EDEXCEL IAL BIOLOGY TOPICS 3 and 4

Question 1 of 20

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After a protein exits the ribosome, it is modified into its secondary structure. In which organelle this occurs?

Select one of the following:

  • RER (Rough endoplasmic reticulum)

  • Golgi app.

Question 2 of 20

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In which mitotic process the chromatin STARTS to condense?

Select one of the following:

  • Prophase

  • Metaphase

  • Anaphase

  • Telophase

Question 3 of 20

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Which structure is present in a Prokaryotic cell but NOT in a Eukaryotic cell?

Select one of the following:

  • Ribosomes

  • Capsule

  • Cell Membrane

  • Lysosomes

Question 4 of 20

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When cells become specialized, which of the genes are transcribed?

Select one of the following:

  • The ones that are switched ON

  • The ones that are switched OFF

Question 5 of 20

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In the cell cycle, the "S" stands for...

Select one of the following:

  • Synthesis of proteins

  • Synthesis of DNA

Question 6 of 20

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Describe the term "Polygenic Inheritance"

Select one of the following:

  • Inheritance of phenotypes that are determined by the collective effect of several genes

  • Inheritance of genotypes that are determined by the collective effect of several genes

Question 7 of 20

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The Smooth-Endoplastmic Reticulum (SER) is in charge of...

Select one of the following:

  • Producing Proteins

  • Producing Lipids

  • Producing Carbohydrates

Question 8 of 20

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In meiosis, what increases genetic diversity?

Select one of the following:

  • Crossing-over

  • Polygenic Inheritance

Question 9 of 20

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Kinases are activated by...

Select one of the following:

  • Lipids

  • Cyclins

  • Other Kinases

  • Oncogenes

Question 10 of 20

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Stem cells can be obtained from...

Select one or more of the following:

  • Spare embryos

  • Cells in the brain

  • Blood from the umbilical cord

  • Cells removed from an embryo at the 8 cell stage

  • Cells removed from an embryo at the 12 cell stage

Question 11 of 20

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Cellulose and Starch are both polymers of...

Select one of the following:

  • Glucose

  • Amylose

  • Sucrose

Question 12 of 20

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Xylem vessels contain dead cells?

Select one of the following:

  • True
  • False

Question 13 of 20

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Cellulose is a polysaccharide made of _____(a)______ joined together by ______(b)_________ in ________(c)_________ reactions.

Select one of the following:

  • (a) β-glucose (b) glycosidic bonds (c) condensation

  • (a) β-glucose (b) hydrogen bonds (c) condensation

  • (a) α-glucose (b) glycosidic bonds (c) condensation

  • (a) α-glucose (b) hydrogen bonds (c) hydrolysis

Question 14 of 20

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Nitrate ions are used by plants to...

Select one or more of the following:

  • Convert carbohydrates into nucleotides

  • Convert carbohydrates into amino acids

  • Convert carbohydrates into chlorophyll

Question 15 of 20

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An example of a placebo is...

Select one or more of the following:

  • Aspirin

  • Water

  • Water with sugar

  • Any type of drug

Question 16 of 20

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"Where a species is found only within a particular niche in a particular ecosystem" is the definition for...

Select one of the following:

  • Endemic

  • Niche

  • Species richness

Question 17 of 20

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"Is a measure of biodiversity where the number and variety of species in an area is recorded" is the definition for...

Select one of the following:

  • Endemic

  • Niche

  • Species Richness

Question 18 of 20

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"Is the specific part of the ecosystem in which a species lives and any adaptations the species has that makes it successful there" is the definition for...

Select one of the following:

  • Endemic

  • Niche

  • Species Richness

Question 19 of 20

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In nature, we have Bacteria, ______________ and _________________. Which are the groups missing?

Select one or more of the following:

  • Archea

  • Eukaryotes

  • Animalia

  • Plantae

Question 20 of 20

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Drugs need to pass through ____ phases until it can be licensed.

Select one of the following:

  • 1

  • 2

  • 3

  • 4

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EDEXCEL IAL BIOLOGY TOPICS 3 and 4

aoijmpi
Quiz by , created over 1 year ago

Edexcel IAL (6BI01/01) Biology test for topics 3 and 4, including: The voice of the genome and Biodiversity and natural resources.

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aoijmpi
Created by aoijmpi over 1 year ago
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