Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology > Semester Exam > Flashcards

Semester Exam Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

Homeostasis

A

Stable internal conditions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The work of scientists begins with….

A

Careful observations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Controlled experiment

A

Only one variable should be changed at a time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How does science differ from other disciplines

A

Science relies strictly on facts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

When is a hypothesis useful?

A

When it can be tested

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where may a hypothesis come from?

A

Observations, prior knowledge, logical inference

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Spontaneous generation

A

The idea that life could arise from nonliving matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is not a goal of science or how it works?

A

Something that cannot be proven

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Inference

A

A logical interpretation based on prior knowledge or experience

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Why do scientists need to publish the details of important work?

A

So that other scientists can replicate their work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A tissue is composed of what?

A

Simple, individual cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Theory

A

A well tested hypothesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Osmosis

A

The diffusion of water through a selectively permeable substance.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Biology

A

Science that seeks to understand the living work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Ribosomes

A

Where proteins are assembled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Chromosomes

A

Threadlike structures that contain the genetic info that is passed down from generation to generation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Cell wall

A

Strong supporting layer that provides protection for the cell.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Cell membrane

A

Regulates what enters and leaves the cell. A thin flexible barrier around the cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Characteristics of living things

A

Made up of units called cells, reproduce, based on a universal genetic code, grow and develop, obtain and use materials and energy, respond to their environment, maintain a stable internal environment.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Nucleus

A

Center of the cell, brain of the cell

21
Q

Metabolism

A

Builds up or breaks down materials

22
Q

Microscope

A

Tool that magnifies

23
Q

Goal of Science

A

To investigate and understand the natural world, to explain events in the natural world, and to use those explanations to make useful predictions.

24
Q

Compound light microscope

A

Where the light passes through the specimen and uses two lenses to form an image

25
Q

Mitochondria

A

Provides energy for the cell

26
Q

Chloroplast

A

Gives the cell its energy

27
Q

Cell culture

A

A group of cells formed from one original cell

28
Q

Cell fractionation

A

Cell separation

29
Q

Golgi apparatus

A

Where proteins are assembled

30
Q

Lysosome

A

Gets rid of waste

31
Q

Three particles that make up an atom, their charges and where they are found

A

Protons(+),neutrons( none), electrons(-)

Protons and neutrons are found in the nucleus, electrons orbit the nucleus

32
Q

Function of the cytoskeleton

A

Gives the cell it’s shape

33
Q

Function of the cell wall

A

Surround and support the cell

34
Q

What did Democritus believe about atoms

A

Atoms could not be divided

35
Q

How do you find the number of protons, neutrons, electrons

A

Protons, electrons= atomic number of elements

Neutrons- subtract atomic mass from atomic number

36
Q

What doesn’t have a cell wall

A

Animal cell

37
Q

Difference between prokaryotes and eukaryotes

A

Eukaryotes have a nucleus, prokaryotes do not

38
Q

Isotopes

A

Different number or neutrons

39
Q

Species

A

A group of organisms so similar that they can breed and produce offspring

40
Q

Populations

A

Group of individuals that belong to the same species and live in a defined area

41
Q

Ecology

A

The study of organisms and their surroundings and environment

42
Q

Biome

A

A group of ecosystems that have the same climate and similar dominant communities

43
Q

Biosphere

A

Contains a combined portion where all life exists including water, air and land

44
Q

Community

A

Different populations that live together in a defined area

45
Q

Anton Van Leeuwenhoek

A

First person to ever use a microscope to study nature

46
Q

Robert Hooke

A

Discovered cells

47
Q

Covalent and ionic bonds

A

Covalent bonds share electrons and ionic bonds transfer electrons

48
Q

Autotroph/producer

Heterotroph/consumer

A

Autotrophs make their own food, heterotrophs rely on others for food.

49
Q

Food chain

Food web

A

Food chain- a series of steps where energy is transferred by animals that eat other animals

Food web- all food chains combined

Biology (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions