Cellular ultrastructure

Assessment

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Carla Pieterse

•

Biology

•

10th Grade

•

141 plays

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Easy

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60 questions

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Multiple Choice

2 mins

1 pt

Unicellular organisms has more than one cell

True

False

Multiple Choice

2 mins

1 pt

Unicellular organisms have a short lifespan due because...

these organisms being very large in size

they do not have cytoplasm to protect the cell from its environment

they only has one available cell to conduct all processes in the cell

Multiple Choice

2 mins

1 pt

The surface-area to volume ratio tells us that...

smaller cells have a higher surface area to volume ratio

larger cells have a higher surface area to volume ratio

Multiple Choice

2 mins

1 pt

Cells > Tissues > ? > System

Nucleus

Proteins

Organs

Multiple Choice

2 mins

1 pt

Prokaryotic cells have no genetic material

True

False

Multiple Choice

2 mins

1 pt

Eukaryotic cells have

membrane bound organelles

a nucleus

cytoplasm

all of the above

Multiple Choice

2 mins

1 pt

Prokaryotic cells can be either unicellular or multi-cellular

True

False

Multiple Choice

2 mins

1 pt

Eukaryotic cells can be unicellular or multicellular

True

False

Multiple Select

2 mins

1 pt

The following organisms are prokaryotic (select multiple)

plants

bacteria

archaea

fungi

10.

Multiple Choice

2 mins

1 pt

Endosymbiotic theory is a ...

mathematical theory

geographical theory

evolutionary theory

11.

Multiple Select

2 mins

1 pt

The endosymbiotic theory can be used to explain the presence of which organelles in modern eukaryotes?

nucleus

mitochondrion

golgi apparatus

chloroplasts

12.

Multiple Choice

2 mins

1 pt

Eukaryotes can never be unicellular

True

False

13.

Multiple Choice

2 mins

1 pt

The outer layer of both animal and plants cells is called the...

plasma membrane

cell wall

cytoplasm

14.

Multiple Choice

2 mins

1 pt

Homeostasis refers to the process whereby...

photosynthesis takes place

the internal environment of the cell is kept constant

cell die because of changes in their environments

15.

Multiple Choice

2 mins

1 pt

The Protoplasm refers to

Nucleus + cytosol + organelles

Cytosol + organelles

Nucleus only

Cytoplasm only

16.

Multiple Choice

2 mins

1 pt

The cytoplasm refers to...

The nucleus alone

Nucleus + cytosol + organelles

Cytosol + organelles

Protoplasm

17.

Multiple Choice

2 mins

1 pt

Colloids have 3 properties. Which of the following properties is INCORRECT?

Colloids will separate into their constituents over time

Colloids can imbibe

Colloids can shift between a sol and gel state

The cytoplasm can be regarded as a colloid

18.

Multiple Choice

2 mins

1 pt

Animal cells have a fixed shape to aid in structural support

True

False

19.

Multiple Choice

2 mins

1 pt

All plant cells have chloroplasts

True

False

20.

Multiple Choice

2 mins

1 pt

The plasma membrane is...

extremely permeable

extremely impermeable

semi-permeable

21.

Multiple Choice

2 mins

1 pt

The arrangement of the plasma membrane is...

Hydrophobic tails facing outward, whereas hydrophilic heads are all inside the membrane

Hydrophilic heads all facing outwards, whereas the hydrophobic tails are inside the membrane

Hydrophobic heads all facing outwards, whereas hydrophilic tails are inside of the membrane

Hydrophilic tails facing outwards, with the hydrophobic heads inside of the membrane

22.

Multiple Choice

2 mins

1 pt

The plasma membrane is...

a phospholipid bilayer

a sugary bilayer

nitrogenous bilayer

23.

Multiple Choice

2 mins

1 pt

The fluid mosaic model suggests...

Proteins are fixed in one spot within the membrane

All components in the membrane are constantly moving around

The plasma membrane will eventually become a cell wall

24.

Multiple Choice

2 mins

1 pt

Active transport

Requires diffusion

Requires ATP

Requires osmosis

Requires no ATP

25.

Multiple Choice

2 mins

1 pt

Passive transport relies on molecules moving from...

a high concentration to a higher concentration

a low concentration to a high concentration

a high concentration to a low concentration

similar concentrations

26.

Multiple Choice

2 mins

1 pt

The nuclear envelope refers to the...

Plasma membrane

Double membrane around the nucleus

Single membrane around the nucleus

the nucleoplasm

27.

Multiple Choice

2 mins

1 pt

The nucleolus is...

the site of ribosome production

the site of chromosome production

the powerhouse of the cell

28.

Multiple Choice

2 mins

1 pt

The outer membrane of the nucleus is continuous with...

the golgi apparatus

the mitochondrion

the endoplasmic reticulum

the plasma membrane

29.

Multiple Choice

2 mins

1 pt

Cellular respiration takes place in the...

nucleus

chloroplast

endoplasmic reticulum

mitochondrion

30.

Multiple Choice

2 mins

1 pt

Cellular respiration ends with

glucose

starch

chemical potential energy

kinetic energy

31.

