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A-Z Biology

Challenging biology terms and facts, ordered alphabetically.
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MongBean69
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Last updated: July 19, 2024
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First submittedJuly 18, 2024
Times taken59
Average score42.3%
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Nucleotide which is the primary carrier of energy in cells, capturing and releasing chemical energy for cellular processes.
Adenosine Triphosphate (ATP)
Tiny air passages inside the lungs that deliver air to the alveoli.
Bronchioles
Part of mitosis during which the cytoplasm of a single eukaryotic cell divides into two daughter cells.
Cytokinesis
The loss of a biological molecule's three-dimensional structure. Hint: this is the step in PCR where the DNA strands are separated.
Denaturation
System of organs that produce and regulate hormones.
Endocrine System
Term that defines the animals of a particular region, habitat, or geological period.
Fauna
Group of plants which produce seeds that are not contained within an ovary or fruit. A common example is the conifer tree.
Gymnosperm
Branch of zoology concerned with the study of amphibians and reptiles.
Herpetology
Australian snake species with the most toxic venom based on lethal dose in mice.
Inland Taipan
Wolf-like carnivores of the dog genus that live in Africa and Asia.
Jackal
Also known as the Citric Acid Cycle, this is the second major step in oxidative phosphorylation.
Krebs Cycle
Specialized vesicles within cells that digest large molecules through the use of hydrolytic enzymes
Lysosomes
Technical word for "chewing" defined as the mechanical grinding of food into smaller pieces by teeth.
Mastication
An elastic rod which extends through Chordate organisms, providing rigid support.
Notochord
Branch of medicine that deals with the study, treatment, diagnosis, and prevention of cancer.
Oncology
Small, pea-shaped gland that is largely misunderstood. Produces melatonin and other hormones that regulate sleep.
Pineal gland
An anti-malarial drug that has been known to cause serious side-effects. Also used to give tonic water its bitter flavor.
Quinine
Stems of plants that grow horizontally and produce roots and leaves. Edible examples of these include ginger and turmeric.
Rhizome
The male reproductive part of a flower that produces pollen for pollination
Stamen
The insect order Blattodea consists of cockroaches and this destructive insect species.
Termites
Nitrogenous base found in RNA that binds to Adenine. In DNA, this base is replaced by Thymine.
Uracil
Muscular chamber that pumps blood out of the heart and into the circulatory system.
Ventricle
Biologist who discovered the double-helix shape of DNA in 1953 along with Francis Crick.
James Watson
Major tissue in vascular plants that transports water and minerals from the roots upwards.
Xylem
Critically endangered species of penguin that is native to New Zealand.
Yellow-Eyed Penguin
The scientific name for the cheekbone.
Zygomatic bone
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