biology 1
What part of DNA holds the genetic information?
Nitrogenous base
Cell that does not contain a nucleus or any other membrane-bound organelles. EX: Bacteria
Prokaryotic Cell
A cell containing a nucleus and other membrane-bound organelles.
Eukaryotic Cell
This organic molecule is the main component of cell membranes
Lipids
Which macromolecule is typically in the shape of a pentagon or hexagon?
Carbohydrate
Energy currency of cells
What is Adenosine Triphosphate (ATP)
Which biomolecule carries genetic information?
Nucleic Acid
What happens in S-phase of the cell cycle?
DNA Replication
An animal cell placed in a hypertonic (salty) solution will...
Shrink
Which molecule provided by plants accounts for the energy in a herbivore’s diet?
Glucose
Which organisms have the most available energy in a food pyramid?
Producers
The legs of crocodiles and mice have similar bone structures and develop in a similar way. What type of structures are the leg bones?
Homologous structures
What is the main function of ribosomes?
Builds proteins
What is the difference between DNA and RNA in terms of bases?
RNA contains uracil in place of thymine
Original: ATC CAT
Mutation: ATG CAT
What mutation occurred?
Substitution
What do viruses have in common with living cells?
Genetic Information
What does a virus need in order to reproduce?
A host cell
Describe the relationship between photosynthesis and cellular respiration
They are opposites
What is the purpose of cellular respiration?
To create ATP energy from glucose
What type of organic molecules are enzymes?
Proteins
Other than ATP, what is another energy molecule used in photosynthesis and cellular respiration?
NADPH
What are pioneer organisms?
first organisms to live in an area (ex: lichens)
In order or a recessive trait to be seen, the following must be true
two recessive alleles must be present
Most cellular respiration takes place in the
Mitochondria
A strand of DNA has these bases: AGC CAT GTA.
What is the complementary DNA strand?
TCG GTA CAT