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9 Cards in this Set

  • Front
  • Back

How many carbon atoms enter and how many carbon atoms leave the tricarboxylic acid cycle?

2 and 2

A transmission electron micrograph of animal cells is a precise 25,000 times magnification of life-size. If a typical organelle on this micrograph measures 5 cm what is the real length of such an organelle?

0.0002cm or 2um

If 16% of the bases found in organisms DNA are made up of adenine, what percentage of cytosine will be found in that DNA?


Which of the following statements is true?

A. Peroxisomes are only found in animal cells

B. Chloroplasts and mitochondria are found in animal and plant cells

C. Lysosomes are found in both animal and plant cells

D. The Golgi body is only found in plant cells

C. Lysosomes are found in both animal and plant cells

What function does the Golgi body have?

Can glycosylate proteins

What molecule is used as an energy store?


What evidence is there that much mitrocondra and chloroplast were originally prokaryotic cells which were engulfed by other cells about 2 billion years ago?

-Chloroplasts and mitochondria are about 1 um, so are bacteria

-they contain circular DNA genomes like bacteria

-they contain ribosomes which are the same size as bacterial ribosomes

Which is the main enzyme used for the replication of DNA in E. coli?

DNA polymerase III

What five points of plasmids make them good for transformation?


-contain an origin of replication

-high copy number

-contain antibiotic resistance gene

-contains restriction enzyme sites