Unit 3: Cell Processes Question Preview (ID: 43729)
Cell Processes.
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A function of mitosis is to _____
a) reduce the number of chromosomes
b) reduce the number of body cells
c) produce body cells
d) produce egg and sperm
In sexual reproduction, the union of an egg and sperm is called _____
a) mitosis
b) meiosis
c) metamorphosis
d) fertilization
The process by which all living things ensures their species continues to exist as time passes is called _____
a) reproduction
b) germination
c) budding
d) respiration
What is the primary difference beween diffusion and osmosis?
a) Diffusion does not require energy
b) Diffusion is the movement of water from high to low concentration, while osmosis is the movement of any substance high to low
c) Diffusion is the movement of any substance from high to low concentration, while osmosis is water from high to low
d) Diffusion requires energy input but osmosis does not
What is one main difference between respiration and photosynthesis
a) photosynthesis makes energy and respiration destroys energy
b) photosynthesis produces energy and respiration releases energy
c) photosynthesis uses organic chemicals to make energy and respiration does not
d) photosynthesis takes place in plant cells only, and respiration takes place in animal cells only
Which of these processes of organisms needs carbon dioxide from the atmosphere?
a) dentrification
b) cellular respiration
c) digestion
d) photosynthesis
Which of the following life processes produces carbon dioxide as a waste product that is eventually returned to the atmosphere?
a) dentrification
b) nitrogen fixation
c) cellular respiration
d) photosynthesis
Two types of passive transport include _____
a) diffusion and osmosis
b) excytosis and endocytosis
c) diffusion and exocytosis
d) osmosis and endocytosis
Amoebas obtain food by wrapping the cell membrane around the food particles, creating a vesicle. The food is then brought into the cell. This process is known as_____
a) osmosis
b) excytosis
c) photosynthesis
d) endocytosis
which of the following groups of organisms uses sunlight to convert carbon dioxide and water into sugar and oxygen?
a) herbivores
b) carnivores
c) producers
d) decomposers
What is the result of cellular respiration?
a) nutrients are excreted to prevent the buildup of body fat
b) energy for cell processes is released
c) oxygen is released for photosynthesis
d) cells undergo decomposition
The green pigment in cells that helps plants make food is called?
a) vacuoles
b) golgi bodies
c) chlorophyll
d) mitrochondria
Diffusion, osmosis, and active transport are all _____.
a) processes that speed up chemical reactions in a cell
b) ways that cells convert food to energy
c) methods by which substances move into and out of a cell
d) means by which cells reproduce
When water moves across the cell membrane, the process is called_____
a) pollution
b) osmosis
c) respiration
d) transfusion
In which part of the plant cell does photosynthesis occur?
a) mitochondria
b) nucleus
c) chloroplasts
d) golgi bodies
Active transport occurs when _____ is used to move substances through a membrane.
a) energy
b) chlorophyll
c) osmosis
d) diffusion
Under what conditions will a substance be likely to enter a cell through diffusion?
a) when a molecule of the substance is very large
b) when the substance is a particle of food
c) when the concentration of the substance is greater outside the cell than inside the cell
d) when the concentration of the substance is greater inside the cell then outside the cell
The movement of air freshener throughout a room is an example of _____
a) condensation
b) active transport
c) evaporation
d) diffusion
Which occurs in the last stage of mitosis?
a) The centromere splits
b) a mesh-like spindle develops between two centrioles
c) the cell membrane divides the cytoplasm into two equal parts
d) The chromosomes begin to uncoil
Each body cell of a goldfish contains 94 chromosomes. How many chromosomes are contained in goldfish sex cells?
a) 23
b) 94
c) 47
d) 188
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