The smallest unit that can perform all life processes is called?
Cell
You look at a cell in a microscope. You see cells that are round. What type of cell are you looking at?
plant cell
animal cell
blood cell
bacterial cell
How would Casey know that an object she sees under the microscope is living?
She sees cells of that object.
Organs come together to make...
organ systems
Tissues come together to make...
organs
Which type of cell does not have a nucleus?
plant
prokaryotic
animal
eikaryotic
Organ systems come together to make...
organisms
Osmosis is the movement of what material across the cell membrane?
pollution
water
carbon dioxide
oxygen
Identify image 3.
chloroplast
Cells come together to make...
tissues
Identify image 2
vacuole
Identify image 1.
nucleus
Living organisms that are made of more than one cell are called?
Multicellular
Which two cell parts are found only in plant cells?
chloropasts and cell wall
A cell is a eukaryote if it has a?
cell wall
cytoplasm
cell membrane
nucleus
A living thing is made of cells is called an?
Organism
What structure in plant cell captures energy from sunlight and uses it to produce food.
Chloroplasts
When an organism is made of just one cell it is called?
Unicellular
What organelle is selectively permeable?
cell membrane
You look at a cell in a microscope. You see rectangular -like cells. What type of cell are you looking at?
plant cell
bacterial cell
brain cell
animal cell
Identify image 4.
mitochondria
Identify image 6.
cell membrane
These are tiny structures that carry out a specific job in a cell.
Organelles
Which organelle is found in both plant and animal cells. One organelle is larger in a plant cell than in an animal cell. Which organelle is that?
vacuole
What is the rigid layer of material that surrounds and protects a plant cell called?
Cell wall.
Which invention allowed us to see cells?
Microscope
Which organelle moves material from the nucleus to other parts of the cell?
endoplasmic reticulum
mitochondria
ribosomes
nucleus
This is a cell structure that controls which substances leave and enter a cell.
Cell Membrane
What does selective permeability mean?
some materials can cross but not all materials can cross
All living things are made of cells. Cells are the basic unit of life. All cells come from other cells. This theory is called?
Cell theory
Can skin cells make blood cells? Explain your answer.
No skin cells use cell division to make skin cells. Blood cells use cell division to make blood cells.
Which organelle is a jelly-like substance that holds the other organelles in place in a cell?
cytoplasm
This cell structure directs all the cells activities.
Nucleus
This cell structure produces most of the energy for the cell.
Mitochondria
What are the characteristics of a living thing?
move, reproduce, grow, respond, adapt, made of cells, metabolize
When an organism is made of only one cell it is called...
unicellular organism
Which one of these is true about multicellular organisms? a. All cells do the same job. b. Each cell in the body has different organelles. c. different cells do different jobs
c
Identify image 5.
cell wall
Which organelle is known for their ability to make proteins?
mitochondria
nucleus
ribosome
endoplasmic reticulum
Your experience on this site will be improved by allowing cookies.