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WorksheetsYear 12 Biology Definitions
Total questions: 15
Worksheet time: 30mins
Definition of a Codon (choose BEST answer)
A unit of 3 adjacent nucleotides in the messenger RNA (mRNA) that codes for a specific amino acid in the synthesis of a protein molecule.
A unit of 3 nucleotides in the messenger RNA (mRNA) that codes for a specific amino acid in the synthesis of a protein molecule.
A unit of 3 adjacent nucleotides in the messenger RNA (mRNA) that codes for a amino acid in the synthesis of a protein molecule.
3 nucleotides in the messenger RNA (mRNA) that codes for a amino acid in the synthesis of a protein molecule.
Definition of a Gene (choose best definition)
A sequence in the DNA that occupies a specific location on a chromosome and that determines a particular characteristic (trait) in an organism.
DNA that occupies a location on a chromosome and that determines a particular characteristic (trait) in an organism.
A sequence in the DNA that determines a particular characteristic (trait) in an organism.
A sequence in a specific location on a chromosome and that determines a particular organism.
"The process of making a copy of genetic information stored in a DNA stranded into a complementary strand of RNA"
The above definition describes:
Gene Transcription
Gene Translation
Protein Synthesis
Osmosis
"A unit of 3 successive nucleotides in a molecule of DNA that codes for a specific amino acid"
The above definition describes:
Triplet
Protein
RNA
DNA
"The process of translating the sequence of messenger RNA (mRNA) molecule to a sequence of amino acids during protein synthesis"
The above definition describes:
Gene Transcription
Gene Translation
Protein Synthesis
Osmosis
What is an allele?
2 or more variants of a gene that have the same relative position on homologous chromosomes and are responsible of alternative characteristics
A process during meiosis wherein 2 chromosomes pair up and exchange segments of their genetic material
Variation within a population in which few or no intermediate phentoypes fall between the extremes (i.e. Human Blood Types)
Variation within a population in which a graded series of intermediate phentotype falls between the extremes (i.e Human Height)
What is crossing over?
2 or more variants of a gene that have the same relative position on homologous chromosomes and are responsible of alternative characteristics
A process during meiosis wherein 2 chromosomes pair up and exchange segments of their genetic material
Variation within a population in which few or no intermediate phentoypes fall between the extremes (i.e. Human Blood Types)
Variation within a population in which a graded series of intermediate phentotype falls between the extremes (i.e Human Height)
What is continuous variation?
2 or more variants of a gene that have the same relative position on homologous chromosomes and are responsible of alternative characteristics
A process during meiosis wherein 2 chromosomes pair up and exchange segments of their genetic material
Variation within a population in which few or no intermediate phentoypes fall between the extremes (i.e. Human Blood Types)
Variation within a population in which a graded series of intermediate phentotype falls between the extremes (i.e Human Height)
What is discontinuous variation?
2 or more variants of a gene that have the same relative position on homologous chromosomes and are responsible of alternative characteristics
A process during meiosis wherein 2 chromosomes pair up and exchange segments of their genetic material
Variation within a population in which few or no intermediate phentoypes fall between the extremes (i.e. Human Blood Types)
Variation within a population in which a graded series of intermediate phentotype falls between the extremes (i.e Human Height)
What is a chiasma?
The point at which paired chromosomes contact during crossing over
A process during meiosis wherein 2 chromosomes pair up and exchange segments of their genetic material
Variation within a population in which few or no intermediate phentoypes fall between the extremes (i.e. Human Blood Types)
Variation within a population in which a graded series of intermediate phentotype falls between the extremes (i.e Human Height)
Definition of a Cell Wall (choose best definition)
Rigid structure which provides support to cells, composed of cellulose in plant cells
Structure which provides support to cells, composed of cellulose in plant cells
Rigid structure composed of cellulose in plant cells
Rigid structure in plant cells
Definition of a Cytoplasm
Rigid structure which provides support to cells, composed of cellulose in plant cells
A jelly like substance found in cells which contains all the organelles in the cell suspended in a liquid called the Cytosol.
Network of membranes found throughout the cytoplasm of cells which are involved in processing proteins (Rough ER) and lipids (Smooth ER)
Organelle found in the cytoplasm of photosynthetic organisms which is the site of photosynthesis
Definition of a Chloroplast
Rigid structure which provides support to cells, composed of cellulose in plant cells
A jelly like substance found in cells which contains all the organelles in the cell suspended in a liquid called the Cytosol.
Network of membranes found throughout the cytoplasm of cells which are involved in processing proteins (Rough ER) and lipids (Smooth ER)
Organelle found in the cytoplasm of photosynthetic organisms which is the site of photosynthesis
Definition of a Endoplasmic Recticulum:
Rigid structure which provides support to cells, composed of cellulose in plant cells
A jelly like substance found in cells which contains all the organelles in the cell suspended in a liquid called the Cytosol.
Network of membranes found throughout the cytoplasm of cells which are involved in processing proteins (Rough ER) and lipids (Smooth ER)
Organelle found in the cytoplasm of photosynthetic organisms which is the site of photosynthesis
Define Mitochondria (choose best answer)
Organelles found in the cell's cytoplasm which are the site of cellular respiration
Site of cellular respiration
Organelles which are the site of cellular respiration
Organelles found in the cell.
