Mitosis | Meiosis | Homeostasis | Tissues, organs and system |
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What is DNA/ deoxyribonucleic acid?
Molecules in a cell that contain genetic material
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What is a tetrad?
A pair of homologous chromosomes
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What is dehydration?
A state of not having enough water inside the body
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What is a nerve tissue?
Tissue that is made up or nerve cells called neurons.
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What is metaphase?
Stage where copied chromosomes line up along the centre of the cell
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What is genetic recombination?
Occurs at the beginning of meiosis where the chromosomes exchange gene segments.
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What is hypothermia?
Serious medical condition in which body temperature is abnormally low.
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What is the skeletal system?
System that provides support for the body, to protect dedicate internal organs, and to provide attachment sites to for the organs.
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What is a nitrogenous base?
A component of DNA that forms rungs in the DNA structure
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What is fertilization?
Male and female gametes combine to restore the doubled cell chromosome number to form a zygote, then an embryo and then an offspring.
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What is a negative feedback?
Mechanisms that resist and regulate a change in the system.
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What is the lymphatic/ immune system?
Systems that destroy and remove invading microbes and viruses from the body. Also removed fat and excess fluids from the blood.
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What is interphase?
The period in the cell cycle during which the cell grows, matures and duplicates genetic information
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What is anaphase II?
Phase where centromeres divide and the single stranded chromosomes move away from each other toward opposite poles.
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What is a system in homeostasis?
A sensor, an effector, and an integrator (control center) (brain)
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What is an artery?
Blood vessel that has 3 types of tissues (epithelial, connective and muscle) which together make blood circulation possible.
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What is an enzyme?
A protein that facilities a specific chemical reaction in the body
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What is the end result of meiosis?
Four gametes each containing half thengentic material of the parent
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What is the hypothalamus?
Something located in the brain and links the nervous system to the endocrine system via the pituitary gland.
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What is the nervous system?
System that relays electrical signs through the body, controls all other systems and makes thought and memory possible.
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