Characteristics of Life
Species change over time
evolution
Triple points
Which organ in humans uses the most energy?
the brain
Which element makes up the majority of animals like humans?
oxygen
An example of a carbohydrate
fruits, vegetables, bread, pasta, cereal
The shape of DNA
double helix or twisted ladder
Quadruple points
Which characteristic of life does not apply to viruses?
Viruses are not made of cells
Living things need a constant supply of ________ or else they will die.
energy
similar groups of cells working together
tissues
This is the smallest element. It is the third most common element in humans.
hydrogen
This biomolecule carries genetic information
nucleic acids
Double points
What is the name of the scientist who took the X-ray picture of DNA that led to the discovery of its structure?
Rosalind Franklin
Double points
What are monomers?
Monomers are the building blocks of biomolecules
This term refers to the smallest units of life.
cells
Triple points
Small structures inside of cells are called ________.
An example of one of these structures is the _________.
organelles
nucleus, mitochondria, ribosome, chloroplast, cell membrane, etc.
nitrogen
This biomolecule provides most organisms with short term energy
carbohydrates
The __________ ensures that each strand in a DNA molecule can serve as a _______ to build a complementary strand in new DNA molecules.
base pair rule
template
The monomer for proteins.
amino acids
Living things pass DNA and traits on to their offspring. What is this called?
heredity
Identify an organ system in humans.
digestive system, respiratory system, circulatory system, reproductive system, nervous system, etc.
This element is found in nucleic acids like DNA and RNA, and also in the special lipids that make up cell membranes.
phosphorus
Double points
Name the two most common nucleic acids.
DNA and RNA
Write the complementary bases for the following sequence of DNA:
T T A G A C T G A
A A T C T G A C T
Identify the two main enzymes that help DNA replicate itself.
helicase
polymerase
Living things seek to keep internal balance and stability, even when the outside environment changes. What is this called?
homeostasis
Put the following levels of biological organization in order from smallest to largest: tissue, cell, atom, organelle, molecule, organ system, organ, organism
atom, molecule, organelle, cell, tissue, organ, organ system, organism
This element is extremely important because it is the main element that all of the biomolecules are built off of
carbon
This biomolecule is the most versatile because it comes in the most different structures and has the most different functions
proteins
What are the three parts of a nucleotide?
1. a phosphate
2. a sugar
3. a nitrogen base
This is the vocabulary word that refers to the fact that during DNA replication, each strand in an original DNA molecule is kept and used as a template to build a new strand.
semiconservative replication