Brainscape's Knowledge GenomeTM

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


See full index

Biology > Multiple Choice Questions > Flashcards

Multiple Choice Questions Flashcards

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

The key distinguishing factor between hominins and primates is…

A

Bipedalism

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

Homo sapiens larger brain size is caused by…

A

The cerebrum becoming more folded

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

Which fossils provide an evolutionary link between previously identified species and known species?

A

Transitional fossils

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

What is not a requirement for fossilisation?

A

High oxygen availability

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

What type of protein is insulin?

A

A peptide hormone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A patient receiving treatment with monoclonal antibodies receives what type of immunity?

A

Artificial passive immunity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

cat limbs and whale fins are examples of what structures?

A

Homologous structures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Antibiotic resistant bacteria pose a significant public health issue. What does not combat to this issue?

A

Antigenic drift changing surface antigens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

A DNA sample is placed into a PCR machine, after 5 cycles how many strands are there?

A

64

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Carbon fixation only exists once in…

A

C3 plants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Prior to the adaptive response, what is likely to occur?

A

Complement proteins coat the bacteria to prevent binary fission

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

On the first exposure to pollen, what occurs in individuals who will become allergic to pollen?

A

IgE antibodies bind to mast cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

On the second exposure to pollen, what occurs in individuals who will become allergic to pollen?

A

Pollen binds to antibodies on the mast cells causing them to degranulate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the 3 steps of PCR

A

Denaturing, Annealing, Elongation

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

Where are B and T lymphocytes produced?

A

Bone marrow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is a characteristic of inflammation

A

Leaky capillaries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What macromolecule is an antibody composed of?

A

A polypeptide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Within chloroplast, where is the majority of ATP produced

A

The inner membrane / electron transport chain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Where does clonal selection and proliferation of B cells occur?

A

Lymph nodes, spleen and tonsils

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Many different codons can code for the same amino acid

A

Degenerate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

each codon is only capable of coding for a single amino acid

A

Unambiguous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

each triplet/codon is read independently of adjacent triplets or codons

A

Non overlapping

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

nearly all living organisms use the same set of rules and codons to code for proteins

A

Universal

24
Q

When invading bacteriophage DNA is incorporated into the CRISPR sequence, it is introduced as a…

A

Spacer

25
Q

What stage of photosynthesis requires Rubisco?

A

Light independent

26
Q

Which type of plant undergoes photosynthesis where the light independent stage is separated over time?

A

CAM plants

27
Q

Which type of plant undergoes photosynthesis where the light independent stage is separated over location?

A

C4 plants

28
Q

Name 3 physical barriers in plants

A

Sap, gals, waxy cuticles

29
Q

Name 2 chemical barriers in plants

A

Chitinase and phenol acid

30
Q

Name 3 physical barriers in humans

A

Intact skin, hair, cilia in lungs

31
Q

Name 3 chemical barriers in humans

A

Stomach acid, acidic sweat, low pH in vagina

32
Q

What are the 2 kind of B lymphocytes

A

Memory cells and plasma cells

33
Q

What are the 2 kind of T lymphocytes

A

Helper T cells and Cytotoxic T cells

34
Q

What are the 3 phagocytes

A

Neutrophils, Macrophages and Dendritic cells

35
Q

Which phagocyte isn’t an antigen presenting cell

A

Neutrophils

36
Q

What is ELISA testing

A

Tool for diagnosis/identification of a pathogen

37
Q

Where in the cell is NADH converted to NAD+

A

Cristae

38
Q

What is the function of B memory cells

A

Divide to produce plasma cells

39
Q

What is the role of monoclonal antibodies

A

Help reduce swelling caused by rheumatoid arthritis

40
Q

What is off target modification

A

Off target modification occurs when the Cas9 enzyme cuts an unintended location of the genome

41
Q

insulin produced by recombinant DNA technology is

A

produced from human insulin mRNA

42
Q

30 minutes after 18O is provided to photosynthesis plants in water molecules, what would it be found as

A

gaseous oxygen

43
Q

What would happen if CO2 was removed from a plants environment

A

rate of the light independent reaction will decrease

44
Q

Where does anaerobic fermentation take place in yeast cells

A

cytoplasm

45
Q

Interferons are produced in response to viral infections in what line of defence

A

second/innate/non specific

46
Q

Are cytotoxic T cells, eosinophils, self antigens or interferons involved in an allergic reaction to pollen

A

eosinophils

47
Q

unusually high allele frequenccies of ‘blue skin’ in Oregon, USA is an example of mutation, genetic drift, natural selection or speciation

A

genetic drift

48
Q

gene flow describes the movement of alleles between chromosomes, species, individuals or populations

A

populations

49
Q

Which of genetic drift, natural selection, bottleneck effect or antigenic shift will lead to the greatest genetic diversity

A

antigenic shift

50
Q

Vestigial structures are….

A

genetically determined structures that have lost most or all of their ancestral function

51
Q

One way to improve the accuracy of an experiment is to increase sample size, repeat the experiment, calibrate the equipment or control the variables

A

calibrate the equipment

52
Q

describe the role of a spacer sequence

A

segments of DNA cut from invading viruses used to recognise same virus in the future

53
Q

Describe the role of he PAM sequence

A

The protospacer adjacent sequence is a nucleotide sequence between the spacers that is used to identify bacterial DNA from not self viral DNA

54
Q

what kind of immunity is provided through vaccines

A

artificial active

55
Q

what kind of immunity is provided through breastfeeding

A

natural passive

Biology (1 decks)

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