The chromosomes are aligned across the centre of the cell during
a. Prophase
b. Metaphase
c. Anaphase
d. Telophase
What is METAPHASE
100
Why is the nucleus of the cell so important?
a. It contains the genetic material of a eukaryotic cell
b. It controls the cells activities
c. It contains the genes that determine what proteins are made
d. All of the above are reasons why the nucleus is so important
What is ALL OF THE ABOVE
100
The genetic code uses the four types of building-block molecules in a specific combination. What is the correct combination?
a. A-C, T-G
b. A-D, C-T
c. A-D, C-G
d. A-T, C-G
What is A-T, C-G
100
Which of these is NOT a type of connective tissue
a. Bone
b. Blood
c. Fat (adipose tissue)
d. Nervous
What is NERVOUS TISSUE
200
- defends the body against infections
What is the immune system
200
11. During which phase of mitosis are two daughter cells formed?
a. Prophase
b. Metaphase
c. Anaphase
d. Telophase
What is TELOPHASE
200
If a ribosome is like an assembly line, what is a mitochondrion like?
a. A storage locker
b. A hallway
c. A taxicab
d. A battery
What is a BATTERY
200
DNA is a large molecule. This molecule has specific sites that are called
a. Helixes
b. Membranes
c. Genes
d. Proteins
What is a GENE
200
Which organelle would be found abundantly in muscle tissue? Why?
What are MITOCHONDRIA
- Power house of the cell providing energy for movement
300
- detects changes in the environment and signals these changes to the body, which then responds
What is the nervous system
300
The cell cycle consists of two main phases, cell division and
a. Interphase
b. Metaphase
c. Anaphase
d. Cytokinesis
What is INTERPHASE
300
3.Which statement is NOT part of the cell theory?
a. Plant cells contain chloroplasts
b. All cells come from pre-existing cells
c. All living organisms are made of one or more cells
d. The cell is the basic organizational unit of life
What is a) Plant cells contain chloroplasts
300
Genes are responsible for the production of
a. Ladders
b. Proteins
c. Food
d. Energy
What are PROTEINS
300
List the three types of muscle tissue.
What are: CARDIAC MUSCLE, SMOOTH MUSCLE, SKELETAL MUSCLE
400
- works with the bones to move parts of the body
What is the muscular system
400
During which phase of mitosis do replicated chromosomes separate?
a. prophase
b. metaphase
c. anaphase
d. telophase
What is ANAPHASE
400
List three differences between animals and plant cells.
What are:
- Animal cells have a different shape and a smaller vacuole
- Plant cells have a rigid cell wall on the outside
- Plant cells have chloroplasts inside
400
List one reason for genetic screening and one reason against it.
What is
PRO - early detection which allows for treatment
CON - how is this information used?
400
Adipose tissue (fat) has several functions. List two.
What are:
- energy storage
- padding
- insulation
500
- produces and releases hormones
What is the endocrine system
500
What are the cells produced by mitosis and cytokinesis called?
a. daughter cells
b. mitosis cells
c. parent cells
d. replicants
What are DAUGHTER CELLS
500
Which type of cell would contain the most mitochondria?
a. fat cell
b. leaf cell
c. muscle cell
d. skin cell
What is MUSCLE CELL
500
Genetically modifying food could include
a. growing edible bacteria
b. designing crops that resist pests
c. treating cattle with antibiotics
d. picking only red potatoes in a field
What are CROPS THAT RESIST PESTS
500
What is a totipotent cell?
What is:
A cell that can become any kind of cell in the body