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Let's revise-year 4 Flashcards | StudBud
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Let's revise-year 4
Let's revise-year 4
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Questions
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Answers
1
What is the name given to the specifically shaped region of the enzyme where the reaction occurs?
Substrate
Product
Active site
Reactant
2
Which of the following is not found in an animal cell?
Ribosomes
Mitochondria
Golgi apparatus
Large central vacuole
3
Which organelle communicate with other organelles through the use of vesicular transport?
Vacuole and mitochondria
Centriole and Golgi apparatus
Rough Endoplasmatic reticulum and Golgi apparatus
Chloroplast and mitochondria
4
The number of chromosomes found in an unfertilized human egg cell is:
23
92
46
12.5
5
The function of a mitochondrion is
location of hormone synthesis
to house and protect the genetic material
location of ATP synthesis
location of lipid synthesis
6
What do plants and animals have in common?
Both are autotrophic
Both are prokaryotic
Both are eukaryotic
Both are heterotrophic
7
Which of the following is not found in a plant cell?
Choroplast
Mithocondrion
Cell wall
Lysosome
8
This is a rigid outer boundary in plant cells.
Chloroplast
Cytoplasm
Cell membrane
Cell wall
9
What is the name of the process where the plasma membrane forms a pouch to surround something and bring it into the cell
Endocytosis
Cellular respiration
Exocytosis
Protein synthesis
10
What does 'DNA' stand for?
Deoxiribonucleic acid
Deoxinucleic acid
Deoribonuclear acid
Deoxiribonucleus acid
11
This is a green organelle found only in plant cells.
chloroplast
Golgi apparatus
mitochondrion
vacuole
12
What term can be used to describe all cellular respiration?
Exothermic
Anaerobic
Aerobic
Endothermic
13
Which of these describe the process of mitosis?
Two diploid daughter cells are produced
Two haploid daughter cells are produced
Four diploid daughter cells are produced
Four haploid daughter cells are produced
14
All organisms in the kingdom Animalia are:
Unicellular and hetherotrophic
Unicellular and autotrophic
Multicellular and hetherotrophic
Multicellular and autotrophic
15
What is the function of the cell membrane?
To carry out respiration
To contain the genetic information
To synthesise proteins
To control the substances that enter and leave the cell
16
This is the control center of the cell where DNA is found
Ribosome
Nucleus
Vacuole
Lysosome
17
Phagocytosed food is digested with help of enzymes which are present in
Mitochondria
Golgi complex
Lysosomes
Ribosomes
18
Movement of molecules to low concentration area from higher concentration area is
Endocytosis
Active transport
Osmosis
Diffusion
19
Which molecules form the plasma membrane?
Phospholipids, proteins, carbohydrates, cholesterol
Proteins, nucleic acids, carbohydrates
Carbohydrates, phospholipids, cholesterol
Phospholipids, proteins, carbohydrates, hormones
20
Which organelles receive proteins from ribosomes?
Chloroplasts
Vacuoles
Golgi apparatus
Centrioles
