Biology - Chapter 7

studied byStudied by 98 people
0.0(0)
get a hint
hint

mitochondria

1 / 49

Tags & Description

Studying Progress

0%
New cards
50
Still learning
0
Almost done
0
Mastered
0
50 Terms
1
New cards

mitochondria

What organelle is the power plant of the cell?

New cards
2
New cards

nucleus

What organelle stores the DNA in eukaryotic cells?

New cards
3
New cards

ribosomes

What organelle produces proteins?

New cards
4
New cards

golgi apparatus

What organelle handles protein modification?

New cards
5
New cards

lysosome

What organelle handles cleanup and recycling?

New cards
6
New cards

endoplasmic reticulum

Ribosomes embed themselves into what organelle?

New cards
7
New cards

cell membrane

What organelle controls what comes in and out of the cell?

New cards
8
New cards

cytoskeleton

Microtubules that help give a shell its shape are part of which organelle?

New cards
9
New cards

cytoplasm

what is the semifluid substance in the cell that contains the organelles?

New cards
10
New cards

vacuole

What organelle stores water?

New cards
11
New cards

eukaryotic cells

Human beings have...

New cards
12
New cards

A small organ

What does organelle mean?

New cards
13
New cards

It controls what goes in and out of the cell.

Why is a cell membrane important to a cell?

New cards
14
New cards

They both have cell walls.

What is NOT one of the similarities between prokaryotic and eukaryotic cells?

New cards
15
New cards

Prokaryotic cells do not have any DNA.

Which statement is NOT true?

New cards
16
New cards

Prokaryotic

_____ cells have no nucleus

New cards
17
New cards

False

Cells with no nucleus have no DNA. (true or false;)

New cards
18
New cards

False

All cells have cell walls. (true or false)

New cards
19
New cards

False

Cell theory states that only some of all living things are made up of cells. (true or false)

New cards
20
New cards

True

Cell theory states that all new cells are produced from existing cells (True or False)

New cards
21
New cards

Allows you to distinguish between two objects

What is the signification of resolution?

New cards
22
New cards

light

What does a light microscope use to see and object?

New cards
23
New cards

Light source

In a light microscope, where does the light come from?

New cards
24
New cards

stage

What is the specimen placed on?

New cards
25
New cards

Condenser lens

What does the light pass through to focus light on the specimen?

New cards
26
New cards

Diaphragm

What controls the amount of light that passes through the condenser lens?

New cards
27
New cards

It has two lenses to magnify an image

Why is it called a compound light microscope?

New cards
28
New cards

False

You should carry the microscope by the arm only. (True or False::)

New cards
29
New cards

Stage clips

What secures the slide on the stage?

New cards
30
New cards

Multiply

How do you get total magnification? _____ the power of the objective lens & the eyepiece lens.

New cards
31
New cards

ATP (Adenosine Triphosphate)

What is the primary source of energy for our bodies?

New cards
32
New cards

Higher, lower

Diffusion is the movement of molecules from a region of _____ concentration to a region of _____ lower concentration down the concentration gradient.

New cards
33
New cards

water to leave the cell

Placing a human cell in a hypertonic solution will cause:

New cards
34
New cards

water to enter the cell

Placing a human cell in a hypotonic solution will cause:

New cards
35
New cards

hypertonic

If a cell is placed in a solution having a higher concentration of solutes than the cell, the solution is:

New cards
36
New cards

hypotonic

If a cell is placed in a solution having a lower concentration of solutes than the cell, the solution is:

New cards
37
New cards

isotonic

If a cell is placed in a solution having the same concentration of solutes as the cell the solution is:

New cards
38
New cards

passive

Diffusion is a form of ____ transport

New cards
39
New cards

Active

____ transport requires additional energy to be used

New cards
40
New cards

True

Placing a cell in a hypotonic or hypertonic solution could kill the cell. (True; or False)

New cards
41
New cards

relatively constant internal physical & chemical conditions

Homeostasis can be understood as:

New cards
42
New cards

combining to form organs and organ systems

Unicellular organisms maintain homeostasis by all of the following EXCEPT:

New cards
43
New cards

ignoring levels that could be dangerous

Multicellular organisms maintain homeostasis by all of the following EXCEPT:

New cards
44
New cards

Groups of cells doing a similar function

Tissues are:

New cards
45
New cards

Groups of tissues working together

Organs are:

New cards
46
New cards

sweating to lower your temperature

An example of negative feedback is:

New cards
47
New cards

increasing contractions during childbirth

An example of positive feedback is:

New cards
48
New cards

negative

When your body notices that a level is too high or too low and tries to restore the original level, this is:

New cards
49
New cards

positive

When your body acts to accelerate or increase the level of an event that has already been started, this is:

New cards
50
New cards

negative

Diabetes is related to the body being unstable to regulate blood glucose levels

New cards

Explore top notes

note Note
studied byStudied by 4 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 84 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 13 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 55 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 3 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 16 people
Updated ... ago
4.0 Stars(1)
note Note
studied byStudied by 10 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 32282 people
Updated ... ago
4.9 Stars(497)

Explore top flashcards

flashcards Flashcard44 terms
studied byStudied by 18 people
Updated ... ago
5.0 Stars(2)
flashcards Flashcard37 terms
studied byStudied by 6 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard141 terms
studied byStudied by 10 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard89 terms
studied byStudied by 1 person
Updated ... ago
5.0 Stars(1)
flashcards Flashcard50 terms
studied byStudied by 21 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard30 terms
studied byStudied by 17 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard38 terms
studied byStudied by 9 people
Updated ... ago
4.0 Stars(1)
flashcards Flashcard188 terms
studied byStudied by 785 people
Updated ... ago
3.9 Stars(13)