STUDY Flashcards

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1
Q

What is a group of specialized cells called when they work together to perform a specific function? (5 points)

Atom

Organ

Organ system

Tissue

A

Tissue

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2
Q

Based on the cell theory, which of the following is true? (5 points)

All cells are too small to be seen.

All living things are made of cells.

Small organisms have more cells than large organisms.

Large organisms have larger cells than small organisms.

A

All living things are made of cells.

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3
Q

Plant cells and animal cells were observed under a microscope. The characteristics of two cells are listed below.

Cell C: Has a cell membrane
Cell D: Has a large vacuole

Which statement about the two cells is correct? (5 points)

Both cells are animal cells.

Cell C can be a plant cell or an animal cell.

Cell D can be a plant cell or an animal cell.

Cell C is a plant cell and Cell D is an animal cell.

A

Cell C can be a plant cell or an animal cell.

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4
Q

Read the two statements given below.

Statement 1: An alert neighbor called in the paramedics
Statement 2: A stray cat entered using the pet entrance and soiled the rug

Which of the following best relates the statement to the correct type of theory?

Both statements are about scientific theories.

Both statements are about everyday life theories.

Statement 1 is about an everyday life theory, and statement 2 is about a scientific theory.

Statement 1 is about a scientific theory, and statement 2 is about an everyday life theory.

A

Both statements are about everyday life theories.

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5
Q

A scientific theory is different than the way we use the word theory in common speech. Which of these is likely to be true about a theory as used in everyday life?

It is accepted by the scientific community.

It uses evidence to explain how nature works.

It’s possible hypotheses are always found to be false.

It proposes an explanation of a particular event in our life.

A

It proposes an explanation of a particular event in our life.

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6
Q

Anton Leeuwenhoek devised a primitive microscope to observe a sample of his tooth scrapings. How did this help contribute to cell theory?

It helped to show that cells cannot function independently.

It helped to show that some bacteria can swim like fish.

It helped to show that some bacteria are just one cell.

It helped to show that cells can be created from thin air.

A

It helped to show that some bacteria can swim like fish.

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7
Q

Which type of molecule provides cells with energy?

Carbohydrate

Nucleic acid

Protein

Water

A

Carbohydrate

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8
Q

Which of the following is the highest level in the organization of living things? (5 points)

Organ system

Organism

Tissue

Compound

A

Organism

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9
Q

The diagram below shows the structure of an animal cell.

Which number label represents cytoplasm?

1

2

3

4

A

4 the stuff that surrounds everything

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10
Q

Pam observed many small earthworms in the backyard of her house after a heavy rain. What most likely formed the earthworms?

Rainwater that fell on stones

Wet mud in the backyard

Eggs of earthworms

Mixing of air and water

A

Eggs of earthworms

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11
Q

What will most likely happen in the absence of a nucleus?

Genetic information will not be transmitted by the cell.

Energy will not be released during cellular respiration.

The cell will not store food, water, nutrients, and waste.

The cell will lose its shape and structure.

A

Genetic information will not be transmitted by the cell.

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12
Q

Which part of the cell is a gel-like material that contains chemicals used to break down large molecules so that they can be used by other organelles?

Cytoplasm

Mitochondrion

Nucleus

Ribosome

A

Cytoplasm

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