BIOC15H3 Lecture Notes - Pea, Outcrossing, Intron

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bronzeshark633

8 May 2012

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Partner with group members for the fruit fly assignment. 1st exam: june 5, 2012 in class (attend class!! just in case you do not go to lecture) If sick for the 1st exam, no make-up exam, mark is counted toward 2nd exam. How is genetic material passed from one to the next generation. Around 1950s, the genetic material is known to be dna. Characteristics of genetic material (dna: stable, replicate-able & transmittable. Can be passed from one to the next generation: informational. Composes of 3 parts: deoxyribose 5 carbon sugar. 3rd & 5th carbons give polarity: nitrogenous base. Nitrogenous base is linked to carbon 1 of sugar through glycosidic linkage. Phosphodiester linkage is between carbon 3 of one sugar with the phosphate and a carbon 5 of another sugar attached to the phosphate group. Chromosome carries hereditary materials from the clue that chromosome divides in mitosis. Debate over whether protein or dna is the genetic material.

Related Questions

I have learned that first a protocell came to exist and itscharacteristics came to be passed on by genetic material. So howcome genes for all the activities come to incorporate into geneticmaterial? Did genetic material come first and random sequences maderandom proteins that were used to make cells ?

1. Unlike DNA, RNA contains

deoxyribose

a double strand

phosphates

uracil

Nucleic acid structure

2. In transcription, uracil will bond with:

thymine

cytosine

adenine

guanine

Transcription

3. The first team of scientist to document the structure of DNA was:

Franklin and Wilkins

Watson and Crick

Pauling and Chargoff

None of the above

DNA structure

4. Organelles that synthesize protein are:

lysosomes

ribosomes

endoplasmic reticulum

golgi bodies

5. Most of the time in a cell's life, it's DNA is in the form of:

Chromatin

Chromatids

Replicated chromosomes

Spindle fibers

6. Uracil is a nitrogen base that pairs with adenine. Using this information, one could conclude that uracil is a:

Purine

Pyrimidine

Neither a purine or pyrimidine

Not enough information

7. a nucleotide does not consist of a:

polymerase

5-carbon sugar

phosphate group

nitrogen base

8. The genetic code in DNA of an individual depends on the sequence (order) of:

nucleotides

purines only

phosphates

sugars

9. Before a cell divides, it must duplicate its DNA in a process known as:

translation

transformation

transcription

replication

10. The basic unit (building block) of a protein is a (an):

carbohydrate

amino acid

lipid

hydrogen bond

11. Unlike DNA, RNA contains:

deoxyribose

a double strand

phosphates

uracil

12. The structure of DNA was first documented in:

1945

1953

1956

1962

13. In DNA replication, the new molecules produced are:

of unequal length

both assembled in the same direction

built with purines as the backbone

assembled in opposite directions

DNA replication

14. The "backbone" of DNA is composed of:

ribose and phosphates

deoxyribose and phosphates

ribose and uracil

deoxyribose and thymine

DNA structure

15. RNA differs from DNA in which of the following ways?

RNA is single-stranded

RNA contains ribose

RNA does not contain thymine

All of the above

DNA structure

16. Which of the following is NOT required for the transcription process itself?

RNA polymerase

DNA

uracil-containing nucleotides

ribosomes

skyhamster121

Compare the genetic material of eukaryotes, bacteria, and viruses in terms of general structure, size, and mode of replication.

carminecoyote579

BIOC15H3 Lecture Notes - Pea, Outcrossing, Intron

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