WorksheetsBiology STAAR Review
Total questions: 59
Worksheet time: 41mins
AMINO ACIDS ARE THE BUILDING BLOCKS OF...
CARBHYDRATES
LIPIDS
NUCLEIC ACIDS
PROTEINS
FATTY ACIDS AND GLYCEROL ARE THE BUILDING BLOCKS OF..
CARBOHYDRATES
LIPIDS
NUCLEIC ACIDS
PROTEINS
WHAT ELEMENTS DO ALL BIOMOLECULES (LIPIDS, PROTEINS, NUCLEIC ACIDS, CARBS) HAVE IN COMMON?
CARBON, HYDROGEN, FLOURINE
CARBON, HYDROGEN, CHLORINE
CARBON, HYDROGEN, IODINE
CARBON, HYDROGEN, OXYGEN
WHICH BIOMOLECULES STORES LONG-TERM ENERGY?
PROTEIN
CARBS
LIPIDS
NUCLEIC ACIDS
This cell is a -
PROKARYOTIC
PLANT
ANIMAL
PROTIST
WHAT ELEMENT DO AMINO ACIDS AND NUCLEOTIDES HAVE THAT THE OTHERS DO NOT HAVE?
PHOSPHATE
NITROGEN
CARBON
OXYGEN
What do viruses have in common with living cells? They both...
store genetic information
have chloroplasts
use glucose for cellular respiration
have endoplasmic reticulum
In DNA, adenine pairs with _______, while guanine pairs with _______.
uracil / cytosine
thymine / uracil
thymine / cytosine
adenine / guanine
Use the chart to find to amino acid that corresponds to the codon GGA:
Alanine
Glutamic Acid
Lysine
Glycine
The 2 sex chromosomes found in a human female are:
XX
XY
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
What is the type of mutation that has occurred?
structures that are similar because they came from a common ancestor but may have a different function are called:
analogous
vestigeal
homologous
Which of the following activities occur in the S phase?
Which of the following is a herbivore and primary consumer?
cricket
frog
hawk
shrew
Which best describes the basic structure of a virus?
A nucleic acid strand surrounded by a protein coat.
A protein tail surrounded by a lipid coat.
A lipid tail surrounded by a carbohydrate coat.
A nucleic acid strand surrounded by a carbohydrate coat.
A catastrophic event can be described as...
When an ecosystem is destroyed by a natural disaster or human events.
When the cats destroy an event.
When large numbers of events occur all at once.
When the strophic layers of the Earth are destroyed.
What is true about sustainability?
Having a small number of species increases biodiversity
Sustainability is how organisms change over time
Sustainability is how much rainfall and sunlight an ecosystem receives
The more different types of species you have (biodiversity) the better an ecosystem can sustain itself
Natural selection results in change in a population's _____________ traits over time.
inherited
acquired
Why do scientists use scientific names?
to confuse people
to have a common language
to allow people to say the same thing
because common names are not appropriate
