Brainscape's Knowledge GenomeTM

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


See full index

Biology- Combined Science > B:1 Cell Biology Paper 1 > Flashcards

B:1 Cell Biology Paper 1 Flashcards

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

Name The 5 Parts Of The Animal Cell?

A
  • 1) Cytoplasm
  • 2) Nucleus
  • 3) Cell Membrane
  • 4) Mitochondria
  • 5) Ribosomes
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What’s The Function of cytoplasm?

A

-Its a Jelly Like Substance Where Most Chemical Reactions Happen.

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

What’s The Function of Nucleus?

A
  • It Controls The Actives Of The Cell.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What’s The Function of Cell Membrane?

A
  • It controls the movement of substances in and out of the cell.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What’s The Functions Of Ribosomes?

A
  • They Are Tiny Structures Where Protein Synthesis Happens.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Name The 7 Parts Of Plant Cells?

A
  • 1) Cytoplasm
  • 2) Cell Membrane
  • 3) Nucleus
  • 4) Mitochondria
  • 5) Ribosomes
  • 6) Chloroplasts
  • 7) Vacuole
  • 8) Cell Wall
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What The Difference Between Plants and Animal Cells?

A
  • The Plant Cell Has A Cell Wall,Vacuole,and Chloroplasts.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What Does The Cell Wall Do To The Plant?

A
  • Its Made Of Cellulose and It Supports the cell and Strengthens It.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What Does The Vacuole Contain?

A
  • Cell Sap.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What Happens In The Chloroplast?

A
  • Photosynthesis Happens and Makes Food For The Plant.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Write a Definition of Eukaryotic and Prokaryotic?

A
  • Eurkatric Has a Nucleus.
  • But Prokatric Doesn’t Have a Nucleus.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Give Example Of Prokaryotic and Eukaryotic?

A
  • Pro - Bactrian.
  • Euk - Animal and Plants.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which Microscope Has a Higher Resolution and Which Microscope Is Better?

A
  • Electron Microscopes Have a Higher Resuition.
  • Electron Microscope are better because you can view cells in detail.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Whats The Equation For Magnification?

A

Image Size ÷ Real Size

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

In 6 Steps How You Prepare a Slide
(PRACTICAL)?

A
  • 1) Add a Drop of Water to a Middle of a Clean Slide.
  • 2) Cut Up a Onion and Take off 1 Layer.
  • 3) Use Tweezers To Peel Of Some Epidermal tissue from the bottom of the layer.
  • 4) Using The Tweezers Place the skin into the water on the slide.
  • 5) add a drop of iodine Solution The Iodine Solution is a Stain and It Can Make It Easier to see.
  • 6) Place a Cover Slip On Top.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

in 4 Steps How do you use the light microscope to look at the slides (PRACTICAL)?

A
  • 1) Clip the Slide onto the Stage and Select The Objective Less With the Lowest Magnification.
  • 2) Use The Coarse Adjustment Knob To Move the stage up to just below the Objective Lens.
  • 3) Look Down the Eyepiece and move the stage downwards until the image is roughly in focus.
  • 4) Move the fine Adjustment Knob Until you get a Clear Image.
17
Q

What The Process Called When Cells Become Specialised?

A
  • Differentiation
18
Q

Name 5 Specialised Cells and Explain What Makes Them Specialised?

A
  • 1) Sperm Cells - Its Has a Tail to help it swim to the Egg.
  • 2) Nerve Cells - They Have Branches at the end to connect to other nerve cells.
  • 3) Muscle Cells - They Are Long So They Have Space To Contract.
  • 4) Root Hair Cells - They Have a Big Surface Area for absorbing water and mineral ions.
  • 5) Phloem and Xylem Cells - Xylem Cells Are Hollow and Phloem cells have very few sub cellar structures so there is lots of space.
19
Q

The Nucleus Of a Cell Contains (_____________)?

A
  • Chromosomes
20
Q

What Are Chromones and How Many Pairs are in a Human Cell

A
  • They Are Coiled Up Lengths Of DNA Molecules.
  • There are 23 Pairs.
21
Q

What Happens Before The Cell Divides?

