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Homework Help: Science: Biology

Recent Homework Questions About Biology

BIOLOGY
Discuss the substances needed to carry out the food making process (photosynthesis) by plants and the products of such process.

BIOLOGY
Identify name at least one biological science problem and prepare a procedure on how to solve such problem then recommend solutions.

BIOLOGY
How will you prepare a laboratory procedure to verify the validity of the hypothesis? Give example.

BIOLOGY
Why is a control set-up being done in the conduct of an experiment? Give example.

BIOLOGY
Why are traits/scientific characteristics important in the field of science?

BIOLOGY
How could you repair an electric fan that is not working properly? Apply the scientific method.

BIOLOGY
Why is there a need for a scientist to know the limitations of science?

Biology 1
Does anyone know of a Photosynthesis concept map that includes all of the following: Photons, thylakoids, reactions, sun, NADPH, carbohydrates, xanthophyll, wavelength, pigments, stroma, product, photosynthesis, NADP+, visible light, glucose, energy, glucose, energy, ...

Biology
Do breeders observe the genotypes or phenotypes in their organisms?

the most dangerous game by richard connell reading
i did all the question except for these 3 characterization chart w/ 5 textually supported inferences specific to protagonist and 5 textually supported inferences specific to the antagonist. static/flat character with text support of intended stereotype paragraph form dynamic/ ...

Biology
In this assignment, you will select one of the options that you can compare a cell to and design an analogous development structure. then, you will compare the structure of your development to the organelles of the cell that you have learned about in this unit. you will draw a...

Biology
I am doing a research paper on multiple sclerosis. Can you recommend a book that I can use in my research?

Biology
Can someone provide an example of positive and negative control in a very easy and simple example?

biology - dna
If a DNA double helix is gradually heated, which bonds in the molecule will break first (are the weakest)? A. bonds between the nitrogenous bases B. bonds between the bases and the sugars C. bonds between the sugar and phosphate within a nucleotide D. bonds between the sugar ...

BIOLOGY
Describe a series of small habitats that exist within 10 or 20 kilometers of your house and which might be subject to MacArthur and Wilson’s theory of island biogeography

Biology
If you were given a plant with red tomatoes, how could you figure out what its genotype is? Explain

biology
Which provides more energy for the cell to perform its functions, cellular respiration or fermentation? Explain.

biology
The agricultural research facility during a research accidentally changed the DNA sequence of a wheat plant from GCCATGTT to GCGTACTT and this mutation resulted in a stronger plant variety. What kind of mutation did the plant undergo?

biology
In a cross with a mother who carries the allele for hemophilia and a father who has normal blood clotting what would be the expected phenotypes of the offspring? A. all females normal, all males normal B. all females normal, all males with hemophilia C. all females carriers of...

biology
If two parents who's blood types are both B produce a child that has blood type O, what can you say about the parent's genotypes? A. one is ii B. one is IBi C. both are IBi D. nothing, this is impossible isnt this C?

biology
in what aspects are DNA and RNA polymerases similar?

biology
Differences between bacterial and mammalian transcription?

biology
In a cross of heterozygous RW four o'clock plants (RW x RW) what proportion of the seeds will grow to produce pink flowers? A. 0 B. 0.25 C. 0.5 D. 0.75

biology
if i have a mutation in the 'I' region of the ara operon that can't bind to the araC protein. how is the mutation effecting the function of the operon?

Biology
What do you think, is it likely that we will insert genes for new and better properties in humans? Is it desirable? What dangers can you see with such a development?

biology
An individual with the genetic condition cystic fibrosis has CFTR protein with the amino acid histidine (at position 482), where the normal CFTR protein has arginine. (No other changes are observed in the protein.) This is the result of a _________ mutation. Select one: a. ...

biology
Which of the following is NOT true of transcription / translation processes in both bacteria and eukaryotes? Select one: a. RNA polymerase reads the template DNA strand to produce the complementary mRNA transcript. b. Translation of a polypeptide can occur before transcription...

biology
Gene expression regulation by methylation of the cytosines in a promoter would be considered : Select one: a. Transcriptional regulation. b. Posttranscriptional regulation. c. Posttranslational regulation. d. Translational regulation.

biology
Before entering the Krebs cycle, an intermediate molecule bonds to a 2-carbon molecule. This intermediate complex enters the Krebs cycle and combines with a 4-carbon molecule to form citric acid. The name of this molecule is ____________________. A. citrase B. FADH C. ATP ...

biology
Oxygen becomes part of cellular respiration _________________. A. at the end of glycolysis B. at the end of the electron transport chain C. at the end of fermentation D. at the end of the Krebs cycle

biology
Which photosystem-1 or 2-most likely evolved first?

