Biology Vocabulary Word Flash Cards
Our flash cards are a great way of testing if you've learned the meanings of the words in this section. Look at the words below and see if you can remember what each of them means.
If you get stuck, press "mnemonic" to show an image that should help you remember.
To check if you're right, or remind you if you've forgotten, press the card to flip it.
Go through the whole list to see how many word definitions you can recall. Practise until you're confident you can recall all of them.
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Diploid
a cell that contains two complete sets of chromosomes
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Haploid
a cell that contains one set of chromosomes
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DNA
molecule that carries the genetic instructions for life
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Genetics
the study of genes and inherited characteristics
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Chromosomes
thread-like structures made from DNA that carry genes (genetic information)
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Double helix
the physical structure of DNA; two strands twisted around each other
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Nucleotides
the building blocks of DNA
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Allele
a different version of a gene
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Genotype
the genetic makeup of an organism, represented as a combination of two alleles (two letters)
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Genome
the complete set of genetic information in an organism
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Protein
long chain of amino acids
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mRNA
molecule that carries genetic instructions from DNA to the cell's cytoplasm
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Cloning
the process of creating a genetically identical copy of a cell or organism
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Disease
a condition/illness that impairs the normal functioning of an organism
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Immunity
the body's ability to resist against infection and disease
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Deficiency
when an organism is lacking one or more essential nutrients
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Physiological disease
condition caused by a malfunction of the body
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Pathogen
microorganism that can cause disease
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Bacteria
small single-celled microorganisms
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