Test 1 Evolution And Chem Flashcards

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1
Q

What components do prokaryotes have?

A

Ribosomes, chromosomes, cytosol, plasma membrane, cilia, cell wall

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2
Q

Name the order of the 11 major things that evolved since the origin of earth 4.5mya

A

Bacteria 3.5bya> photosynthesis 2.7bya> aerobic respiration 2.4 bya> photo-endomembrane system 1bya> protists 850mya> archaea 850mya> sponges 600mya> fungi 460mya> land plants 450mya> centipedes 415mya> amphibians 365mya

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3
Q

What are the groups that make up an amino acid?

A

Carboxyl group, amino group, hydrogen, and side chain

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4
Q

If a side chain of an amino acid has S, N, or O in it is it polar/ionized or non-polar/ionized?

A

Polarized/ ionized

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5
Q

What are covalent bonds?

A

Sharing of e-

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6
Q

What are ionic bonds?

A

Complete donation of an e- with an electrostatic attraction

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7
Q

What is a hydrogen bond?

A

It is a covalent bond with electrostatic attraction

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