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In three to five sentences, construct an argument for the claim that natural selection leads to evolution. Provide evidence for
12 answers
asked by
lill baby girl
5,500 views
Video Question: What caused the recent population spike of rabbits in Australia?
* 1 point A weather pattern called El Nino, the
4 answers
asked by
bob
377 views
In 3-5 sentences, explain how the rate of photosynthesis or cellular respiration can be measured using products or reactants.
Exp
15 answers
asked by
Marci
19,054 views
The cell membrane is a highly selective barrier that controls the movement of substances in and out of the cell. In fact, polar
12 answers
asked by
Monique
6,575 views
What effect did the rabbits have on their new habitat?
* 1 point the rabbits ate the native plants causing erosion, damaging
4 answers
asked by
bob
353 views
An organism is composed of two layers of cells. A student is observing one of the layers with a compound microscope under high
6 answers
asked by
Anonymous
2,899 views
Cells and Body Systems Unit Test unit 4 lesson 13
3 answers
asked by
bon
388 views
What kinds of body plans are seen in fungi?
1 answer
asked by
jennifer
444 views
Evolutionary theory is based on several assumptions. What are these assumptions and are they valid?
3 answers
asked by
Anonymous
463 views
You want to design a breathing machine that will bring 500 mL of air into the lungs. You begin with 100 mL of air at 2 atm of
4 answers
asked by
Anonymous
1,935 views
You are a doctor in a hospital, and a patient is experiencing trouble with her skin repairing itself from a cut. The patient is
4 answers
asked by
Victoria
3,172 views
How do catalysts affect a chemical reaction?
1 answer
asked by
jaqavion
414 views
Prior knowledge... Which is a list of abiotic factors that will limit the carrying capacity of a species?
1 point water
3 answers
asked by
bob
166 views
How can their be similar characteristics of two diffrent speices, such as a tiger and cheetah. explain.
Species can share similar
1 answer
asked by
Anonymous
602 views
so the question is : List three different factors which influence the rate of enzyme activity and specifically explain each
1 answer
asked by
bobs
1,117 views
4. During the process of photosynthesis, light energy is used directly in the
A. formation of ATP B. reduction of NADP C.
1 answer
asked by
adam
834 views
Why is nitrogen fixation necessary? How is it accomplished in nature? How can soil nitrogen be supplemented for agriculture?
1 answer
asked by
jenni
418 views
1. how is air drwan into the lungs and forced out of the lungs?
2.how do pressure gradient play a role an dhow are these pressure
1 answer
asked by
Tammy levy
573 views
Physiology:
1.Is Cortislim the miracle it is claimed to be? Or, is it bunk?
1 answer
asked by
tammy Levy
514 views
Cortislim is an herbal supplement that claims to regulate the hormone cortisol to "healthy levels" in order to aid in weight
1 answer
asked by
tammy Levy
471 views
The binding of alanine to tRNAala is mediataed by the enzme
a. aminoacyle -tRAN SYNTHSEA B. AMINO-tRNA syntahse
1 answer
asked by
Tammy Levvy
365 views
1. The number 1,2 and 3 are the nucleotides of the anticodon for the mRNA codon 5' AUG 3'. Thus in order of 1, 2 and 3 the
1 answer
asked by
Tammy Levvy
402 views
1. DAG activates _______.In turn kinase_____ its own substrate
a. PKA, phosphatates b. PKA, phosphorylates c. PKC, phosphates d.
1 answer
asked by
tammy
512 views
What is life
Everything you do and the meaning of humans! Ha! Short and simple! I assume that you want the characteristics that
1 answer
asked by
Peter
468 views
explain and illustrate how the long-term survival of a species depends on resources that may be limited from time to time.
If
3 answers
asked by
kk
1,719 views
compare short and long life-history patterns.
http://www.hhmi.org/cgi-bin/askascientist/highlight.pl?kw=&file=answers%2Fgeneral%2
1 answer
asked by
kk
380 views
If our tongue is only sensitive to sweet, sour, salt, and bitter tastes, how are we able to detect so many different flavors?
htt
1 answer
asked by
rob
390 views
In an industrial accident, a sharp fragment of metal entered the head of a worker and lodged in the bony area where the
3 answers
asked by
bio
589 views
Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2
1 answer
asked by
Rozaliya
401 views
i need info on carbon atom cycle. i need atleast 10 transformations....help
Since this is not my area of expertise, I searched
1 answer
asked by
h boy
471 views
given: 6 fingers is an x-linked trait and is recessive (5 fingers being dominant
question: if you have a father with 6 fingers
1 answer
asked by
cookie
900 views
what is the advantage of stopping mitosis at metaphase when making a chromosome spread?
it is advantageous to stop at metaphase
2 answers
asked by
Blake
896 views
a brown mouse is crossed with hertozygous black mouse. if the mother has a litter of four, what are thae chances all of them
3 answers
asked by
Hela
1,970 views
explain why yhe concept of gene pools appies to the populations but not to species.
