Cell membrane essay questions

Cell membrane essay questions

Answer the following questions: Question 1. Question 5. Include in your discussion a sample cross es sufficient to verify your proposed pattern.

Cell membrane multiple choice questions pdf

Explain your reasoning. In most cases, neither parent of affected offspring has the condition. An organism is heterozygous at two genetic loci on different chromosomes. Select one of the criteria stated above and describe experimental evidence used to determine that DNA is the hereditary material. Explain how these alleles are transmitted by the process of mitosis to daughter cells. Experiments by the following scientists provided critical information concerning DNA. Assume that the digestions occurred under appropriate conditions and went to completion. Describe the most probable pattern of inheritance for this condition. State the conclusions reached by Mendel in his work on the inheritance of characteristics. Question 6. Question 8. Explain how each of the following deviates from these conclusions. When vesicles of membrane are added to the plasma membrane, which side winds up facing the outside of the cell? Flipases function to selectively transfer certain lipids from one side of the bilayer to the other. The ability to cross the lipid bilayer is dependent on lipid solubility and size of the molecule.

Small polar molecules are in between. What would be the effect of a deletion or an addition in one of the DNA nucleotides?

Cell membrane multiple choice questions

Question 3. Glycocalyx has cell recognition and protective properties. The diagram below shows a segment of DNA with a total length of 4, base pairs. By using the techniques of genetic engineering, scientists are able to modify genetic materials so that a particular gene of interest from one cell can be incorporated into a different cell. Describe the operon hypothesis and discuss how it explains the control of messenger RNA production and the regulation of protein synthesis in bacterial cells. Describe how you could determine whether the gene was successfully incorporated. Small polar molecules are in between. Explain how the events of meiosis I account for the observations that led Mendel to formulate these laws. Kayokinesis is the separation of the nucleus into two daughter nuclei. Answer 3. Describe the results you would expect from the electrophoresis separation of fragments from the following treatments of the DNA segment above.

A portion of specific DNA molecule consists of the following sequence of nucleotide triplets. Cholesterol in the membrane functions to stiffen it up, while the unsaturation of the phosopholipids makes the layer fluid.

cell membrane questions and answers pdf

Thre are more attached to the inner leaflet since many of the proteins attached to that side have enzymatic or regulatory functions within the cell. A lipid raft is a domain within the cell membrane within which are clustered protiens of complimentary function.

cell membrane questions and answers

The glycocalyx is the carbohydrate-rich region surrounding the cell. The diagram below shows a segment of DNA with a total length of 4, base pairs.

Do the following with reference to the Hardy-Weinberg model.

Cell membrane questions worksheet

Why do they do this? Select one of the criteria stated above and describe experimental evidence used to determine that DNA is the hereditary material. Explain how a mutation could cause this inability to digest starch. What would be the effect of a deletion or an addition in one of the DNA nucleotides? The glycocalyx is the carbohydrate-rich region surrounding the cell. What is the role of the Golgi in creation of membrane? The ability to cross the lipid bilayer is dependent on lipid solubility and size of the molecule. They are phospholipids two fatty acid chains attached to a glycerol molecule that is, in turn, attached to a polar side chain by a phosphate group. Describe the special relationship between the two terms in each of the following pairs. The mechanism of action of restriction enzymes. Heterochromatin is darker staining, non-transcribing, tight packed chromatin.
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