies. B) fever. C) proteins. D) sweat. is it B?
Tuesday, June 23, 2015 by Rafa

Biology ( Ms.Sue help)
Which one of the following reactions occurs in the cristae of the mitochondria?    A. The prep reaction   B. Glycolysis   C. The electron transport chain   D. The citric acid cycle   B?
Tuesday, June 23, 2015 by Brooklyn

biology
A researcher puts brine shrimp in salt water for 24 hours. What is expected of this experiment?
Tuesday, June 23, 2015 by mmv

biology
the names of bons and cartilages in humen body
Monday, June 22, 2015 by nikita bhukar

Biology
  Which one of the following reactions occurs in the cristae of the mitochondria?   A. The prep reaction  B. Glycolysis  C. The electron transport chain  D. The citric acid cycle  B? 
Monday, June 22, 2015 by Brooklyn

Biology
Why do introduced species often disrupt an ecosystem?
Monday, June 22, 2015 by Sara

Biology
The water cycle is best described by which of the following statements? Water in the atmosphere must be converted to another chemical before animals can use it. The water on earth changes forms as it moves from one reservoir to another.>----- My answer As water moves ...
Sunday, June 21, 2015 by Sara

Biology
Which of the following biomes covers the largest area of earth? tundra marine-----> My answer grassland forest
Sunday, June 21, 2015 by Sara

Biology
In which case would a widely accepted scientific idea MOST likely be revised? A) when an error is found in a previous calculation B) when scientists calculate a quantity with greater accuracy C) when several well-tested findings go against the accepted idea Eliminate D) when ...
Friday, June 19, 2015 by Rafa

Biology
Genetic engineering is the manipulation of genes using cloning and transformation to change the gene structure. Genetic engineering has many positive outcomes. For example, A) gene therapy might cure one defect while creating another. B) genetic modification of foods can ...
Friday, June 19, 2015 by Rafa

Biology
   All of the rabbits, deer, and several bird species found within a field are considered to be part of a/an  A. population. B. ecosystem. C. biosphere. D. community. D?
Friday, June 19, 2015 by Brooklyn

biology help
Describe the hormeostatic control that occurs in the body of a normal person to increase blood glucose level when they are low
Thursday, June 18, 2015 by promice

Biology -- repost
(To whoever posted the first time -- DO NOT use any tutor's name where YOUR name should be. Impersonation of a tutor is not allowed on this website.) What are the biological terms of the following? 1.Reproductive structure in breadmould 2.acquired immunity obtained through...
Thursday, June 18, 2015 by Writeacher

biology help
What are the biological terms of the following 1.A diagram that show the evolutionary history of plant groups 2.hoploid cell which grows into a plant
Wednesday, June 17, 2015 by jonathan

navarro college biology
During the sequencing of dna into a protein, what is the first step?
Saturday, June 13, 2015 by robert

Biology
A man who has phenylketonuria (metabolic genetic disorder) marries a woman who is heterozygous at that locus. What is the probability that their first child will have phenylketonuria? Plz help asap
Thursday, June 11, 2015 by Summer.

Biology
Describe how the nervous system helps different parts of your body communicate with one another the moment you begin to pet a dog.
Tuesday, June 9, 2015 by Sara

Biology
If a tall plant (TT) is crossed with a short plant (tt), what percentage of the offspring will be short?
Tuesday, June 9, 2015 by Anonymous

Biology
Suggest why Ia and Ib alleles are dominant over Io allele. Why in IaIo genotype, the Io allele is masked
Thursday, June 4, 2015 by Dean

Biology ASAP
1.)Neurons are classified bye the... (Answer) Direction they carry impulses. I think its because the impulses go to different places, to its different neurons. 2.) Your alarm wakes you up in the morning and reminds you to get ready to go to school. Which type of neuron ...
Thursday, May 28, 2015 by Savannah

Evolution/Biology
What does the statement "The environment directs natural selection" mean?
Wednesday, May 27, 2015 by anonymous

