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Bio 9 > Midterm 2021-2022 Introduction to Biology > Flashcards

Midterm 2021-2022 Introduction to Biology Flashcards

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Biology 101 flashcards
1
Q

True or False:

A hypothesis must be based on scientific knowledge.

A

True

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2
Q

True or False:

Experiments are performed under controlled conditions.

A

True

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3
Q

True or False:

The dependent variable is always the opposite of the independent variable.

A

False

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4
Q

True or False:

Experimental evidence that agrees with your predictions supports your hypothesis.

A

True

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5
Q

True or False:

Scientific evidence is any type of data that may either agree or disagree with a prediction.

A

True

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6
Q

True or False:

All organisms are made of more than one cell.

A

False

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7
Q

True or False:

Prokaryotic cells have a nucleus.

A

False

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8
Q

True or False:

The plasma membrane forms the physical boundary between the cell and its environment.

A

True

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9
Q

True or False:

All cells share a plasma membrane, cytoplasm, and ribosomes.

A

True

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10
Q

True or False:

Animal cells have chloroplasts, organelles that capture light energy from the sun and use it to make food.

A

False

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11
Q

Levels of organization of an individual organism includes…

a. The tissue
b. The population
c. The community
d. All of the above

A

a. The tissue

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12
Q

Which is the definition of “biology”?

a. The science of living organisms
b. The study of humans and animals
c. The study of plants, humans, and animals
d. The science of life

A

a. The science of living organisms

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13
Q

Homeostasis is…

a. The ability to give rise to offspring
b. Maintaining a stable internal environment
c. The ability to detect and respond to changes in their environment
d. The ability to grow and develop

A

b. Maintaining a stable internal environment

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14
Q

To be classified as a living organism, an object must…

a. Maintain homeostasis
b. Have a complex chemistry
c. Be made of at least one cell
d. All of the above

A

d. All of the above

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15
Q

Organelles in a prokaryotic cell include the…

a. Mitochondria
b. Cytoskeleton
c. Golgi complex
d. None of the above

A

d. None of the above

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16
Q

A major difference between prokaryotic and eukaryotic cells is that…

a. Prokaryotic cells have a flagellum
b. eukaryotic cells have a nucleus
c. prokaryotic cells have cytoplasm
d. eukaryotic cells have ribosomes

A

b. eukaryotic cells have a nucleus

17
Q

The “power plant” of the cell is the…

a. Nucleus
b. Ribosome
c. Chloroplast
d. Mitochondria

A

d. Mitochondria

18
Q

Structures specific in plant cells but not in animal cells include…

a. A large central vacuole
b. The mitochondria
c. The cell membrane
d. The cytoplasts

A

a. A large central vacuole

19
Q

Which structure determines what molecules can enter and leave the cell?

a. The plasma membrane
b. The nucleus
c. The cell wall
d. All of the above

A

a. The plasma membrane

20
Q

All living things grow and ____________________.

A

Develop

21
Q

A cell is the basic unit of the structure and _________________________ of living things

A

Function

22
Q

The process of maintaining a stable internal environment is ______________________________.

A

Homeostasis

23
Q

An _________________________ is an individual living thing.

A

Organism

24
Q

An ecosystem consists of all the living (biotic) things in a given area, together with the __________________ things.

A

Nonliving (abiotic)

25
Q

A _______________________ is a typical prokaryotic cell.

A

Bacteria

26
Q

In a eukaryotic cell, DNA is found in the ___________________.

A

Nucleus

27
Q

The plasma membrane is a bilayer of _________________________ that surrounds the cell.

A

Phospholipids

28
Q

___________________________ are cells without a nucleus.

A

Prokaryotic cells

29
Q

The ___________________________ is often considered to be the cell’s control center.

A

Nucleus

30
Q

The plasma membrane forms a _______________________ between the inside and outside of the cell.

A

Border

31
Q

The rough endoplasmic reticulum is covered with _______________________.

A

Ribosomes

32
Q

A _______________________ cell specifically has a cell wall, a large central vacuole, and chloroplasts.

A

Plant

33
Q

List a minimum of 3 characteristics necessary to define life.

A 
Organization
Homeostasis
Metabolism
Reproduction
Growth and Development
Response to stimuli
Evolution
34
Q

Compare and contrast eukaryotic cells with prokaryotic cells. Include at least 3 specific similarities and/or differences.

A
  • One difference is eukaryotes have a “true” nuclei containing their DNA, while the genetic material in prokaryotes is not membrane-bound.
  • Prokaryotes are usually much smaller than eukaryotic cells.
  • They all have ribosomes, DNA, a cell membrane, and both may have a flagella.

Bio 9 (11 decks)

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