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Homeostasis
Plant Hormones
Nervous System Category
Random Vocab
Topic 1
100
What is the word that means maintaining homeostasis of the amount of water in the body?
Osmoregulation
100
What is the term for movement toward light?
phototropism
100
What are the parts of the central nervous system?
Brain and spinal cord
100
What is the word that means a seed sprouting
Germination
100
What is the common name for poikilotherms?
Cold blooded
200
What is the part of the brain that controls temperature regulation?
Hypothalmus
200
What are the hormones called that cause the shoot to elongate?
Auxins
200
What are the parts of the nerve cell that receive a stimulus?
Dendrites
200
Other than auxins. What is another plant hormone?
Gibberellins
200
Seed shape can be described as smooth (S) or wrinkled (s). Which of these is recessive?
wrinkled (s)
300
Name 2 endocrine glands that make hormones.
pituitary, hypothalamus, thyroid, pancreas, ovary/testes, adrenal.
300
If there is light on the right side of the plant, what side of the plant will the auxins move to?
The left side
300
What is the purpose of the myelin sheath?
insulates the axon so the electrical signal can travel through the nerve.
300
What is the term for controlling the amount of water in the body
Osmoregulation
300
What are the three things scientists use to classify vertebrates into groups
Oxygen absorption, Reproduction method, Thermoregulation
400
Draw the negative feedback loop for what happens when you have too much sugar in your blood.
High blood sugar detected by pancreas --> insulin secreted into blood --> body cells take in glucose --> liver takes in glucose and store it as glycogen --> Blood glucose levels decline.
400
What hormones are used when making a cutting of a leaf to clone a plant?
Rooting powder which is made of auxins
400
What are the chemicals that transfer the electrical signal through the synapse?
Neurotransmitters
400
What is the term for veins getting larger in diameter?
Vasodilation
400
What genetic disorder causes thick, sticky mucus to build up on the lungs?
Cystic Fibrosis
500
What are two differences between type 1 and type 2 diabetes?
Type 1 - caused by lack of insulin, can be treated with insulin injections, known as child diabetes Type 2 - caused by diet and exercise, body becomes un-reactive to insulin, known as adult onset diabetes.
500
What are the four uses of plant hormones?
Selective weedkillers, rooting powder, seedless fruit, fruit ripening.
500
Describe the steps in a reflex arc.
Stimulus --> Receptor Cell --> sensory neurone --> relay neurone in CNS --> synapse --> motor neurone --> effector --> response
500
What hormone converts glycogen into glucose
Glucagon
500
What is the probability of having a child with sickle cell disease if the parents are Ss and SS?
None - 0 percent