Cellular Biology
What is an example of an unusual property of water?
Water expands as it freezes
Water regulates temperature
Water dissolves many substances
Water is cohesive
How many chromosomes do humans have?
What is the purpose of a vaccine?
To help the immune system recognize and respond to a specific pathogen.
What is the job of arteries?
To carry blood away from the heart and to the rest of the body
What tropism is responsible for plants growth response to touch?
Thigmotropism
What does Hydrophylic mean?
Substance dissolves in water, a substance that is attracted to water.
What is a punnet square used for?
to predict the probability of offspring inheriting specific genotypes and phenotypes from each parent organism
Why do we need a new vaccine every year?
We need a new vaccine because the virus mutates and rapidly changes every year.
What is peristalsis?
The muscles contracting that helps moves food through the digestive tract.
What are the purposes of roots?
To absorb water and important nutrients from the soil, and to anchor the plant into the ground.
What organelle is used for water storage?
Vacuole
What biotechnology is used to alter specific sections of DNA?
CRISPR Cas9
What is a vector?
a vector is an organism that is a carrier and transmits and infectious pathogen from an infected carrier to a new host.
Where does gas exchange between air and blood happen?
Alveoli
What is a key difference between Angiosperm and Gymnosperm in terms of their seeds?
Angiosperms seeds are enclosed in fruit whereas Gymnosperm have naked seed found inside the cone.
What is the equation for cellular respiration?
Oxygen + Glucose = Water + Carbon Dioxide+Energy
What is a PCR?
a biotechnology used to amplify DNA.
What can be found in a eukaryotic cell but not in a prokaryotic one?
A nucleus
What type of cell in the human body is responsible for defending against infections
White blood cell
What are 2 Differences between Plant and Animal cells?
Plants have a cell wall and animals do not.
Plants have chloroplast and animals do not.
What is a Zygote?
a single cell formed the egg and the sperm merge and fertilization occurs
What are the stages of an infection?
1. Find a place to enter the body
2. Attach to the cell
3. Survive the boys defence mechanisms
4. Cause disease by damaging tissues
5. Pathogen is released to infect another body
What's the purpose of Valves
To stop blood from flowing backwards.
What are some conditions we need for agriculture?
Rich nutrient filled soil
Flat land
Good climate (long growing season)