Cells
What cell organelle contains DNA?
Which organelle is involved in photosynthesis?
Which organelle is involved in cellular respiration?
Photosynthesis: chloroplasts
Cellular respiration: mitochondria
Purple flowers are dominant to white flowers are recessive. What are the phenotypes of the following genotypes? PP_ Pp_ pp_
PP: purple
Pp: purple
pp: white
If a species does not adapt to their environment, what would most likely happen to them?
They would become extinct.
Heterotrophs consume food for energy.
What are the three differences between a plant and an animal cell?
Plants have one large vacuole. Animal cells have small vacuoles.
What are the reactants of photosynthesis?
What are the reactants of cellular respiration?
Photosynthesis: CO2and H2O
Cellular respiration: O2
What are the three stages of the cell cycle? What stage does DNA replicate?
interphase, mitosis, cytokinesis
DNA replicates during interphase.
What two processes lead to genetic variation?
mutations and sexual reproduction.
What are examples of biotic factors?
What are examples of abiotic factors?
(any living thing) plants, animals
(any non-living thing) rocks, water, sun
What are the differences between prokaryotes and eukaryotes?
Prokaryotes don't have a nucleus. Eukaryotes do have a nucleus.
What are the products of photosynthesis?
What are the products of cellular respiration?
Photosynthesis: O2
Cellular respiration: CO2 and H2O
What type of cells does mitosis produce?
What type of cells does meiosis produce?
Mitosis: body cells
Meiosis: reproductive cells
What provides evidence to the theory of evolution?
The fossil record
Describe the following symbiotic relationships:
mutualism
commensalism
parasitism
Mutualism: help/help
Commensalism: help/neutral
Parasitism: help/harm
Why is the cell membrane considered semi-permeable?
It sees what goes into and out of the cell.
What is the process where water molecules move through the cell membrane from a high concentration to a low concentration?
Osmosis
Are the offspring genetically varied or identical to the parents from asexual reproduction?
Are the offspring genetically varied or identical to the parents from sexual reproduction?
Asexual Reproduction: Identical
Sexual Reproduction: genetically varied
What term describes how the more fit organisms better survive their environment and reproduce new offspring?
Natural Selection
What is a factor that can decrease a popluation?
Categorize each cell as either prokaryotic/eukaryotic and animal/plant
Onion cell
Bacteria cell
Cheek cell
Onion cell: eukaryotic
Bacteria cell: prokaryotic
Cheek cell: eukaryotic
Breathing and eating are essential to what cellular process?
cellular respiration
If both parents are heterozygous, what is the chance that the offspring would be homozygous dominant?
25%
A trait the helps a species survive their environment is...
an adaptation.
What term describes when too much nitrogen causes plant overgrowth in water, leading to harmful effects of organisms?
Eutrophication