Biology
with an example of the peppered moths when they changed color from light to dark due to pollution, what selection pressure is this? disruptive, stabilizing or directional?
Wednesday, May 27, 2015 by anonymous

Biology
Which example best illustrates the difference between a community and a population? A)The two terms are interchangeable, a population IS a community. B)All the people in a town would be a community; all their cattle would be a population. C)All the people in a town would be a ...
Wednesday, May 27, 2015 by Cara

biology
If A represents atomic mass and Z represents atomic number, which of the following describes an atom after a proton is emitted from its nucleus? A. A+ 1, Z + 1 B. A-1,Z-1 C. A+ 1, Z-1 D. A-1, Z + 1 My answer is B.
Monday, May 25, 2015 by sandra

Biology
How a radioactive element will decay over time?
Monday, May 25, 2015 by john

Biology
How can the mass transfer kc and ultrafiltration solvent flux be increased? Select one: a. Another stream of fluid can flow adjacent to the membrane to accumulate solute at the membrane surface b. Another stream of fluid can flow perpendicular to the membrane to accumulate ...
Saturday, May 23, 2015 by Clara

Biology
How does comparing the embryos of different organisms support the theory of evolution? The embryos of all organisms are identical. The stages of development of the embryos of different organisms are extremely similar, thereby suggesting common ancestors. The embryos of any ...
Friday, May 22, 2015 by Sara

Biology
Why was Charles Darwin able to offer a large amount of evidence for his theory of evolution by natural selection? He compiled the fossil record. He collected data for 5 years while traveling around the world. He conducted in-depth experiments with chemicals in England. He ...
Friday, May 22, 2015 by Sara

Biology
Based partially on his comparative studies of the fossils of woolly mammoths and the bones of modern-day elephants, Georges Cuvier proposed several new ideas about the history of life on earth. Which general statement can be made about this example? Through specific studies, ...
Friday, May 22, 2015 by Sara

Biology
Hi, one more question to clarify: How can the mass transfer kc and ultrafiltration solvent flux be increased? Select one: a. Another stream of fluid can flow adjacent to the membrane to accumulate solute at the membrane surface b. Another stream of fluid can flow perpendicular...
Friday, May 22, 2015 by Clara

biology
what is obesity? how to prevent obesity? and how to do a proper diet?
Thursday, May 21, 2015 by elly

Biology
What is the osmotic pressure of the salt solution in reverse-osmosis? Select one: a. An equilibrium state where the amount of solvent passing in opposite directions is equal b. An equilibrium state where the amount of solvent passing in one direction is greater than other ...
Thursday, May 21, 2015 by Clara

English
Which sentence is punctuated wrong. Who borrowed Celeste biology books? Who borrowed Celeste's biology books? Who borrowed Celestes' biology books? Who borrowed Celestes's biology books?
Wednesday, May 20, 2015 by Connor

Biology
Which organ systems help deliver oxygen to body cells? I think that its the enodcrine and lymphatic systems the other choices are A.respitory and excratory B.muscular and immune systems C.respiratory and circulatory systems
Wednesday, May 20, 2015 by Connor

Biology
Which of the following helps explain why fungi are now classified in a separate kingdom from plants? A. The cells of fungi are not surrounded by cell walls B. Fungi are heterotrophs that cannot make food by photosynthesis C. The cells of fungi do not contain a nucleus D. All ...
Tuesday, May 19, 2015 by :)

Biology
A new pesticide that inhibits egg cell development in!@#$%^&roaches is being widely used in U.S. homes. As predicted, a number of common!@#$%^&roaches initially declined but is now more common than it was before the pesticide was introduced. Which of the following is most ...
Tuesday, May 19, 2015 by :)

biology
How can i Describe the pathway and processes of ingestion,digestion,absorption and assimilation involved when a person has eaten a buttered polony sandwich
Sunday, May 17, 2015 by happy

Biology
How can i describe how a pierce of bread is digested and assimilated into the cells of a human body thanks in advance
Sunday, May 17, 2015 by Lesedi

