Chapter 1
What is a well supported concept or generalization that is broad and is based on a LOT of evidence?
Scientific Theory
Which part of the endomembrane system helps make proteins that can be exported outside the cell?
Rough Endoplasmic Reticulum
What are some major differences between eukaryotes and prokaryotes?
- size
- eukaryotes have membrane bound organelles
- eukaryotes have DNA enclosed in nucleus
Water and ions can travel directly from the cytoplasm of one plant cell to an adjacent cell through ______ ?
Plasmodesmata
Which organelle receives molecules, modifies them, and routes them to the correct location in the cell?
Golgi Apparatus
What term is used to refer to all of the organisms that live in a particular area?
Community
Which organelle is paired with the WRONG function?
a. Nucleus - synthesis of DNA
b. Ribosomes - protein synthesis
c. Golgi Apparatus - detoxification
d. Cytoskeleton - transport
e. Cellular Junction - intercellular communication
c. Golgi Apparatus - detoxification
Which of the following cell parts is CORRECTLY paired with its function?
a. Vacuole – food storage
b. Lysosome – movement
c. Nucleus – cellular respiration
d. Mitochondrion – photosynthesis
e. Ribosome – production of lipids
a. Vacuole – food storage
Cell size is limited by _____ ?
the surface area to volume ratio
Which organelle contains enzymes that helps detoxify hydrogen peroxide?
Peroxisome
Which of these is a key feature that defines living things?
a. Must utilize energy from sunlight
b. Must be able to reproduce sexually
c. Must be dependent on oxygen
d. Must be able to adapt through evolution
D. Must be able to adapt through evolution
What type of cell junction allows cytoplasmic exchange of materials between animal cells?
Gap Junctions
What type of cytoskeleton protein is the thickest of the three main types and has roles in motility, chromosome separation, and vesicle transport?
Microtubule
Which of these is found in BOTH eukaryotic and prokaryotic cells?
a. Chloroplast
b. Endoplasmic Reticulum
c. Golgi Apparatus
d. Ribosome
d. Ribosome
Which of the following is/are correct regarding a scientific hypothesis?
i. It can be tested by performing an experiment
ii. It can be proven false
iii. It is a broad generalization
iv. It is based on a lot of data from many experiments
I and II
What is the hierarchy of biological organization from least to most complex?
Molecule, Organelle, Cell, Tissue, Organ, Organism, Population, Community, Ecosystem
Which of these structures is found in eukaryotic but NOT prokaryotic cells?
Mitochondria
Which of these is an example of deductive reasoning?
a. A seahorse has adapted by camouflaging its skin to blend into its environment
b. An amoeba can move using pseudopodia
c. If we observe many individual snakes laying eggs, then we can conclude that snakes in general can lay eggs.
d. If all birds fly, then any one species of finch that we observe should be able to fly
e. An elephant is a warm-blooded animal
d. If all birds fly, then any one species of finch that we observe should be able to fly
*general conclusion is true, then we would expect specific things to be correct*
What type of microscope uses two sets of light rays to distinguish live, unstained cells?
Phase-Contrast
In an experiment, the factor being changed or manipulated by scientists is called the ____ ?
Independent Variable
In an experiment, a treatment with a known result we compare to the treatment being tested is a(n)...?
Control Group
Both cilia and flagella have a 9 + 2 arrangement of microtubules
- 9 fused pairs of microtubules on outside of cylinder and 2 unfused microtubules in the center
*9+2 rule*
If a chemical were to be phagocytized (taken in) by a cell, but the cell was unable to digest it, where would you expect it to accumulate?
a. Ribosomes
b. Lysosomes
c. Nucleus
d. Transport vesicles
e. Mitochondria
b. Lysosomes
What cell part do ribosomes synthesize?
Proteins
Individuals better adapted to their environment are more likely to survive and reproduce. Darwin called this ____ ?
Natural Selection