Cell Structure & Function
Eukaryotic organisms have membrane-bound organelles. Which organelle is the location of the replicated chromosomes during the mitosis cell cycle?
The nucleus.
Which term best describes the type of cell division in which parent cells produce daughter cells with the same number of chromosomes as the parent cells?
What is Mitosis
A student claims that influenza virus replicates in the air. This is false because virus must have a ______ to replicate.
What is Host
A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped?
A. osmosis
B. photosynthesis
C. protein synthesis
What is C-Protein Synthesis
The crab Lybia tessellata carries a pair of sea anemones on its claws. The crab uses the sea anemone’s stinging tentacles as protection and the sea anemone obtains small food particles released by the crab as it feeds. Which type of symbiotic relationship does this best illustrate?
A. commensalism
B. mutualism
C. parasitism
D. predation
What is B-mutualism
Placing wilted lettuce in cold water will make it crisp again. Which statement best describes what happens to restore the lettuce to its original condition?
A. Water left the lettuce cells by diffusion.
B. Water entered the cells of the lettuce by osmosis.
C. Osmosis caused salts to enter the lettuce cells.
D. Salts in the leaf caused water to leave the cells.
What is B-Water entered the cells of the lettuce by osmosis.
This process occurs in the nucleus and produces a molecule of mRNA
What is Transcription
A virus cycle of reproduction using a host cell to manufacture more viruses in which the viruses then burst out of the cell is
What is lytic cycle
In which way are photosynthesis and cellular respiration different?
A. Cellular respiration stores ATP, while photosynthesis releases ATP.
B. Cellular respiration produces oxygen, while photosynthesis uses oxygen.
C. Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.
What is C. Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.
In an ecosystem, a flea gathers nutrients from a deer. The deer is at risk of disease transmission from the flea as well. This type of ecological relationship is best described as
What is parasitism
Which statement accurately compares eukaryotic and prokaryotic cells?
A. Eukaryotic cells are more complex than prokaryotic cells.
B. Eukaryotic cells replicate faster than prokaryotic cells.
C. Only prokaryotic cells lack outer membranes and cell walls.
What is A. Eukaryotic cells are more complex than prokaryotic cells.
Hitchhiker’s thumb (H) is dominant to no hitchhiker’s thumb (h). A woman who does not have hitchhiker’s thumb marries a man who is heterozygous for hitchhiker’s thumb. What is the probable genotype and phenotypic ratio of their children with hitchhiker's thumb? (punnett square)
What is 50% Hh (Hitchhiker's thumb)
Humans have thousands of genes that combine in different ways to help create unique individuals. Where is the genetic code located?
A. Ribose in RNA
B. Phosphates in DNA
C. Nucleotides in DNA
D. number of offspring produced
Nucleotides in DNA
In humans, glucose is kept in balance in the bloodstream by insulin. Which concept does this best illustrate?
What is Homeostasis
Orchids are flowering plants that grow on other plants. They get water and nutrients from rainwater runoff. No water or nutrients are taken from the host plant. What type of ecological relationship is this?
What is commensalism.
A sugar, a phosphate group, and a nitrogen base form a nucleotide. A nucelotide is the building block (monomer) of which organic compound?
What is Nucleic Acid
Straight hair is recessive to curly hair. Curly hair is represented with a H in a cross. If the offspring has straight hair, what are the genotypic alleles?
What is - hh
What is - Prophase, Metaphase, Anaphase, Telophase
-Scientist have reported that most cancers are caused by random DNA-copy errors. During which phase of the cell cycle do DNA-copy errors occur?
What is S phase
Grass - Grasshopper- Frog- Snake - Hawk
Which will most likely happen if the secondary level consumer were removed from a food web?
A. The amount of primary consumers would decrease.
B. The amount of snakes would increase.
C. The amount of grasshoppers would increase.
What is C. The amount of grasshoppers would increase.
Giraffes have 30 chromosomes in their somatic cells. How many chromosomes will each daughter cell have after the final step of meiosis?
A diploid cell contains 2 pairs of homologous chromosomes Ss and Tt. Due to independent assortment what is the possible genetic make-up of the gametes produced by this organism?
A. SsTt
B. Ss, Tt, ST, Tt
C. S, s, T, t
D. ST, St, sT, st
D. ST, St, sT, st
What is the correct base pairing of the nitrogenous bases?
What is Adenine with Thymine and Cytosine with Guanine
The movement of sodium and potassium ions requires energy (ATP) because the ions need to be pumped against their concentration gradient. What is this type of transport?
What is Active Transport
Almost every organism begins the process of protein synthesis with a triplet nucleotide . This codon is then translated into__
What is an amino acid