Photosynthesis
Plants make their own food using energy that comes from the
SUN
Energy from glucose is released in the process of _______________.
respiration
The regular cycle of growth and division that cells undergo is called the
CELL CYCLE
A DNA molecule is shaped like a
spiral staircase
TRUE or FALSE
A heterotroph is an organism that cannot make its own food.
TRUE
What are the products of photosynthesis?
oxygen and sugar
TRUE or FALSE
Photosynthesis and Cellular Respiration form a cycle that keeps the levels of water and carbon dioxide fairly constant in the atmosphere.
FALSE - OXYGEN
A cell's nucleus divides to form two identical nuclei during the stage of the cell cycle known as_____________.
Mitosis
What is the structure that holds identical strands of chromosomes together?
C_N__O__RE
CENTROMERE
In which of these does alcoholic fermentation occur?
A- yeast
B- muscles
C - soda
What happens during photosynthesis?
The cell uses the energy in _______ to make _____.
The cell uses the energy in sunlight to make food.
During respiration, molecules of ____________ are first broken down in the cytoplasm.
GLUCOSE / SUGARS
What happens during cytokinesis in animal cells?
Two new daughter cells are formed
Each rung of the DNA ladder is made of
a pair of nitrogen bases
The energy releasing process that does not require oxygen is called ___________.
fermentation
Chloroplasts contain a pigment called _________ that captures the energy in light.
chlorophyll
TRUE or FALSE
The raw materials for respiration are the opposite of the products for photosynthesis.
FALSE - they are the same as
A cell makes a copy of its DNA during the stage of the cell cycle called ____________.
INTERPHASE
In a DNA molecule, what pairs with Guanine (G)?
C Cytosine
Small openings called ___________________ allow carbon dioxide to enter a leaf.
stomata
Animals do not make their own food from energy in sunlight. Explain why they still depend on the sun for energy.
They obtain energy from the sun indirectly through eating plants
The stage of cellular respiration that releases most of the energy in glucose occurs in the ______________
mitochondria
During cytokinesis in plant cells, a ____________ forms across the middle of the cell.
cell plate
What are chromatids?
identical strands of c__________
identical strands of chromosomes
Under which of the following conditions is lactic acid fermentation most likely to occur?
A- fast run
B- long walk
C- sleeping
Fast run