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Flashcards in First Quarter Exam Deck (59):
0

A scientific idea that has not been tested is a _____.

Hypothesis

1

What type of RNA has anticodons?

tRNA

2

The doctrine of humors believes that humans contain 4 different _____.

Liquid/fluids

3

What do we call the process by which bacteria obtain energy from inorganic chemicals?

Chemosynthesis

4

Atom having a negative or positive charge?

Ion

5

A solution that has a greater concentration than water molecules in a cell is called what?

Hypophilic

6

The principle product of photosynthesis is _____.

Glucose

7

The entire process of photosynthesis takes place in the _____.

Chloroplast

8

The reaction that causes bread to rise is an example of _____.

Alcohol fermentation

9

What is the control center of most cell activity?

The nucleus

10

Robert Brown was first to describe ____.

Nucleus

11

The increase in randomness and loss of usable energy in nature is known as _____.

Entropy

12

What kind of chemical bond shares chemical bond?

Covalent

13

What is the name of the numerical index used to express the acidity or alkalinity of a substance?

The PH scale

14

The use the cellular energy to change the permeability of a membrane is called _____.

Active transport

15

What suggests looking for items in nature that represent a person's problem?

The doctrine of signatures

16

What's another name for the land/eyepiece on a microscope?

Ocular

17

What is the messenger RNA (mRNA) carry?

Amino acid

18

What kind of transport requires the cell to expand energy in order for the substances to pass through the membrane?

Active transport

19

What is the movement of substances through a cell membrane without the cell's expending energy?

Passive transport

20

The bursting of blood cells in hypotonic solution is called_______.

cytolosis

21

True or False

Active Transport involves the cell's expending energy to digest a substance it has taken in.

False

22

True or False

Some multicellular organisms are colonial.

True

23

True or False

Cells are held together by various kinds of cell junctions.

True

24

True or False

Organelles are found only in prokaryotic cells.

False

25

True or False

The cell wall is sometimes described as a lipid bilayer.

False

26

True or False

The inner folds of ribosomes are called cristae.

False

27

Robert Brown was the first to describe this structure and it's importance in cells.

nucleus

28

Cork "cells" were first identified by_____.

Hooke

29

Organisms made up of cells that can operate independently but that normally tend to group together are called______.

colonial

30

Several tissues grouped together and working as a unit form_______.

an organ

31

The cytoplasm's long tubular extensions that contain a set of microtubules and that are used in cellular movement are________.

flagella

32

The process by which cells release wastes or secrete substances through the plasma membrane is known as_______.

exocytosis

33

Which of the following are not found in animal cells?

plastids

34

Chloroplasts contain

grana

35

Which of these is associated with digestion in the cell?

Lysosmomes

36

True or False

Some multicellular organisms have tissues that are grouped into organs which are arranged in systems.

True

37

True or False

Rough endoplasmic reticulum has ribosomes attached to it whereas smooth endoplasmic reticulum does not.

True

38

True or False

Golgi bodies often process materials the cell is secreting.

True

39

True or False

Turgor pressure involves a built-up of the quantity of water molecules in the contractile vacuole.

False

40

True or False

In eukaryotic cells the nucleus is surrounded by a double membrane called the nuclear envelope.

True

41

True or False

In passive mediated transport a substance is helped across a membrane by a structure in the passive membrane.

True

42

A eukaryotic cell does not have...

A nuclear area that is not enclosed in a membrane

43

The organelles found in most plant cells (but never in animal cells) are...

Plastids

44

Organelles are sometimes moved throughout the cell by a process called...

Cytoplasmic streaming

45

A prokaryotic cell does not have...

Membrane-bound organelles

46

The cell theory states that all cells come from preexisting cells, that cells are living things, and that...

All the functions of living organisms are carried on by cells

47

Elimination of nonsoluble, nondigested particles by a cell is referred to as...

Egestion

48

The ability of a cell to respond to its environment is called...

Irritability

49

Who discovered that all plants are made of cells?

Schleiden

50

What has to do with a plant cell's turgor pressure?

Central vacuole

51

The diffusion of water into a cell by osmosis results in a build-up of...

Turgor pressure

52

Contractile vacuoles would be of great importance to a unicellular...

Animal living in a hypotonic environment

53

The control center of most cell activity is the...

Nucleus

54

A solution that has a greater concentration of water molecules than the cell it (this part was cut off in the picture)...

Hypotonic

55

Since diffusion is a purely physical process (it requires no cellular energy), it (this part was cut off in the picture)...

Passive transport

56

He use of cellular energy to changers permeability of the membranes a called...

Active transport

57

What is not associated with the nucleus of a cell?

Ribosome

58

True or False

In passive mediated transport a substance is helped across a membrane against the concentration gradient.

False