Living Things
True or false: All living things are made of cells.
True
What is the watery substance inside a cell?
cytoplasm
True or false: The number of chromosomes in a human body cell is 64.
False
The process of cell division that produces cells that have a full set of chromosomes and are exact copies of a parent cell.
Mitosis
function
What is the basic unit of structure and function in living things?
A cell
Plant cells have ___ vacuole(s).
one
Specialized cells develop from ____ cells.
stem
A process where the cell's cytoplasm divides to form two daughter cells.
cytokinesis
A cell divides _____ times in Meiosis.
2
Where is the DNA in a cell found?
In the chromosomes
What are three things that plant and animal cells do not have in common?
Cell wall, chloroplasts, vacuole
Neurons carry messages between the ____ and the ____.
brain and the body
At the end of meiosis, there are ___ new ______ cells.
4 new daughter cells
Special tissues called _____ and ______ transport water from roots to leaves, and food for the rest of the plant.
phloem and xylem
What are four things that living things have in common?
Need air, need nutrients, use resources, respond to stimuli, grow and develop, DNA or RNA, reproduce made of cells.
Small structures in the cytoplasm are called _________.
Organelles
When cells combine, they form tissues. What are three examples of tissues?
Muscle, supportive (connective), nerve, protective (epithelial)
In meiosis, the number of chromosomes is halved from ___ to ____.
46 to 23
What are two examples of unicellular organisms?
Yeast and bacteria
All living things need water. How much of a cell is water?
70%
What are the specialized tissues in a plant that transport water from the roots to the leaves, and food for the rest of the plant?
Phloem and xylem.
How many kinds of stem cells are there? What are they called?
What are the names of the 5 phases of mitosis?
Prophase, Metaphase, Anaphase, Telophase, Cytokinesis.
What does DNA stand for?
deoxyribonucleic acid