Question # 1

Which of these material is not a component of the plasma membrane?

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Lipids

Carbohydrates

Proteins

DNA

Males with two Y chromosomes have more .................. tendensies.

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Citizenship

Criminal

Good

None

Euglena is included in kingdom:

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Monera

Protista

Fungi

Plantae

Which of these cellular organelles have their own DNA?

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Chloroplast

Nucleus

Mitochondria

All of these

All enzymes are composed of:

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Lipids

Carbohydrates

Proteins

Phosphates

Which enzyme breaks the peptide bods:

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Amylase

Protease

Lipase

None

There are _________ P-bonds in an ATP molecule.

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Two

Nine

Six

Four

The clusters of photosynthetic pigments are called:

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Thylakoids

Photosystems

Carotenoids

Chlorophyll a & b

An example of organ is

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Neuron

electron

Carbon

Stomach

For mitosis, the chromosomes of the cells are duplicated during interphase. When do the chromosomes duplicated for meiosis?

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Before meiosis 1

Before meiosis 2

During Meiosis 1

Do not duplicate

.............. set up the largest land empire ever known.

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Aristotle

Alexander

Laveran

Genghis khan

How many percent of the light falling on the leaf surface is absorbed:

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5%

6%

7%

1%

Prosthetic groups are:

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Required by all enzymes

Loosely attached with enzymes

Proteins in nature

Tightly bound to enzyme

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