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Biology 1•2•3 > B3 > Flashcards

B3 Flashcards

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0
Q

What is a cell membrane?

A

• Allows movement in and out of the cell

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1
Q

What is a cytoplasm?

A

• Where chemical reactions take place

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2
Q

What is a nucleus?

A

• Containing the genetic information and control what the cell does

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3
Q

What is the mitochondria?

A

• Respiration takes place inside the mitochondria, supplying energy for the cells. Cells that have a high energy requirement e.g. Sperm cells, muscle cells and live cells, have large numbers of mitochondria

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4
Q

What is a ribosome?

A
  • Too small to see under a microscope

* Ribosomes are in the cytoplasm and are the site of protein synthesis

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5
Q

What is a gene?

A

• A region of a chromosome that carries information that carries information about, and controls, a particular inherited characteristic

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6
Q

Describe how and who invented the structure of DNA?

A
  • Watson and Crick used data from other scientists to build a model of DNA
  • X-Ray technology data there were two chains wound in a helix, other data indicated that the bases occurred in pairs
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Biology 1•2•3 (5 decks)

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