1 answer
asked by
JOSE
326 views
how does a Dichotomous Key work.
Thank you for using the Jiskha Homework Help Forum. Be sure to visit the following sites: 1.
1 answer
asked by
alfonso
447 views
Under what situation(s) can a single environment be both coarse-grained and fine-grained.
I was thinking in an envirnomental
1 answer
asked by
Kelly
402 views
What is a biofilm, and how is it used?
1 answer
asked by
jennifer
254 views
name the chemical process that occurs within the mitochondria of all plant and animals cells?
3 answers
asked by
anna
480 views
why would the population of lions or pumas increase over time? would would affect this increase. For example if in 1975 there
1 answer
asked by
jannie
389 views
please could someone give me good websites which so a fully labled ventilation system of a fish and gills
1 answer
asked by
sam
314 views
is the answer to my question monosaccharides, polysaccharides lipids proteins?
1 answer
asked by
tammy
640 views
I think I got it
carbohydrates lipids proteins nucleic acids correct? still haven't found the basic element yet. I think it is
1 answer
asked by
tammy
307 views
why are triglyceride not considered to be polymers?
please could someone help me! thank you!
1 answer
asked by
sam
404 views
the replication fo DNA occurs?
3 answers
asked by
suzie
386 views
why was it important to cover each beaker with a piece of aluminum foil?
3 answers
asked by
Anonymous
1,395 views
[IMG]h t t p://i32. tinypic. com/ann3ow.jpg[/IMG]
I do not know what to put for any of the answers..i have somewhat of an idea
7 answers
asked by
maggie
439 views
What does a skeltal muscle fiber look like? I looked in google, but it shows images of skeltal muscle.
1 answer
asked by
laura
303 views
what are significants of Evolution of Eukaryotes ?
1 answer
asked by
bio
439 views
what is Neurogalia? and example of it ?
2 answers
asked by
micheal
483 views
Compare and Contrast: diglyceride vs. dipeptide vs. disaccharide
Compare and contrast: GTP vs. UDP vs. AMP
2 answers
asked by
Anonymous
582 views
do skeletal muscle cells have cilia or flagellum
3 answers
asked by
julie
414 views
Describe the events that occur the neuromuscular junction using the following terms, ("ligand-gated", "voltage-gated",
2 answers
asked by
Anonymous
531 views
what major impacts that Gregor Mendel make on future generations
1 answer
asked by
John
376 views
I know that hydrogen bond connects the nucleotides of each strand, but what type of bond holds the two strands together? is it
1 answer
asked by
Anonymous
378 views
In summer squash, white fruit color is dominant. Yellow is recessive. A squash plant that is homozygous yellow one. Predict the
3 answers
asked by
Anonymous
1,797 views
In the four steps of "AEROBIC CELLULAR RESPIRATION" where do the Intermediate Step take place in a cell; Krebs Cycle - Where
2 answers
asked by
Lauren
526 views
1. You have characterized two distinct genetically inheritable traits.
They are inherited together most of the time, but not
1 answer
asked by
jay
421 views
Explain this statement "An important step in the history of life on Earth was the evolution of eukaryotic cells from
1 answer
asked by
Jennifer
412 views
similarities between and oxidative phosphorylation and photophosphorylation
1 answer
asked by
Helen
389 views
Can someone provide me the help to explain this statement:
"An important step in the history of life on Earth was the evolution
1 answer
asked by
Helen
304 views
last question about bio
Explain the statement below: “ Biological evolution began when cells formed”
1 answer
asked by
Helen
933 views
during what process does the cell divide into two daughter cells?
1 answer
asked by
kristyn
416 views
can someone help me with find the website to explain the cause of this statement "Eating too much yogurt will cause catareact"
Th
1 answer
asked by
Jennifer
429 views
what is the purpose of valves in ventricle?
1 answer
asked by
Vivian
261 views
In heart sound contain of two sound "Lub" and "Dub" When one of these sounds is not distinct, but is more of a gurgle, a person
2 answers
asked by
Vivian
487 views
How do animals get their food? What body plans are associated with each of the major life strategies found in animals?
