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Do amino acids store genetic information?
Only in very rare cases, such as ribozyme where it is an RNA that acts as a protein. For the most part DNA and RNA store genetic information, proteins are created from the information stored by them.
What is the genectic code?
The genetic code is a set of rules that determines how DNA or RNA sequences are translated into proteins. It consists of triplet codons that specify which amino acid should be added to the growing protein chain. These codons are read by ribosomes during protein synthesis.
What of the three experiments gave evidence that protein was not the genetic material?
The experiment by Alfred Hershey and Martha Chase in 1952 provided evidence that protein was not the genetic material. They used bacteriophages, which are viruses that infect bacteria, and labeled the DNA with radioactive phosphorus and the protein coat with radioactive sulfur. After allowing the viruses to infect bacteria, they found that only the radioactive phosphorus (DNA) entered the bacterial cells, while the radioactive sulfur (protein) remained outside. This demonstrated that DNA, not protein, was the hereditary material responsible for passing genetic information.
Two hamsters live in a cage in Tom's science classroom. One is a male and the other is a female. Tom has recently discovered that the female is going to have babies. Which types of cell(s) store the g?
Only the female hamster’s egg cells store genetic information for future offspring. The male hamster's sperm cells contribute genetic material during fertilization but do not store information for the offspring on their own.
When the genetic material was first being isolated and studied there was a controversy about it being DNA or protein-- those that backed protein as the genetic material almost got it right-- explain?
Scientists thought genetic material was a protein not DNA because there are 20 different amino acids for a building of a protein polymer, while DNA polymers only have 4 nucleotide bases.
How did Hershey and Chae's use of radiolabeled bacteriophages to study the genetic material validate Avery's research?
Hershey and Chase's use of radiolabeled bacteriophages demonstrated that DNA, not protein, is the genetic material. This supported Avery's earlier research that implicated DNA as the carrier of genetic information. The radiolabeled phages showed that only the DNA component, not the protein component, entered bacterial cells and played a role in reproduction.
Do polysaccharides store energy?
Yes, polysaccharides store energy in the form of glucose molecules. Examples of polysaccharides that serve as energy storage molecules include glycogen in animals and starch in plants.
What percentage of an offsprings genetic information is the same as the genetic information of a parent during asexual reproduction?
100%. If there's no other party involved, then the genetic information can only physically come from the parent organism.
What is the bacteriophage used by hershy and chase consisted of two types of molecules?
Hershey and Chase's experiment used bacteriophage T2, which consists of protein and DNA molecules. They were able to show that only the DNA component of the bacteriophage was responsible for carrying genetic information into the host bacterial cell during infection.
Which process performs genetic recombination?
Genetic Recombination is the exchange of genetic information in order to increase the genetic diversity of the population. Probably only with bacteria.
What is made of genetic material inside a protein coat?
A virus.Some viruses have double-stranded DNA, some have single-stranded. There are also viruses that carry their genetic information in RNA, some double-stranded, some single.
Many scientists think genetic material was composed of protein because?
Protein was originally thought to be the genetic material because of its complexity, protein is made up 20 different amino acids while DNA only consists of four bases. This was logical as the complexity would account for diversity in organisms. But after more research was done it was realized that DNA was actually the genetic material.