Biology, agriculture, economics
How much damage in dollars has Tobacco Mosaic Virus caused in the U.S. in recent years? I'm working on a paper, and I've scoured the internet, google scholar, USDA website, the DHHS, Penn Stae and I can't find anything. Need a source to site as well. Any help is ...
Saturday, May 16, 2015 by TMV's US Damages

biology
equation of photosynthesis
Saturday, May 16, 2015 by Mahlako

science or biology
Similarities in the early development of chickens and opossums suggest that these organisms share a __________. I think is common ancestor
Thursday, May 14, 2015 by claudia 2015

biology o science
Very few fossils of jellyfish or their close relatives have been found. This makes it hard to trace the evolutionary history of jellyfish using the fossil record. What explains this? (1 point) Jellyfish fossils are buried deep under the ocean floor, not in land areas where ...
Thursday, May 14, 2015 by claudia 2015

biology
Butane gas (C4H10) is burned to produce carbon dioxide and water vapour. If 12.8 mol of butane are completely burned, how many moles of water vapour are produced?
Monday, May 11, 2015 by Silver

Molecular Biology
How large is the genome of Alcaligenes faecalis?
Saturday, May 9, 2015 by Sarah

biology
how do cardiac action potentials initiated in the human heart
Thursday, May 7, 2015 by eee

biology
the respiratory systems of mammals and birds adapted to maximise the extraction of oxygen from air. How has did this happen.
Tuesday, May 5, 2015 by eed

biology
A toxin from a poisonous mushroom has been identified as a hydrophobic weak acid. It somehow can find its way to the inner membrane of mitochondria where it gets protonated on the outer surface of the membrane but deprotonated on the inner surface of the membrane. It would ...
Thursday, April 30, 2015 by pete

biology
A toxin from a poisonous mushroom has been identified as a hydrophobic weak acid. It somehow can find its way to the inner membrane of mitochondria where it gets protonated on the outer surface of the membrane but deprotonated on the inner surface of the membrane. It would ...
Wednesday, April 29, 2015 by pete

Biology
What is osmosis
Monday, April 27, 2015 by Jeff

ART Check
How would a visual effects designer working on an animated movie with human characters best use knowledge of biology? Knowledge of biology can help the designer to create accurate human features.**** Knowledge of biology can help the designer to create an action packed film ...
Wednesday, April 22, 2015 by koolkid

biology
Does Aspirin do something to the reaction of amylase with starch ?
Monday, April 20, 2015 by shavell

Biology
what is an adaptive radiation
Monday, April 20, 2015 by Anonymous

biology
1.1 The gametophyte generation in a fern plant changes to the sporophyte generation by A.fertilisation B.melosis C.asexual reproduction D.fusion of spores the answer is A.fertilisation right? 1.2 the male cone differs from the female cone in the pine in that A.only the male ...
Sunday, April 19, 2015 by john

Biology
If gametes have only one copy of a chromosome, then do egg cells have only an X chromosome?
Thursday, April 16, 2015 by Anonymous

biology
Certain insect species have become more and more resistant to insecticides. What type of natural selection is this, and how does it differ from the other types?
Wednesday, April 15, 2015 by Madison

biology
Closed head injury: A. involves damage to the cortex, axons, and ventricles. B. reduces the risk of Alzheimer’s disease. C. can result in Parkinsonism. D. involves penetration of an object into brain tissue. I chose C
Monday, April 13, 2015 by phia

biology
__________ is the neurotransmitter released by the taste receptor cells. A. GABA B. Glycine C. Dopamine D. ATP Is it A?
Monday, April 13, 2015 by phia

biology
Which of the following is true of skeletal muscle? A. Contraction of skeletal muscle can alter blood flow through the heart. B. Skeletal muscle contraction produces movements of the body. C. Skeletal muscles pump blood throughout the body. D. Flexion of a skeletal muscle ...
Monday, April 13, 2015 by phia