1 answer
asked by
Vivian
379 views
How are the various types of blood vessels different in structure? How do these structural differences relate to their
2 answers
asked by
denise
552 views
what is the role of ATP in muscle contraction?
What is the role of calcium in muscle contraction?
1 answer
asked by
Josh
487 views
In word, Describe how you would calculate the concentration of green pigment. Assume that your 1/100 solution had an Abosrbance
1 answer
asked by
Vivian
481 views
what are the 13 elements most common to life?
1 answer
asked by
Tyrona
354 views
other than the fact that they are specific, why do enzymes make good drug targets?
1 answer
asked by
Anonymous
272 views
if you had two fish in two separate containers with different volumes (a-more water and b- less water)which container would have
1 answer
asked by
Anonymous
382 views
what types of stimuli can cause the gates on ion channels to open or close?
1 answer
asked by
brittany
401 views
what adjustment of the microscope shows the cell's depth.
I have already searched google.....please help!
1 answer
asked by
jess
332 views
how does acute pancreatitis affect organs of the digestive system?
does anyone know its answer?
1 answer
asked by
jess
388 views
how can we treat acute pancreatitis? how will the treatment function(what will it do to the organ)?
5 answers
asked by
jess
403 views
Action potentials are generated along a neuron because __________. [Hint]
of cytoplasmic streaming within the neuron
2 answers
asked by
carol
673 views
In humans, the ABO blood type is under the control of autosomal multiple alleles. Red-green color blindness is a recessive
3 answers
asked by
bill
3,545 views
If a cell is like a school then the nucleus would be...?
rank the following terms from simplest to most complex: cells,
2 answers
asked by
Jeanine
667 views
I did a DNA fingerprinting lab and I can't understand some of the questions.
1) Different restriction enzymes are isolated from
4 answers
asked by
bill
1,442 views
T or F? stem cells in the bone marrow can produce more than a dozen types of blood cells, replacing those lost due to normal
2 answers
asked by
jess
572 views
Describe how the Expression of the gene of interest could be ensured
2 answers
asked by
phil
611 views
On the archipelago of the Galapagos Islands, which most geologists believe to be of volcanic origin without ever having had any
2 answers
asked by
phil
681 views
Hi. i know I already posted this but I don't understand how polyploidy contributes to evolution in finches of the galapagos
3 answers
asked by
phil
674 views
how does the life cycle of hatena compare to the origin of eukaryotic cells as noted in Margulis’ Endosymbiotic Theory?
somethi
1 answer
asked by
erin
396 views
What is formed during gastrulation?
1 answer
asked by
jennifer
349 views
What causes a monosomy of chromosome 20?
4 answers
asked by
Kendra
293 views
How do you draw a tetrapeptide from the one letter codes(Amino acids) and also give the pI, if given the pKa values?
For example
1 answer
asked by
jeff helper
415 views
Scientists often want to know if the genetically transformed organism can pass its new
traits on to its offspring and future
2 answers
asked by
sam
625 views
what are the three major steps of Gregor Mendel's garden pea experiment?
1 answer
asked by
najee
490 views
4. In the Krebs cycle (or citric acid cycle), starting with citrate, what happens?
a. Organic compounds become more reduced and
1 answer
asked by
doug
478 views
5. What is meant by the term “carbon fixation”?
a. The release of CO2 from glucose during catabolism b. The delivery of CO2
1 answer
asked by
doug
487 views
Assignment: Photosynthesis and Cellular Respiration
Energy acquisition is essential for all life. Whether the organism is
4 answers
asked by
sabrina
1,417 views
Determine the number of colonies counted on the LB plate in the following transformation experiment.
The amount of plasmid on the
2 answers
asked by
Frank Minimi
561 views
why do fertilized plants have nodules
1 answer
asked by
sue
284 views
A corn plant producing ears of corn is an example of: a.growth b.reproduction c.development d.all of these
4 answers
asked by
M
1,273 views
why are plant cells generally box like and rigid?
1 answer
asked by
helloooo
346 views
why are plant cells generally box like and rigid?
2 answers
asked by
hello
465 views
why is it difficult to describe a typical animal cell?
1 answer
asked by
hello
445 views
The change in GIBBS free energy=
(total energy change)-(volume change energy) -(entropy change)(temperature)=change in "useful"
2 answers
asked by
Alissa
530 views
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