Cellular Biology
What is cell?
A basic unit life.
What is a Punnett square
A grid to predict offspring traits
What is bacterium?
A single- called organism without a nucleus (prokaryote)
What unique muscle do Mammals use for breathing?
The diaphragm.
What process do plants use to turn sunlight into food?
Photosynthesis.
What is the shape of DNA?
Double helix.
What is homozygous?
Two identical alleles (BB or bb)
What is virus?
A tiny infectious agent that needs a living host cell to reproduce.
What glands do female Mammals use to feed their young?
Mammary glands (producing milk).
What green pigment absorb sunlight in plants?
Chlorophyll.
What controls what enters and leaves the cell?
Cell membrane.
What is heterozygous?
Two different alleles (Bb)
What is the main difference between prokayotes and eukaryotic?
Prokaryotic lack a nucleus; eukaryotes have a true nucleus.
How many chambers does a mammalian heart have?
4 chambers
What tiny pores on leaves do plants use for gas exchange?
Stomata.
Which organelle contains the dna and controls cell activities?
The nucleus
What is phenotype?
Physical appearance
What do antibiotics treat?
Bacteria infections
Are Mammals warm - blooded or cold blooded?
Warn - blooded ( endothermic).
What is the release of water vapor from plant leave called?
Tranapiration
Difference between prokaryotic and eukaryotic?
No true nucleus -Prokaryotic Have a true nucleus- eukaryotic.
What is a mutation
A permanent change in the DNA
What is pasteurization?
Heating a liquid to kill harmful microbes and make it safe
What body covering is charactersistic of most Mammals?
Hair or fur.
Why are forests often called " carbon sinks"?
Because they absorb and store large amounts of carbon dioxide.