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Photosynthesis
Respiration
Cell Division/DNA
Mitosis
100
What is the difference between an autotroph and a heterotroph?
Autotrophs get their energy directly from the sun, whereas heterotrophs get their energy from other organisms.
100
Which type of organisms use respiration to survive?
heterotrophs (humans and animals)
100
What are the 3 stages of Cell Division?
Interphase, Mitosis, Cytokinesis
100
In which phase of mitosis do the chromosomes line up on the equator of the cell?
metaphase
200
In which organelle does photosynthesis take place?
chloroplast
200
In which organelles do heterotrophs make MOST of their energy?
mitochondria
200
Besides growing, what happens during INTERPHASE?
DNA is copies ("replication")
200
In which phase do the chromatin thicken to form chromosomes?
prophase
300
What is the name of the pigment that absorbs light needed for photosynthesis?
chlorophyll
300
What two things are needed for respiration to take place?
oxygen and sugar
300
Fill in the blank: During _____________, one copy of the DNA is sent to two daughter cells. a) Interphase b) Mitosis c) cytokinesis
Mitosis
300
In which phase of mitosis is a new nuclear envelop created to separate the DNA from the cytoplasm?
telophase
400
What are the 3 things needed for photosynthesis to happen?
Carbon dioxide, water, and sunlight
400
What three things are made during respiration?
energy, water, and carbon dioxide
400
What does a DNA molecule look like?
twisted ladder, spiral staircase, or double helix
400
In which phase of mitosis do the chromosomes split and move to opposite sides of the cell?
anaphase
500
What two things does photosynthesis make? (What are the products?)
sugar (energy) and oxygen
500
What is the name of the process that provides energy without using oxygen?
Fermentation
500
Which nitrogen bases always pair up with each other?
adenine with thymine guanine with cytosine
500
During prophase, what are the four little legs of the chromosomes called?
chromatids