Multiple Choice

2 mins

1 pt

The mitochondrion has two membranes...

a folded outer layer and a smooth inner layer

a folded inner layer and a smooth outer layer

two smooth outer layers

two smooth inner layers

32.

Multiple Choice

2 mins

1 pt

In general, when membranes are folded, this is done to...

increase the cell volume

increase the cell size

change the cell shape

increase the cell's surface area

33.

Multiple Choice

2 mins

1 pt

Where do the enzymes within the mitochondrial matrix come from?

They are pumped into the cell

They are made by the ribosomes within the mitochondrial matrix

They were always there

They only appear once the mitochondria is ready to undergo cellular respiration

34.

Multiple Choice

2 mins

1 pt

What are the membrane bound sacks that are folded to make up the endoplasmic reticulum called?

The matrix

Cisternae

Cristae

Crista

35.

Multiple Choice

2 mins

1 pt

Which statement is false regarding the rough endoplasmic reticulum?

it is continuous with the outer membrane of the nucleus

it is involved in protein production and transport

it has no ribosomes attached to it

36.

Multiple Choice

2 mins

1 pt

Which organelle is indicated by the bracket?

Mitochondrion

Smooth endoplasmic reticulum

Rough endoplasmic reticulum

Golgi apparatus

37.

Multiple Choice

2 mins

1 pt

Identify this organelle

Golgi apparatus

Mitochondria

Nucleus

Endoplasmic reticulum

38.

Multiple Choice

2 mins

1 pt

Identify this organelle

Nucleus

Mitochondria

Endoplasmic reticulum

Golgi apparatus

39.

Multiple Choice

2 mins

1 pt

What are the orange structures found around the peripheries of the membrane?

DNA

Ribosomes

Pores

Nucleoplasm

40.

Multiple Choice

2 mins

1 pt

What is the darker spot in the middle of this organelle called?

Mitochondria

Nucleolus

Nucleoplasm

Ribosome

41.

Multiple Choice

2 mins

1 pt

What is the function of the darker spot in the middle of this organelle?

It is the site for ribosome production

It is the site for cellular respiration

It is the site for active transport

42.

Multiple Choice

2 mins

1 pt

This is a phospholipid. The pink arrow indicates the?

Hydrophobic phosphorous head

Hydrophilic phosphorous head

Hydrophobic lipid tails

Hydrophilic lipid tails

43.

Multiple Choice

2 mins

1 pt

This is a phospholipid. The white arrow indicates the?

Hydrophobic phosphorous head

Hydrophilic phosphorous head

Hydrophobic lipid tails

Hydrophilic lipid tails

44.

Multiple Choice

2 mins

1 pt

Larger and lives longer

Multicellular organisms

Unicellular organisms

45.

Multiple Choice

2 mins

1 pt

The prokaryotic cell has membrane bound organelles

True

False

46.

Multiple Choice

2 mins

1 pt

The endoplasmic reticulum is the __________ of the cell

brain

transport system

powerhouse

47.

Multiple Choice

2 mins

1 pt

The outer membrane of the nuclear envelope is continuous with ...

the golgi apparatus

the mitochondria

the chloroplast

the endoplasmic reticulum

48.

Multiple Choice

2 mins

1 pt

The membrane bound sac folds of the endoplasmic reticulum is called the...

cristae

cisternae

grana

thylakoids

49.

Multiple Choice

2 mins

1 pt

When substances have travelled through the golgi apparatus and are ready to leave, they bud off into a ...

ribosome

vesicle

sac

golgi bubble

50.

Multiple Choice

2 mins

1 pt

The golgi apparatus is associated closely with the...

nucleus

endoplasmic reticulum

nuclear membrane

mitochondria

51.

Multiple Choice

2 mins

1 pt

Lysosomes contain...

sugars

lysine

digestive enzymes

anabolic enzymes

52.

Multiple Choice

2 mins

1 pt

Ribosomes are important for ...

protein synthesis

energy synthesis

starch synthesis

ozygen synthesis

53.

Multiple Choice

2 mins

1 pt

True or false: The organelle known as the centrosome is found in the region known as the centrioles

true

false

54.

Multiple Choice

2 mins

1 pt

Chloroplasts store

photosynthetic pigment

non-photosynthetic pigment

55.

Multiple Choice

2 mins

1 pt

Chromoplasts store

photosynthetic pigment

non-photosynthetic pigment

56.

Multiple Select

45 sec

1 pt

Large vacuoles are present in plant cells to do what? Pick all that apply

store cell sap

keep the cell turgid

act as the background substance for the cell

gives animal cells it's fixed shape

57.

Multiple Choice

2 mins

1 pt

The middle lamella between plant cells contains ________ to stick the cells together

cellulose

lignin

pectin

starch

58.

Multiple Choice

2 mins

1 pt

True or false: The secondary cell wall is built on the outside of the primary cell wall

true

false

59.

Multiple Choice

2 mins

1 pt

Waterproofing of plant cells is achieved by which substance in some plant cells?

suberin

lignin

cellulose

pectin

60.

Multiple Choice

2 mins

1 pt

The walls of adjacent plant cells are linked with passages through which the cytoplasm stretches called...

pits

middle lamella

plasmodesmata

stomata

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