Biology
Could you potentially use up all of your memory B and T cells for a specific antigen and become susceptible to that antigen again?
Monday, April 13, 2015 by Caroline

Biology, Chemistry
I know how to carry out an absorption spectrum I just need help on how to to prepare my test tubes and what to put in then. I am very confused and any help would be greatly appreciated. THANKS ! You will be given a sample containing an unknown concentration of protein (Bovine ...
Monday, April 13, 2015 by Arooj

biology
How does the plant regulate what is able to enter into the stem of the plant? Does it have something to do with the casparian strip?
Sunday, April 12, 2015 by K

biology/science
What are the biological terms for the following 1.process in biotechnology that is used to make human insulin in a bacterial cell 2.white blood cells produce antibodies in response to pathogens
Saturday, April 11, 2015 by morongwa

biology
(purple smooth = 75, white smooth = 28, purple wrinkled = 24, white wrinkled = 8) Account for the difference between the expected and experimental values.
Friday, April 10, 2015 by dk

biology
What is the role that sensors play in the maintenance of homeostasis in the human body?
Friday, April 10, 2015 by Jade

Biology
What are two roles restriction enzymes play in transformation
Wednesday, April 8, 2015 by Avery

Biology HELP
How do you know whether something is homozygous dominant or heterozygous dominant?
Monday, April 6, 2015 by Missy

Biology
Assume you had a round seed garden pea plant and you wanted to find out whether the round seed plant was homozygous or heterozygous. What would you do? (Round is dominant to wrinkled seed)
Monday, April 6, 2015 by Missy

biology
I have to write an essay on about why organ donation should be mandatory in Canada. I need help thinking of arguments. Some that I have thought of are: 1. there is a shortage of organs for transplants 2. it improves the life of the recipient 3. After death organs can be of use...
Wednesday, April 1, 2015 by Mathew

biology
What is relative dating?
Wednesday, April 1, 2015 by stupid

biology
EVOLUTION (fill in the blanks) Natural selection is the BLANK for evolution As a result of natural selection, organisms with more BLANK traits are more likely to BLANK, BLANK, and BLANK on the favorable traits to their offspring. These traits are passed on from generation to ...
Thursday, March 26, 2015 by Lana

biology (fill in the blanks)
Big picture of natural selection/ keep in mind… Natural selection doesn’t move in a BLANK BLANK Natural selection is not a BLANK process Natural selection isn't BLANK; Its all relative to the BLANK. Its from a study form. These are the ones I don't know.
Thursday, March 26, 2015 by Lana

biology
Economists were thinking that if the human population grew unchecked, there wouldn’t be enough living space and food for everyone. What was Malthus’ conclusions?
Wednesday, March 25, 2015 by Ariel

biology
‘Biologists’ suggested that organisms have been around for a long time and can change too. What was Larmarck’s conclusions?
Wednesday, March 25, 2015 by Ariel

Biology
8) Describe the difference between a prosthetic group, cofactor, and coenzyme; provide an example of each.
Tuesday, March 24, 2015 by Ryan

Biology
The metabolic pathways of organism living today evolved over a long period of time- undoubtedly in a step wise fashion because of their complexity. Considering everything you have learned to date about the evolution of life on Earth, put the following in the order in which ...
Monday, March 23, 2015 by Trinh

Biology
Pick the correct answer, and explain why it is correct. If the pressure in the thoracic cavity increases and the pressure in the ventricles due to venous return remains the same, A. Stroke volume will decrease B. heart rate will decrease C. Cardiac output will increase D. ...
Monday, March 23, 2015 by Sarah. (please help)

biology/evolution
many of the orchids alive today have nectar that doesn't have any sugar in it. Why are there presently-living orchids whose nectar lacks sugar?
Sunday, March 22, 2015 by plsss

Biology
What does b-mercaptoethanol do to secretory proteins?If you forgot to add b-mercaptoethanol to a secretory protein, would the protein's migration likely speed up or slow down? Why?
Sunday, March 22, 2015 by Ryan

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Homework Help: Science

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