Evolution+ Genetics
Chemical exposure can change the phenotype of children during mitosis. What molecule will the substance affect?
Options: Lipids, ATP, Carbs, DNA
DNA
Where is DNA in a cell with no organelles?
Free-floating
What requires more ATP in a cell?
Options: Osmosis, Diffusion, Facilitated diffusion, Active Transport
Active Transport
What is bad about invasive species?
Out compete native organisms, grow out of control, kill native organisms
Which process will increase genetic variation?
Options: Sexual reproduction, Mitosis, Asexual Reproduction, Fermentation
Sexual reproduction
When do gene mutations occur?
Options: Mitosis & meiosis, Mitosis only, meiosis only, neither mitosis nor meiosis
Mitosis & Meiosis
What does cytokinesis do to the cell during the end of PMAT in mitosis?
Split the cell in 2
What function do both lipids and carbohydrates share?
energy storage
If you want to cut down a large area of trees, how can you best sustain trees as a natural resource?
Plant new trees
What process regulates water intake, glucose levels, sweat release, amongst other balancing mechanisms?
Options: Respiration, homeostasis, fermentation, diffusion
Homeostasis
Helicase will unzip and unwind DNA by breaking hydrogen bonds. Where are the hydrogen bonds in DNA?
Between the 2 strands.
X-shaped structures of DNA in muscle cells can be seen during what cell process?
Options: photosynthesis, mitosis, protein synthesis, meiosis
Mitosis
Order the flow of information: DNA, Proteins, Traits, RNA, Amino Acids
DNA -> RNA -> AA -> Proteins -> Traits
Predators eliminate weak prey and the strong prey will survive, reproduce, and increase these traits. What process/mechanism will pick and choose who is weak/strong in the environment?
Natural selection
What is a benefit of transgenic organisms?
increase crop yield, increase resistance to pests, make vitamins, treat diseases, etc.
Fill in the blank: If you take an entire prescription of antibiotics all the bacteria will die, but if you don't harmful bacteria will become ________ and become stronger.
resistant
If there is more water outside the cell than inside the cell, what will happen to the cell?
Swell + burst
Gases produce bubbles underwater. If a plant underwater produces bubbles, what gas is produced? What process produces this gas?
Oxygen via photosynthesis
Plants like flowers, ferns, and trees have vascular tissue, but mosses do not. What structures do mosses not have that other plants do have?
roots, stems, and leaves
If trees were removed from an environment what gas would increase and what gas would decrease?
Oxygen decrease
Carbon dioxide increase
In humans, having attached earlobes (E) is dominant to having attached earlobes (e). A man and woman who are both heterozygous for unattached earlobes have a child. What is the probability that the child will have attached earlobes?
25%
What will be produced when a gene is expressed?
Hint: What is a gene? What can that make?
Proteins
Molecules like DNA store info in coded messages. What major biological molecule describe these molecules?
Options: Lipids, Nucleic acids, Enzymes, Carbohydrates
Nucleic Acids
What is the function of stomata in plants?
Hint: found in leaves + involved in respiration & photosynthesis
Gas exchange
What occurs during cell differentiation
Options: two cells divide, unspecialized cells become specialized, haploid gametes are made, chromosomes fail to separate during meiosis
unspecialized cells become specialized