A
  • 1) The cell grows and increases the amount of Subcellular Structures.
  • 2) Then The DNA Is Replicated (Copied) So There is only 1 copy for each new Cell.
  • 3) The DNA Forms X-Shaped Chromosomes Each Arm Has The Extract Copy Of The Other.
22
Q

State 3 Steps Of How Mitosis Happens?

A
  • 1) The Chromosomes Line up at the center of the cell.
  • 2) The 2 Arms of Each chromosomes are pulled apart to opposite endo of the cell.
  • 3) This Divides The Cell and Each Set of Chromes Become The Nucleus of a new cell.
23
Q

Name 2 Key Features Of Stem Cells?

A
  • 1) They Are Able To Divide By Mitosis To Form More Cells.
  • 2) They Are Able to Differentiate Into Specialised Cells For Example Nerve Cells.
24
Q

What Are Embryonic Cells and What Can They Do?

A
  • Its A Group Of Embryo.
  • They Can Differentiate Into any Type of Cell.
25
Q

What Will Stem Cells Constantly Keep Doing?

A

They Will Differentiate Into Other Cells.

26
Q

Write A Definition Of Diffusion?

A
  • Diffusion Is The Spreading of Particles From a Area of Higher Concertation To a Area of Lower Concertation.
27
Q

The Difference In Concertation Is Called The (__________________)

A
  • Concentration Gradient
28
Q

Name 2 Things That Can Increase The Speed Diffusion Happens?

A
  • The Temperature
  • The Bigger The Difference In Concertation.
29
Q

How Do Massive Molecules Flow Into The Cell Membrane?

A
  • They Have To Go Form a Higher Concertation To a Area Of Low Concertation.
30
Q

The Larger The (_______________________) Of The Membrane The Faster the Diffusion Rate?

A

Surface Area

31
Q

Write a Definition Of Osmosis?

A
  • Osmosis Is The Movement Of Water Molecules across A Partially Permeable Membrane From a less concerted solution to a more concentrate solution.
32
Q

In 4 Steps Of How Osmosis Works ?

A
  • 1) Tiny Molecules Like Water can pass thought it but bigger molecules cant.
  • 2) Water Molecules Can Pass Both Ways During Osmosis.
  • 3) Overall The Water Molecules Move From The Less Concentrated solution to the more concentrated Solution.
  • 4) This Means The Concerted Solution Is More Dilute.
33
Q

Name the 9 Steps Of Osmosis (PRACTICAL)?

A
  • 1) First Cut Up a Potato Into Cylinders With The Same Length and Width.
  • 2) then get 2 Beakers - 1 With Pure Water and Another with Concentrated Sugar Solution (E.g 1 Mol).
  • 3) You Can Also Have a Few other Beakers With Less Concentrated Sugar Solution (E.g 0.2,0.4).
  • 4) Measure The Mass Of Each Potato Cylinder and put 1 in each beaker and leave it for 24 hours.
  • 5) Then Take Them Out and Dry Them With a Paper Towel and Measure Their Masses Again.
  • 6) If The Mass Has Increased Water Has Moved Into The Potato and If Its Decreases water has Moved Out Of The Potato.
  • 7) You Can Calculate the Percentage Change and Compare the Effects.
34
Q

Write a Definition Of Active Transport?

A
  • Substances Being Absorbed from a Lower concentration to a Higher Concentration Against The Concentration Gradient.
35
Q

Name 2 Facts About Root Hair Cells?

A
  • 1) Plant Roots Are Covered in Millions Of Root Hair Cells And These Cells Then Stick Into The Soil.
  • 2) The Hairs give the roots a larger surface Area for Absorbing water and mineral ions from the soil.
36
Q

Give 3 Ways That Exchange Surfaces can be adapted for Diffusion?

A
  • 1) Large Surface Area
  • 2) Thin Membranes
  • 3) Concertation Gradient Maintenance
37
Q

In 3 Steps How Does Gas Exchange Happen In The Lungs?

A
  • 1) Oxygen and Carbon Dioxide are Exchange in the Lungs.
  • 2) The Lungs Contain Millions of Little Air Sacs Called Alveoli.
  • 3) The Alveoli Are Adapted To Their Function As They Have a Large Surface Area,very thin Walls and a Good Blood Supply.
38
Q

What Helps Vili To Do Their Job?

A
  • 1) a Single Layer of Surface Cells
  • 2) a Very Good Blood Supply

Biology- Combined Science (2 decks)

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