Which organelle is like the security guards at school, deciding what can go in and out?
A. lysosome
B. ribosome
C. mitochondria
D. cell membrane
D. cell membrane
Something can only be considered living it it demonstrates ______ of the characteristics of life.
A. none
B. some
C. one
D. all
D. all
A. unicellular
B. bicellular
C. multicellular
D. monocellular
C. multicellular
Organelles work in cells like _____ work in our bodies.
A. bones
B. organs
C. muscles
D. hair
B. organs
Who is responsible for lab safety?
A. the principal
B. the teacher
C. everyone
D. the students
C. everyone
What process do chloroplasts perform in cells to make food?
A. cell respiration
B. photosynthesis
C. phosphorylation
D. photography
B. photosynthesis
A cat's tail puffs up when it sees another animal nearby. This is an example of which characteristic of life?
A. grow and develop
B. gain and use energy
C. respond to stimuli
D. shows organization
C. respond to stimuli
Which type of cell helps to deliver oxygen around the body?
A. white blood cell
B. nerve cell
C. red blood cell
D. fat cell
C. red blood cell
Why do plant cells have a cell wall?
A. animals eat them
B. bugs break them down
C. they gain and lose water often
D. all cells have a cell wall
C. they gain and lose water often
If you switch to a higher magnification on the microscope, how will the specimen appear to change?
A. smaller
B. bigger
C. more blurry
D. weirder
B. bigger
Which type of cell would have chloroplasts and a cell wall?
A. skin cell
B. plant cell
C. brain cell
D. bacteria cell
B. plant cell
When you're too hot, you sweat, cooling yourself down. Which characteristic of life does this demonstrate?
A. made of one or more cells
B. reproduce
C. maintain homeostasis
D. show organization
C. maintain homeostasis
What is energy stored as in the body?
A. fat
B. protein
C. muscle
D. skin
A. fat
Which organelle helps the cell maintain homeostasis?
A. ribosome
B. proteins
C. cell wall
D. cell membrane
D. cell membrane
water entered the raisins
A. mitochondria
B. chloroplast
C. nucleus
D. cell membrane
A. mitochondria
A. obtain and use energy
B. maintain homeostasis
C. reproduce
D. adapt to the environment
A. obtain and use energy
A. nucleus
B. chloroplast
C. mitochondria
D. golgi body
C. mitochondria
Which two organelles are only found in plant cells?
A. nucleus and chloroplast
B. cell wall and cell membrane
C. chloroplast and cell wall
D. centriole and nucleus
C. chloroplast and cell wall
Why did the celery wilt or get soggy when it sat in saltwater overnight?
salt sucks, water left the celery
What does a ribosome make?
protein
Explain how humans show organization.
Organs, limbs, skin, etc.
A nerve cell is long with branches on both ends. How does its shape help it do its function?
It helps it communicate with other cells.
What is contained inside the nucleus?
DNA
Why was the microscope such an important invention in science?
allowed us to see things that we can't see with just our eyes