biology need help
1 – 2 sentences why each of the following unique properties of water is important to living things Water is the universal solvent: Water is less dense as a solid than as a liquid Water molecules are attracted to one another (cohesion) Water molecules are attracted to other ...

biology
Pretend you are taking a tour of a factory that creates macromolecules  Describe your journey through the 4 rooms in the factory – the Carbohydrate Room, the Lipid Room, the Protein Room, and the Enzyme Room. In each room, include the following: 1. What type of ...

biology
1 – 2 sentences why each of the following unique properties of water is important to living things Water is the universal solvent: Water is less dense as a solid than as a liquid Water molecules are attracted to one another (cohesion) Water molecules are attracted to other ...

biology
POLARITY COHESION SURFACE TENSION CAPILLARY ACTION UNIVERSAL SOLVENT ADHESION match definitions Because water molecules stick together, they form a thin film on the surface of pools of water, on which some organisms can walk Water molecules are able to move against the force ...

biology
Explain why water molecules are described as “sticky” is it because hydrogen bond that bonds together.

biology
Explain why water molecules are described as “sticky” is it because hydrogen bond that bonds together.

biology
Draw a picture of the structure of a water molecule that includes all of the following: hydrogen, oxygen, partial positive charge(s), partial negative charge(s)

biology
Draw a picture of the structure of an atom that includes all the following: protons, neutrons, electrons, nucleus, orbitals

HELP Biology
To find out which key will open a lock, you try several until one works. This kind of learning is called ________________________. I have no clue

Biology
The half-life of carbon-14 is 5,700 years. If a sample originally had 26 g of carbon-14, how much would it contain after 22,800 years?

biology - cells
Which scientist proposed that cells come from other cells? A. Hooke B. van Leeuwenhoek C. Schwann D. Virchow

biology
Which of the following is not produced in the light-dependent reactions of photosynthesis? A. NADPH B. sugars C. ATP D. oxygen

biology
What segregations comprise the cloaca, and what are their functions? How does this cloacal region differ from that of most mammals?

biology
Make a single base pair substitution mutation in the gene below that results in a protein that is shorter than the protein produce by the original gene. When you are satisfied with your change and its effect, click the "Final Check" button. Note that a "single base pair ...

biology
Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters above and below the strands. What would the amino acid sequence of the resulting protein be? Be sure to enter the sequence N- to -C from left to ...

biology
Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters above and below the strands. What would the amino acid sequence of the resulting protein be? Be sure to enter the sequence N- to -C from left to ...

BIOLOGY
You plan to generate many copies of this gene by PCR. You will then insert the PCR product into the plasmid. d) Which two primers from the list below will allow you to use PCR to amplify this gene? Check the two that apply. 5'-GTGCA-3' 5'-CACGT-3' 5'-TATGG-3' 5'-CCATA-3' 5'-...

BIOLOGY
b) Make a single base pair substitution mutation in the gene below that results in a protein that is shorter than the protein produce by the original gene. When you are satisfied with your change and its effect, click the "Final Check" button. Note that a "single base pair ...

Biology: Endotoxin
Does endotoxin refer to the LPS or to lipid A?

biology mit
b) Make a single base pair substitution mutation in the gene below that results in a protein that is shorter than the protein produce by the original gene. When you are satisfied with your change and its effect, click the "Final Check" button. Note that a "single base pair ...

biology
Which photosystem-1 or 2-most likely evolved first?

biology
Small gene big plasmid Question 2 Part E wrong. Question 2 Part F Determine the DNA sequence of PCR products. I do not understand how to handle this problem. On home works they were wrong and the solutions were confusing. Please give me a clue.

biology
ou sequence many of the recombinant plasmids generated. You find three mutant versions of the inserted gene. (This is likely due to errors introduced during the PCR amplification.) The sequences of the gene found in the three mutants are given below. Consider each of the ...

A/P Biology
The Echinopsis mamillosa is a flowering cactus native to Bolivia. A high-rise building is built near a particular Echinopsis, filtering the amount of direct sunlight it receives. Which of the following processes is negatively affected first by the reduction in sunlight? ...

Science! Biology 1
Question: Which of following best describes the free-energy requirements of an organism? Answer Choices: During times of hibernation large amounts of free energy are required. Free-energy demand is consistent for all heterotrophs. The organism requires free energy in all ...

biology
Given three restriction enzymes, cuts and base pairs on the plasmid map. How do you apply this information to a autoradiogram of sequencing gel? Also, include the band locations.

biology
can you give examples of analogous structures????? please i have tried about 4 differet websites and no one has helped

Biology ! Please help!
Why do chromosomes form and what kind of proteins do they combine with?

biology
polar molecule are soluble in water. how does this activity demonstrate polarity of molecule that contain the -OH group. our activity was to do an experiment mixing 2 diff liquids together to see if they dissolve and tell if its polar or nonpolar. 1. water and oil= polar 2. ...

