Characteristics of Life
Which of the following characteristics of living things best explains why your legs and arms get longer and stronger as you get older?
A. Living things respond to their environment.
B. Living things maintain internal balance.
C. Living things are made up of units called cells.
D. Living things grow and develop
D. Living things grow and develop
Tiny structures that carry out cell functions are collectively called:
A. animalcules
B. organelles
C. tissues
D. ribosomes
B. organelles
5. Unlike eukaryotes, prokaryotes do not have:
A. DNA
B. cytoplasm
C. cell walls
D. nucleus
D. nucleus
Genetic material is contained within the ___ of the cell.
A. ribosomes
B. cytoplasm
C. nucleus
D. nucleolus
C. nucleus
Which characteristic of life is essential for the survival of a species but not essential for the survival of an individual?
A. Homeostasis
B. Reproduction
C. Adaptation
D. Respond to Stimulus
B. Reproduction
Which statements below are associated with the cell theory? (a) Cells are the basic unit of structure.(b) Cells are the basic unit of function.(c)Cells come from preexisting cells.
A. B and C only
B. A and C only
C. A, B, and C
D. A and B only
C. A, B, and C
Bacteria is an example of a ______________
A. Prokaryote
B. Eukaryote
Prokaryote
The jellylike interior of the cell is called the:
A. vacuole
B. cytoplasm
C. cytoskeleton
D. nucleus
B. cytoplasm
Organisms undergo constant chemical changes as they
maintain an internal balance known as
A) interdependence
B) homeostasis
C) synthesis
D) recombination
B) homeostasis
Which of the following is NOT one of the main components of the cell theory?
A. cells must contain DNA
B. all living things are made of cells
C. cells can only come from other cells
D. cells are the basic unit of life
A. cells must contain DNA
19. Where is the DNA found in a prokaryotic cell?
A. floating around in the cytoplasm
B. in the nucleus
C. in a jlomana
D. in a simana
A. floating around in the cytoplasm
Which organelle is known as the powerhouse of the cell and produces energy in the form of ATP?
A. Cell Membrane
B. Cell Wall
C. Mitochondira
D. Lysosome
C. Mitochondira
10. Which of the following are characteristics of living things?
A. food, water, stable internal conditions
B. reproduce, respond to stimulus, DNA, cells, metabolism, grow and develop
C. grow and develop, water, stable internal conditions, DNA
D. homeostasis, food, living space
B. reproduce, respond to stimulus, DNA, cells, metabolism, grow and develop
This structure serves as the outer body of a eukaryotic cell
A. Flagellum
B. Cytoskeleton
C. Cell Membrane
D. Capsule
C. Cell Membrane
List the following structures in order from least complex to most complex:
organs
organism
cell
organelles
tissue
organ system
organelle -> cell -> tissue -> organ -> organ system -> organism
Describe the function of chloroplasts and explain why it is only found in plant cells.
The organelle chloroplasts are used for the process of photosynthesis and creating glucose for the plant cell. Animals get their food (energy) from the food they eat and do not perform photosynthesis in the cells.
Which charactersitic of life is depicted in the sceanrio?
"When that car pulled in the driveway, my cat ran to hide under the porch."
A. Adaptation
B. Response to Stimulus
C. Reproduction
D. Growth
B. Response to Stimulus
Which of the following is a function of the nucleus?
A. stores DNA
B. stores sugars
C. builds proteins
D. packages proteins
A. stores DNA
24. Both prokaryotes and eukaryotes have a nucleus.
True
False
False
Which organelle is correctly paired with its function?
A. vacuole--packages proteins
B. nucleus--performs photosynthesis
C. ribosome--synthesizes proteins
D. mitochondria--transport
C. ribosome--synthesizes proteins