organisms
Cells are the _______ living unit of any organism.
Smallest
True or false:
Bacteria is harmful
false
True or false:
All cells have a nucleus
False, which cells dont have a nucleus?
how many cells do microscopic organisms typically consist of?
1 single cell
What is the process called when organisms have to maintain a stable internal state?
homeostasis
what kind of cell is bacteria? p/e
Prokaryotic
what are more complex?
Prokaryotic cells or Eukaryotic cells
Eukaryotic cells
where does the cell's genetic information (DNA) reside?
a. mitochondria
b. nucleus
c. cell wall
d. organelle
b. nucleus
two types of main cell types
prokaryotes and eukaryotes
what are the bacteria that cause infectious diseases called?
Pathogens
how many different shapes of bacteria exist?
4
where does energy transformation take place?
mitochondria
2 ways organisms obtain energy
1. absorbing sunlight
2. ingest other organisms
give three examples of food production that bacteria are used for
1. yogurt
2. cheese
3. pickles
what is the name of the bacteria that is spiral-shaped?
spirilla
what are the plant organelles that transform sunlight into chemical energy?
chloroplasts
what is NOT present in all organisms?
a. plasma membrane
b. a cell wall
c. cytoplasm
d. genetic material
b. a cell wall
name at least 2 uses of beneficial bacteria
1. bacteria in gut-help w digestion, nutrient absorption, fighting of pathogens
2. food production ( yogurt, cheese, pickles)
3. ecosystem support- bacteria play a vital role in processes like decomposition and nitrogen fixation- fertalize the soil and sustain plant life
How is Bacilli shaped?
a. spherical shape
b. rod-shaped
b. rod shaped
the _____ _______ _______ stores water, nutrients, and other material in a plant cell?
large central vacuole