Biology
In DNA fingerprinting, the DNA probe that is used is ______to the DNA sequence of the repeats in the sample? im guessing amplify????

Biology
Please help! i was wondering why a genome size determined in a lab would be smaller than that of the actual. thanks

Biology
How are antibodies used to detect similarities in protein sequences?

Biology
why do we use protein sequences when comparing genetic similarities?

biology
Is their a relationship between strength and independent mobility? Can a spinal cord injury affect he body permanently?

Biology
What are the inputs and outputs of the proton pump?

BIOLOGY
Consider the following 45 base-pair (bp) DNA sequence: 1 10 20 30 40 | . | . | . | . | . 5’-CGCACCTGTGTTGATCACCTAGCCGATCCACGGTG​GATCCAAGGC-3’ ||||||||||||||||||||||||||||||||||||||||​||||| 3’-GCGTGGACACAACTAGTGGATCGGCTAGGTGCCAC​CTAGGTTCCG-5’ You also ...

Biology
How would u expect the number of mitochondria in a cell to be related to the amount of active transport it carries out? Please help!

biology
many human-caused losses of biodiversity, such as habitat destruction and of invasive species. are there any natural events that could alter the diversity index?

Biology!!!
In humans, short fingers and widow's peak are dominant over long fingers and straight hairline. A heterozygote in both regards reproduces with a similar heterozygote in both regards reproduces with a similar heterozygote. What is the chance of any one child having the ...

Biology
What polymers are found commonly in cells? Additionally, what monomers make up those polymers?

biology
Enzymes in the human body work in a very wide range of conditions. A. True B. False

biology
Substance X is converted to substance Y in a chemical reaction. What role would a catalyst play in this scenario? A. It would increase the solubility of substance X into the solvent needed to speed up the reaction. B. It would speed up the reaction by becoming part of the ...

biology
an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away from the enzyme, thus...

biology
if there is no oxygen for the glycolysis what process would that be called?

biology
Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to ­­­­­­­­­______________________​_______. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore electrons

biology
Which of the following involve electronic charges? A. hydrogen bonds B. ionic bonds C. polar molecules D. all of the above

biology
Which of the following involve electronic charges? A. hydrogen bonds B. ionic bonds C. polar molecules D. all of the above

biology
Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to ­­­­­­­­­______________________​_______. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore electrons

biology
Why is it good for plants on the forest floor to have larger leaves but could be harmful to the trees above?

psy/340
I need help answering this question please. Discuss the influences of biology and the environment on sexual differentiation.

Biology ms. sue
ms. sue can you give me link to some pictures it says give description of the species including both sexes and their younger life stages for animals include images.

Biology
How do Eukaryotes package their gene products?

Biology
"Quiglilies" are a rare variety of flower. They have one allele for orange petal colour O. They also have another allele for white petals W. These alleles have a co-dominant relationship producing a yellow petal colour. i) what are the possible genotypes and phenotypes present...

Biology
The production of a polypeptide involves the correct sequencing of amino acids, originally encoded by a segment of DNA. This code is transcribed onto mRNA and subsequently translated using tRNA. From the following DNA segment, record the base sequence that would be encoded on ...

Biology
What could be a benefit for a plant that can switch between cyclic and non-cyclic electron transport? Think about the products of electron transport and what products are needed for the Calvin Cycle.

Biology
How are bryophytes similar to green algae? How are they different?

Biology
What information does relative dating provide?

biology
if DNA replication were conservative, what sort of bands would you expect from the CsCl density gradient centrifugation?

biology
what is one example of a specific case used by scientists for organ cloning?? (therapeutic cloning)

Biology 20
I'm using chromatography to identify compounds in a leaf extract for a lab, and one of the evaluation questions is 'Suggest a step that could be added to the procedure to isolate a specific compound for chemical testing.' What step could I use?

biology
If a person with Down syndrome marries a person without Down syndrome, is it possible for their child not to have Down syndrome? I assume that there is a 50% chance that they could have a child that will not have down syndrome. Is this correct?

grade 11 biology
Consider a germ cell of a person with Down syndrome(Trisomy 21). Explain what is happening with the arrangement of chromosome 21 inside the cell during interphase 1, Anaphase 1, Telophase 1, telophase 11. Please help, I am really stuck on this. Thank you

Biology
If the axo-membrane becomes more permeable to potassium Ions. What would happen?

Biology
How does having a large, sweet fruit benefit a plant?

biology
Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?

Biology
Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?

biology
The primary structure of proteins is often described as "amino acids connected like beads on a string". In this same vein, which of the following images best describes a protein's quaternary structure?

Biology
What would happen if you ran the same sample of DNA as your first experiment but used different primers?

Biology
organelles with an abundance of carotenoids but no chlorophyll

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