Food Chain
Which of the following is an example of a food chain?
A. soil> Carbon dioxide > sunlight >plants
B. water>hydrogen>oxygen>decomposition
C. algae>minnow>bass>racoon
D. population>community>ecosystem>biome
C. algae>minnow>bass>racoon
What is the term for:
The motion of cytoplasm in a cell that results in coordinated movement of the cell's contents.
Answer:
Cytoplasmic streaming
Which of the following particles are found in the nucleus of an atom?
A.electrons and protons
B.protons and neutrons
C.electrons and neutrons
D.only protons
Answer:
B.protons and neutrons are found in the nucleus of an atom
This area has permanently frozen soil that does not allow for the growth of large plants.
Answer:
TUNDRA
A larger membrane-bounded organelle used for storage of food, water, or waster.
Answer:
What is a VACUOLE
Which of the following conditions would likely result in the most competition for food?
A. a lion and a zebra in the Savanna
B. an elephant and an ant colony in the Savanna
C. a grasshopper and a plant in your backyard
D. a deer and a rabbit in a meadow
D. a deer and a rabbit in a meadow
Which is NOT an example of passive transport?
A.Diffusion
B.Osmosis
C.Endocytosis
D.Facilitated diffusion
Answer:
C. Endocytosis is NOT an example of passive transport.
How many total atoms are in one molecule of:
C22H44O?
Answer:
67 atoms
This area is dominated by conifer trees and short summers.
Answer:
TIAGAS
A network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement.
Answer:
CYTOSKELTON
In the process of ecological succession, the first organisms are called ________ and the final community that exists in the ecosystem is called ______?
A. producers, primary consumers
B. pioneer organisms, climax community
C. climax organisms, pioneer community
D. none of these
B. pioneer organisms, climax community
Which organelle contains its own DNA?
A.vacuole
B.ribosome
C.mitochondria
D.plasma membrane
Answer:
Mitochondria contain their own DNA
The 20 amino acids vary only in their
A. carboxyl groups
B. side groups
C. amino groups
D. lipid groups
Answer:
B. side groups
(All amino acids have a carboxyl group on one end and an amino group on the other.)
Includes oceans, reefs, and estuaries.
Answer:
MARINE
What is the difference between:
chloroplasts, chromoplasts, and leucoplasts
ANSWER:
All three are plastids.
Chromoplasts(green) and chloroplasts(red, orange, or yellow) contain pigments and both function in photosynthesis, Leucoplasts are non-prmented and store carbohydrates.
A limiting factor that depends on population size is called a
A. density-dependent limiting factor
B. density-independent limiting factor
C. predatory-prey relationship
D. parasitic relationship
A. density-dependent limiting factor
Digestive organelle that may also break up dead cell material.
Answer: What are Lysosomes.
What part of the nucleotide is responsible for the way DNA stores its information?
Answer:
the nitrogenous (or nucleotide) base is what determines the "morse code" of DNA.
This biome is usually located near the equator. Characteristics include high rainfall amounts, dense vegetation, and poor soil quality.
Answer:
tropical rainforest
Define:
Prokaryotic Cell
A cell that has no nucleus or other distinct, membrane-bounded organelles.
Which organisms are responsible for removing carbon dioxide(in the form of carbon dioxide) from the atmosphere? AND What is this process of removing carbon from the atmosphere called?
Answer:
Plants, algae, and photosynthetic bacteria are responsible for removing carbon dioxide from the atmosphere through photosynthesis.
What are the three main ideas of the cell theory?
All living things are composed of cells.
Cells are the basic unit of structure and function.
All cells come from pre-existing cells.
What determines the properties of a protein?
Answer:
The properties of a protein are determined by:
type, number, and order of amino acids linked together
Define: SAVANNA
Answer:
A type of grassland biome that experiences rainy seasons and long periods of drought.
Define:
Endoplasmic reticulum
An organelle composed of an extensive network of folded membranes that performs several tasks within a cell.