Life's Origins Quiz!

Question 1

Which process in cellular respiration produces carbon dioxide?

Accepted Answer

Krebs cycle

Question 2

In passive transport, molecules flow from a _________ concentration to a _______ concentration.

Accepted Answer

high; low

Question 3

What path does a protein take through the cell?

Accepted Answer

ribosome -> rough ER -> Golgi apparatus

Question 4

Light energy is converted to chemical energy during which process?

Accepted Answer

photosynthesis

Question 5

The ______ is made up of molecules that pass electrons through mitochondrial membranes.

Accepted Answer

electron transport chain

Question 6

The attraction of water to other objects is called

Accepted Answer

adhesion

Question 7

A ________________ reduces the activity of an enzyme by blocking the substrate from binding.

Accepted Answer

competitive inhibitor

Question 8

The head of the phospholipid is...

Accepted Answer

polar

Question 9

The __________ are responsible for digesting food and destroying waste for the cell.

Accepted Answer

lysosomes

Question 10

When a cell uses energy to transport particles, this is:

Accepted Answer

active transport

Question 11

What organelle controls most of the cell's processes and stores its DNA?

Accepted Answer

nucleus

Question 12

Another name for an enzyme is

Accepted Answer

biological catalyst

Question 13

The products of photosynthesis are the reactants for which reaction?

Accepted Answer

Cellular respiration

Question 14

Which organelle would you expect to find in a plant cell but not in an animal cell?

Accepted Answer

chloroplast

Question 15

What process is depicted here? (note the arrows. Blue is outside a cell, beige is inside.)

Accepted Answer

endocytosis

Question 16

In active transport, molecules go from __________ concentration to _________ concentration.

Accepted Answer

low; high

Question 17

What is the function of an enzyme?

Accepted Answer

Speed up the rate of reactions

Question 18

What is the function of the chloroplast in a cell?

Accepted Answer

conducts photosynthesis

Question 19

The _______ regulates what enters and leaves the cell, and provides protection and support.

Accepted Answer

cell membrane

Question 20

When enzymes are finished working they

Accepted Answer

are ready to work again (recycled)

Question 21

What does ATP do?

Accepted Answer

acts as an energy currency

Question 22

What factors affect how well enzymes do their job?

Accepted Answer

All of the above

Question 23

Which type of electron microscope produces a 2D image?

Accepted Answer

transmission electron microscope

Question 24

Name the organelle shown here:

Accepted Answer

chloroplast

Question 25

Where can ribosomes be found in the cell?

Accepted Answer

in rough ER and cytoplasm

Question 26

What does semipermeable mean?

Accepted Answer

only certain things can go through the cell membrane

Question 27

The enzyme in the image functions best at:

Accepted Answer

38 degrees C

Question 28

Which part of a plant cell contains the light-absorbing molecules that start photosynthesis?

Accepted Answer

thylakoids

Question 29

Osmosis is a special type of diffusion dealing exclusively with what?

Accepted Answer

water

Question 30

In ______, vesicles fuse with the membrane and then release their contents outside the cell

Accepted Answer

Exocytosis

Question 31

A substrate binds to _________ on an enzyme.

Accepted Answer

the active site

Question 32

An enzyme's function is determined by its

Accepted Answer

Shape

Question 33

Passive transport is defined as the movement of...

Accepted Answer

molecules from high to low concentrations

Question 34

What is the name of the sugar formed during photosynthesis?

Accepted Answer

glucose

Question 35

Which of the following is a product of photosynthesis?

Accepted Answer

O2

Question 36

In which location do the light-independent reactions take place?

Accepted Answer

stroma in chloroplast

Question 37

One cell splits into two daughter cells: Which part of the cell theory does this demonstrate?

Accepted Answer

all cells come from other cells

Question 38

Water's high ________ lets it absorb and release large amounts of __________.

Accepted Answer

heat capacity / heat

Question 39

Which of these organelles do all cells have?

Accepted Answer

ribosomes

Question 40

Which organelle is this?

Accepted Answer

rough endoplasmic reticulum

Question 41

Which process makes the most ATP?

Accepted Answer

Electron transport chain

Question 42

What types of cells have a cell wall?

Accepted Answer

Plant

Question 43

The Golgi apparatus _____ and ______ proteins for export out of cells.

Accepted Answer

modifies and packages

Question 44

T/F: The mitochondria makes ATP, which is cellular energy.

Accepted Answer

True

Question 45

Yeast help bread dough rise. Which process describes this?

Accepted Answer

Alcohol fermentation

Question 46

The attraction of water to water is called

Accepted Answer

cohesion

Question 47

Water forms a thin elastic-like sheet on the outside because of cohesive forces. This is called

Accepted Answer

surface tension

Question 48

Decreasing the concentration of the substrate will usually _________ the speed of the reaction

Accepted Answer

decrease

Question 49

What is this organelle?

Accepted Answer

golgi apparatus

Question 50

Enzymes belong to which class of macromolecules?

Accepted Answer

protein

Question 51

What is the job of the the smooth ER?

Accepted Answer

making lipids

Question 52

What is the name of the pigment that absorbs sunlight to power photosynthesis?

Accepted Answer

chlorophyll

Question 53

Which type of microscope can produce 3D images?

Accepted Answer

scanning electron microscope

Question 54

Water molecules have asymmetrical charges, which makes them

Accepted Answer

polar

Question 55

If a vacuole is like a storage container, a ________ is like a shipping container.

Accepted Answer

vesicle

Question 56

Proteins embedded in the cell membrane are used for...

Accepted Answer

transporting large molecules across the membrane

Question 57

Which process occurs when oxygen is not available after glycolysis?

Accepted Answer

Fermentation

Question 58

Which organelles are most closely associated with the production of energy?

Accepted Answer

mitochondria and chloroplast

Question 59

How many phosphate groups are in a molecule of ATP?

Accepted Answer

3

Life's Origins Quiz!

Questions 59

Life's Origins Quiz!

Questions 59