Characteristics of Life
Your body maintains an internal temperature of 98.6*F keeping it in __________
homeostasis
all the scientists who helped create the cell theory were important because their ideas helped develop the ever changing ideas that lead us to the modern day idea of the cell.
True or false?
true
All organic organisms are made up of the same elements of ______ and ________
carbon & hydrogen
The part of the experiment that stays the same
constants
lizards will lay in the sun to warm up and then lay in the shade later in the day to maintain _______.
homeostasis
Changing food into USABLE ENERGY for your body and cells
metabolism
the organelle that makes proteins is the....
ribosome
_____ work to maintain balance and homeostasis in our bodies by speeding up or catalyzing reactions.
enzymes
We design the experiment to test the ____________, which we change for each experimental group. At the end of the experiment, we measure and observe data called ___________.
We design the experiment to test the independent variable. We measure and observe data called dependent variable.
all organisms have genetic information called ____ and _____.
DNA and RNA
What is held inside the nucleus?
A __________ cells has evolved to be more complex with a nucleus and specialized organelles with membranes.
eukaryotic
when you eat carbohydrates your body converts food energy into chemical energy in this organelle (part of the cell)
mitochondria
If we change the amount of salt that each plant gets and keep everything else the SAME in the experiment. The different amount of salt is the ____
independent variable
Viruses are considered nonliving because they do not have cells and need a host cell to reproduce and make more viruses.
True or False?
True
the things that is the MOST important for all organisms is ___
energy
______ are the only type of prokaryotic cells. They are single celled and do not have a nucleus or specialized organelles.
bacteria
The monomers or building blocks or nucleic acids are nucleotides and the monomers of proteins are _____
amino acids
If we change the amount of salt that each plant gets and measure the plant height in cm after 10 days--the plant height is the ____
dependent variable
molecules will start to become equalized or spread out evenly over time because they move from high concentration to low concentration in ____
diffusion
waters polarity (positive and negative charges) allow for it to dissolve many substances like sugar. this is an example of...
as organisms grow and develop, their cells change or form into new cells for different jobs and parts of the body like neurons, muscle cells, and blood cells. This is an example of.....
cell specialization
ATP is energy for the cell. ATP used to create and help enzymes is made in the ribosome from which macromolecule?
proteins
The amount of aloe vera put on an injured bug is tested or changed. The first bug gets 0% aloe vera. The second bug gets 10% aloe vera. The third bug gets 20% aloe vera. What is the control group?
The first bug gets 0% aloe vera.
bacteria and viruses are different because viruses are nonliving. However, viruses and bacteria are similar because they both have ....
genetic information - DNA or RNA