Injected weakened particles to help defend against infection. What is this describing?
Vaccine
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20
What kind of vegetative propagation is this?
simple layering
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15
An adult cat's skin cells have 38 chromosomes. The diploid number of chromosomes is:
A) 38
B) 76
C) 19
D) the same number of chromosomes in a cat's sperm cells
A
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15
The number of subatomic particles in an atom of Br is: A) 80e, 80p, 35n B) 35e, 80p, 35n C) 35e, 35p, 35n D) 35e, 35p, 45n
D
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15
What type of asexual reproduction is this?
budding
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trap
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gift
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15
Which of the following terms best represents a disease-causing organism? A.pathogen B. antigen C. antibody D. plaque
A. Pathogen
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15
Which type of reproduction, sexual or asexual, involves 2 parents?
Sexual
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15
In which of the following cells does mitosis not take place?A) sperm B) skin C) liver D) bone
A
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15
What is required for photosynthesis? (3)
Sun, water, carbon dioxide
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gold
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fairy
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monster
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magnet
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15
Particles move the fastest and have a lot of space between them - solid, liquid, gas?
gas
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15
Blow drying wet hair is an example of chemical or physical change?