Ocr 21st century Biology B7 revision quiz. Watch

redtortoise
Badges: 3
Rep:
?
#1
Report Thread starter 6 years ago
#1
I the light of our exam I thought I would create a quiz thread so Ill post a question, then you post an answer with another question for the next person.

Name a pro of using genetic modification to make insulin.
1
reply
kited4
Badges: 0
Rep:
?
#2
Report 6 years ago
#2
you can produce large amounts very easily

What are the symptoms of sickle cell anemia
0
reply
Swimmer123
Badges: 3
Rep:
?
#3
Report 6 years ago
#3
Symptoms include physical weakness, pain, fever, and could lead to heart failure or brain damage

What is meant by compensation point?
0
reply
Bobby2
Badges: 0
Rep:
?
#4
Report 6 years ago
#4
The compensation point occurs when the respiration rate equals the photosynthesis rate i.e. the co2 made during respiration equals the amount of c02 used during photosynthesis.

What are the main steps in genetic modification?
0
reply
redtortoise
Badges: 3
Rep:
?
#5
Report Thread starter 6 years ago
#5
A plasmid is used as a vector, the plasmid is opened using restriction enzymes, then the desired dna cut using restriction enzymes and is inserted to the plasmid. The plamid is then inserted into the cell. If the dna sequence is to large a virus is used.

Which blood types can give to a person with A blood type.
0
reply
Swimmer123
Badges: 3
Rep:
?
#6
Report 6 years ago
#6
Blood types A and O

What is the role of red blood cells?
0
reply
swaine.
Badges: 0
Rep:
?
#7
Report 6 years ago
#7
to transport oxygen around the body

Name the three main things plant use oxygen for?
0
reply
misspig
Badges: 0
Rep:
?
#8
Report 6 years ago
#8
Are you sure you ment that?

Give three reasons why treatments may need to be modified.
0
reply
Azzy G
Badges: 0
Rep:
?
#9
Report 6 years ago
#9
Because its not producing any improvement
Because its causing damage
Because its producing side effects that are dangerous

Why is it important for Practioners to keep records?
0
reply
redtortoise
Badges: 3
Rep:
?
#10
Report Thread starter 6 years ago
#10
So then can remeber records and previous treatments, so they can monitor progress and share information.

Name the parts of a synovial joint.
0
reply
misspig
Badges: 0
Rep:
?
#11
Report 6 years ago
#11
Synovial fluid, membrane and cartilidge, ligaments,
What is the difference between aerobic and anaerobic respiration.
0
reply
swaine.
Badges: 0
Rep:
?
#12
Report 6 years ago
#12
aerobic respiration uses oxygen, where as anaerobic respiration doesn't. The body Mainly uses aerobic respiration and only resorts to anaerobic respiration when the demand for aerobic respiration is greater than the body can provide. During the process of anaerobic respiration the glucose is only partially broken down and lactic acid is also produced.

What is gas exchange?
0
reply
redtortoise
Badges: 3
Rep:
?
#13
Report Thread starter 6 years ago
#13
The removal of co2 and intake of oxygen.

What is ATP synthisised from?
0
reply
Angelica.
Badges: 0
Rep:
?
#14
Report 6 years ago
#14
ADP.

What is the relationship between sickle cell anaemia and malaria?
0
reply
redtortoise
Badges: 3
Rep:
?
#15
Report Thread starter 6 years ago
#15
Where maleria is common sickle cell anaemia is also common because it provides some imunity so more chance to pass the faulty allele on.

What does RICE stand for?
0
reply
swaine.
Badges: 0
Rep:
?
#16
Report 6 years ago
#16
R - Rest
I - Ice
C - Compression
E - Elevation

Which ABO blood type is an universal recipiant and which ABO blood type is an universal donor?
0
reply
redtortoise
Badges: 3
Rep:
?
#17
Report Thread starter 6 years ago
#17
AB universal recipiant 0 universal donor

Name a feature of a parasite which helps it to survive.
0
reply
Angelica.
Badges: 0
Rep:
?
#18
Report 6 years ago
#18
Parasites such as Tapeworms are able to grip on to the gut wall/ intestines through the use of hooks, this enables them to absorb food.

Give advantages and disadvantages of using pyramid of numbers and the pyramid of biomass.
0
reply
JLKeating
Badges: 14
Rep:
?
#19
Report 6 years ago
#19
(Original post by Angelica.)
Parasites such as Tapeworms are able to grip on to the gut wall/ intestines through the use of hooks, this enables them to absorb food.

Give advantages and disadvantages of using pyramid of numbers and the pyramid of biomass.
Pyramid of numbers accurately shows how many of each species is in a habitat but gives no indication of the biomass and so doesn't show the energy available to the next trophic level. A pyramid of numbers isn't always pyramid shaped. A pyramid of biomass shows how much food is available to the next level and is always pyramid shaped.

What is the purpose of ligaments in a joint?

This was posted from The Student Room's iPhone/iPad App
0
reply
redtortoise
Badges: 3
Rep:
?
#20
Report Thread starter 6 years ago
#20
To hold the bones together.

Name the four components of soil.
0
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

University open days

  • Cardiff University
    Undergraduate Open Day Undergraduate
    Wed, 27 Mar '19
  • University of Portsmouth
    Postgraduate and Part-Time Open Evenings Postgraduate
    Wed, 27 Mar '19
  • Middlesex University London
    Postgraduate Open Evening Postgraduate
    Wed, 27 Mar '19

How old were you when you first saw porn?

I've never seen it (117)
21.59%
Before I was 12 (183)
33.76%
13 (85)
15.68%
14 (63)
11.62%
15 (38)
7.01%
16 (16)
2.95%
17 (6)
1.11%
18 (5)
0.92%
Between the ages of 19 - 24 (6)
1.11%
Over 25 (1)
0.18%
12 (22)
4.06%

Watched Threads

View All
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise