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WorksheetsBiology Review
Total questions: 60
Worksheet time: 30mins
When you step out into the cold, your body shivers in order to keep its temperature at 98.6F. Which characteristic of life does this represent?
All living things use energy
All living things contain cells
All living things maintain homeostasis
All living things grow
A camel has eyelashes that work to keep the dust and sand out of its eyes. Which characteristic of life does this represent?
All living things adapt to their environment
All living things grow
All living things have cells
All living things use energy
Which statement describes ALL living things?
They are composed of one or more cells.
They must reproduce sexually.
They have organ systems to carry out the processes of life.
They are capable of making their own food.
A baby song bird hatches from its egg with both parent songbirds watching. Which characteristic of life does this represent?
All living things reproduce
All living things maintain homeostasis
All living things use energy
All living things grow
The basic building block of life.
Tissue
Cell
Organ
Organism
A group of cells working together to perform a specific function.
organ system
organism
organ
tissue
A group of tissues working together to perform a specific function.
organ
organism
organ system
cell
A group of organs working together to perform a specific function.
cell
tissue
organ system
organism
A tree, plant, fox, wolf, whale, shark, human are all considered to be...
organelles
organisms
homosapiens
mammals
hormones
What is the main role of carbohydrates in the body?
Is the main source of energy for the body
Helps to build and repair body tissue
Provide warmth and cushioning to the body's organs
Helps to transport vitamins through the body
All of the above are roles of carbohydrates in the body
Short term energy and structure in plants.
Functions of Nucleic Acids
Functions of Proteins
Functions of Lipids
Functions of Carbohydrates
Fats and oils: a major source of food providing long term energy and other functions.
Sugars
Carbohydrates
Lipids
Proteins
A hydrocarbon chain that is sometimes considered to be a monomer of lipids.
Fatty Acids
Nucleic Acids
Proteins
Lipids
What is the monomer of a protein?
monosaccharide
glycerol/fatty acid
amino acid
nucleotide
Which of the following is NOT a function of proteins?
Catalysts
Long term energy
Transport
Structure
What is are the building blocks of nucleic acids?
Glue
Carbon
Nucleotides
Lipids
Why is DNA important?
It stores genetic material
It is not important
It has instructions for mutations
It is the same for all living things
In order to break apart a polymer ________ must be added.
carbon
water
oxygen
hydrogen
A _________ reaction removes a molecule of water to bond molecules together to create a polymer.
hydrolysis
water
dehydration synthesis
magical
This reaction is known as a __________________ reaction.
Dehydration Synthesis
Hydrolysis
Dehydration Synthesis
Hydrolysis
Osmosis is the movement of what across a membrane?
Glucose
Sodium
Water
Lipids
Diffusion mean to...
...come together.
...make groups.
...move away from.
...spread out.
Molecules tend to move from an area of high concentration to low concentration is called
facilitated diffusion
diffuson
osmosis
receptor
The relatively constant internal physical conditions of an organism is called
diffusion
receptor
homestatsis
active transport
Which of the following are in the correct order?
organ system, cell, organ, tissue, organism
cell, organ, tissue, organ system, organism
cell, tissue, organelle, organ system, organism
cell, tissue, organ, organ system, organism
Homeostasis mechanisms...
keep everything exactly the same.
usually operate by positive feedback systems.
act to keep the internal environmental conditions outside the normal range
is the ability to maintain a relatively stable internal environment
Which type of feedback system is more common in maintaining homeostasis?
positive
negative
neutral
balanced
Cells of organisms must go through cell division for?
growth
repair of damaged cells
replacement of dying cells.
All of these
DNA is replicated during ______ of the cell cycle.
Gap 1
Synthesis (S phase)
Gap 2
Gap 0
How many cell cycle checkpoints are there?
1
2
3
4
What is the first checkpoint of the cell cycle?
Mitosis checkpoint
G1 checkpoint
G2 checkpoint
Cancer is defined as the
uncontrolled division of mutated cells
normal division of cells
normal DNA replication
abnormal ATP synthesis
A ________________is a critical point where stop and go signals can regulate the cycle
tumor
checkpoint
growth factor
oncogene
Cell programmed self destruction is called
Atopic
Apoptosis
Antiparallel
Anticellular
The heater kicks on and the house warms up, so it kicks off. Then the house cools a bit and the heater kicks back on. This continues all day. It's a _____________ loop.
positive
negative
Body temperature regulation is an example of a ______________ loop
positive
negative
A _________________ feedback loop moves a system to an extreme.
Positive
Neutral
Circular
Negative
The diffusion of WATER through a semi-permeable membrane is called?
Osmosis
Cell wall
Diffusion
Respiration
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