Biology General Knowledge #2

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Last updated: April 30, 2022

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Hint	Answer
The main blood system used in blood transfusion compatibility	ABO system
This hormone is tested for during a pregnancy test	Chorionic gonadotropin
The most common neurotransmitter in the nervous system of vertebrates	Acetylcholine
Layer of the mammalian eye containing rods and cones	Retina
Type of muscle found in the wall of the heart	Cardiac muscle
This instrument is a counting-chamber device used to count cell numbers	Haemocytometer
The main respiratory substrate in aerobic respiration	Glucose
This stage of respiration can continue without oxygen	Glycolysis
The gel-like matrix of a chloroplast	Stroma
This enzyme separates DNA strands	DNA helicase
The first eukaryotic organism whose genome was fully sequences	Yeast
Founder of genetics	Gregor Mendel
In spiders, the head and thorax is combined into this structure	Cephalothorax
Filamentous structures that anchor mosses to the ground	Rhizoids
What phylum is often referred to as 'vertebrates'	Chordata