Biology STAAR Review Packet UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Common ancestry - CORRECT ANSWER - Theory that organisms descended from the
same ancestor
Pollination - CORRECT ANSWER - It's the transfer of pollen from the anther to the
stigma. It is prerequisite for fertilization
What elements are present Carbohydrates - CORRECT ANSWER - Carbon, hydrogen,
and oxygen
What elements are present in Lipids? - CORRECT ANSWER - Carbon, hydrogen,
oxygen, and nitrogen
What elements are present in proteins? - CORRECT ANSWER - carbon, hydrogen and
oxygen
what elements are present nucleic acids? - CORRECT ANSWER - carbon, hydrogen,
oxygen, nitrogen and phosphorus.
what are the polymers of carbohydrates and what are some examples? - CORRECT
ANSWER - Monosaccharides; pasta & bread
what is the polymer of lipids and what are some examples? - CORRECT ANSWER - Fatty
acids and glycerol heads; oil and steriods
what is the polymer for proteins and what are some examples? - CORRECT ANSWER -
amino acids; meat and fish
, what is the polymer of nucleic acids and what are some examples? - CORRECT
ANSWER - nucleotides; DNA & RNA
Prokaryote Characteristics - CORRECT ANSWER - unicellular, no nucleus, no nuclear
membrane, lacks mitochondria, smaller ribosomes, and bacteria
Eukaryote Characteristics - CORRECT ANSWER - has nucleus, multicellular, fungi and
plant and animals, has more organelles, has a nuclear membrane, bigger ribosomes.
Both - CORRECT ANSWER - Has DNA & genetic material
1. Interphase - CORRECT ANSWER - the cell grows and DNA. This has 3 stages: G1, S
phase, & G2 phase. This is not a part of mitosis.
2. Prophase - CORRECT ANSWER - The centrioles separate. The chromatin condenses
into chromosomes
3. Metaphase - CORRECT ANSWER - The chromosomes lined up in the middle.
4. Anaphase - CORRECT ANSWER - The sister chromatids separate into individual
chromosomes and are moved apart.
5. Telophase - CORRECT ANSWER - The chromosomes gather at opposite end and 2
new nuclear membranes start to form.
6. Cytokinesis - CORRECT ANSWER - 2 new identical cells are formed
Mutation - CORRECT ANSWER - A change in the DNA sequence
ACTUAL Exam Questions and CORRECT
Answers
Common ancestry - CORRECT ANSWER - Theory that organisms descended from the
same ancestor
Pollination - CORRECT ANSWER - It's the transfer of pollen from the anther to the
stigma. It is prerequisite for fertilization
What elements are present Carbohydrates - CORRECT ANSWER - Carbon, hydrogen,
and oxygen
What elements are present in Lipids? - CORRECT ANSWER - Carbon, hydrogen,
oxygen, and nitrogen
What elements are present in proteins? - CORRECT ANSWER - carbon, hydrogen and
oxygen
what elements are present nucleic acids? - CORRECT ANSWER - carbon, hydrogen,
oxygen, nitrogen and phosphorus.
what are the polymers of carbohydrates and what are some examples? - CORRECT
ANSWER - Monosaccharides; pasta & bread
what is the polymer of lipids and what are some examples? - CORRECT ANSWER - Fatty
acids and glycerol heads; oil and steriods
what is the polymer for proteins and what are some examples? - CORRECT ANSWER -
amino acids; meat and fish
, what is the polymer of nucleic acids and what are some examples? - CORRECT
ANSWER - nucleotides; DNA & RNA
Prokaryote Characteristics - CORRECT ANSWER - unicellular, no nucleus, no nuclear
membrane, lacks mitochondria, smaller ribosomes, and bacteria
Eukaryote Characteristics - CORRECT ANSWER - has nucleus, multicellular, fungi and
plant and animals, has more organelles, has a nuclear membrane, bigger ribosomes.
Both - CORRECT ANSWER - Has DNA & genetic material
1. Interphase - CORRECT ANSWER - the cell grows and DNA. This has 3 stages: G1, S
phase, & G2 phase. This is not a part of mitosis.
2. Prophase - CORRECT ANSWER - The centrioles separate. The chromatin condenses
into chromosomes
3. Metaphase - CORRECT ANSWER - The chromosomes lined up in the middle.
4. Anaphase - CORRECT ANSWER - The sister chromatids separate into individual
chromosomes and are moved apart.
5. Telophase - CORRECT ANSWER - The chromosomes gather at opposite end and 2
new nuclear membranes start to form.
6. Cytokinesis - CORRECT ANSWER - 2 new identical cells are formed
Mutation - CORRECT ANSWER - A change in the DNA sequence
