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WorksheetsBiology and Chemistry Basics Quiz
Total questions: 29
Worksheet time: 15mins
What is a dihybrid cross?
Used to study two traits at the same time
Used to study one trait only
A type of mutation
A gene map
What is epistasis?
When one gene masks another gene
When genes are identical
When chromosomes separate
When DNA mutates
What is a mutation?
Any change in the DNA sequence
Normal DNA replication
The fusion of gametes
Protein synthesis
What is translocation?
Exchange of segments between non-homologous chromosomes
Failure of chromosomes to separate
Crossing over of homologous chromosomes
Deletion of DNA
What is nondisjunction?
Chromosomes fail to separate during anaphase
Chromosomes copy themselves
Genes mutate
Proteins are made
What is genetic engineering?
Direct manipulation of an organism’s genome using biotechnology
Natural selection
Selective breeding
Cell division
What is a gene map?
Shows the location of genes on a chromosome
Shows protein structure
Shows cell parts
Shows DNA mutations
What is a solute?
The substance that gets dissolved
The substance that does the dissolving
A solid only
A gas only
What is a solvent?
The substance that does the dissolving
The substance that gets dissolved
A chemical reaction
A protein
What is metabolism?
All chemical reactions within an organism’s cells
Only digestion
Only respiration
Only photosynthesis
What are chemical reactions?
Breaking and forming of bonds during chemical changes
Movement of chromosomes
Copying DNA
Cell division
What is activation energy?
Energy needed to start a chemical reaction
Energy released by a reaction
Energy stored in products
Energy in enzymes
What does hydrophilic mean?
Has an affinity for water
Repels water
Has no charge
Is nonpolar
What does hydrophobic mean?
Does not have an affinity for water
Attracts water
Is always soluble
Is charged
What are polysaccharides?
Large sugar molecules made of many smaller sugars
Single sugar molecules
Fats and oils
Proteins
What are haploid cells?
Cells with one full set of chromosomes
Cells with two full sets of chromosomes
Cells with no chromosomes
Cells with extra chromosomes
What is fertilization?
Fusion of egg and sperm to form a zygote
Cell division by mitosis
Production of gametes
Chromosome separation
What is a gene?
A section of DNA that codes for a protein
A whole chromosome
An organelle
A lipid
What are alleles?
Different versions of the same gene
Identical genes
Proteins
Chromosomes
What does homozygous mean?
Two of the same alleles
Two different alleles
One allele only
No alleles
What does heterozygous mean?
Two different alleles
Two of the same alleles
One allele only
No alleles
What are reactants (substrates)?
Substances changed during a chemical reaction
Substances made by a reaction
Energy needed for a reaction
Enzymes
What are products?
Substances made by a chemical reaction
Substances used in a reaction
Energy released
Enzymes
Law
Explains why something happens using evidence
Describes qualities
Describes what always happens in nature
Life cycles of a cell
Meiosis
When sperm joins a egg
One set of chromosomes
Identical chromosomes copies
Cell division making sex cells
Genetic code
Instructions for protiens
Building protein blocks
Segment of dna
Chain of amino acids
Epistasis
When one gene affects another
Two parents involved creating one
DNA to RNA to proteins
Predicts offspring traits
Unicellular
One cell organism
Two cell organisms
Even mix of substances
absorbs energy
Homeostasis
Maintaing stable conditions
Protiens that speed reactions
DNA instructions for traits
Different forms of the gene
