Bio Beyond: Genetic Replication Final Exam Questions And All Complete Solutions.
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BioBeyond
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BioBeyond
- Answer
Which bases pair in DNA?
In the simulation below, build the strand that is complementary to the one shown. In this case, you are not replicating the strand but completing it. - Answer Thymine
Adenine
Guanine
Cytosine
Cytosine
Thymine
Thymine
Adenine
Guanine
Thymine
...
Bio Beyond: Genetic Replication Final
Exam Questions And All Complete
Solutions.
- Answer
Which bases pair in DNA?
In the simulation below, build the strand that is complementary to the one shown. In this case, you are
not replicating the strand but completing it. - Answer Thymine
Adenine
Guanine
Cytosine
Cytosine
Thymine
Thymine
Adenine
Guanine
Thymine
To continue, click on the image that you think best represents how DNA normally looks in the cell. -
Answer First image
Looking at the images, how many chromosomes are there in a typical human? - Answer 46
What do you notice about the chromosomes in both images? - Answer They come in pairs
Why are chromosomes a poor way to think of how DNA is normally stored? - Answer DNA only looks
like this during replication
, The top image, called a karyogram or karyotype, is from a human female, while the bottom one is from a
human male. What major difference do you notice? - Answer The male has a set of mismatched
chromosomes
Thinking back to what you learned about genetics, what do the colored bands on the chromosome
represent? - Answer Genes
What do the images pointing to each colored band represent? - Answer Phenotypes
From your exploration of DNA structure and biological macromolecules, what do you recall is the
function of DNA in the cell? - Answer Information storage
Which of the following characteristics are different between prokaryotic and eukaryotic chromosomes? -
Answer Shape
Where is the information stored in DNA? - Answer Base sequence
Looking at the image to the right, what has to be done to chromatin before the information in it can be
accessed? - Answer It has to be unwound to uncoiled DNA
From chromatin, two major processes are needed to prepare for DNA replication. Watch the video at
right - what processes are needed before new DNA can be made? - Answer DNA has to be uncoiled
Bonds between bases have to be broken
What type of bonds are broken when the strands are split apart? - Answer Hydrogen bonds
It's important to know the base pairing rules for DNA before proceeding. Which of the following are valid
pairings for DNA? Select all that apply - Answer A-T
C-G
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