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Biology Questions
BIOLOGY
HIGH SCHOOL
In a sexually reproducing species, evolutioncould occur as a result of(1) modification of genes in body cells(2) modification of genes in sex cells(3) increased reproduction among individualswith identical chromosomes(4) recombination of genes in cells reproducingby mitosis
BIOLOGY
HIGH SCHOOL
A human skin cell contains 46 chromosomes. Afrog sperm cell contains 12 chromosomes.Which pair of numbers shows the chromosomenumber of a normal gamete from each of thesespecies?(1) human 46; frog 12 (3) human 23; frog 24(2) human 46; frog 24 (4) human 23; frog 12
BIOLOGY
HIGH SCHOOL
Enzyme molecules react with reactants to produce substrates. True False
BIOLOGY
HIGH SCHOOL
After 5 divisions, how many cells are there?
BIOLOGY
HIGH SCHOOL
The three types of seismic waves produced by an earthquake are primary, secondary, and A. surface.B. sedimentary.C. elastic.D. atmospheric.
BIOLOGY
HIGH SCHOOL
As a rocket takes off, the gases released push down on the ground, which then pushes the rocket up. true or false
BIOLOGY
HIGH SCHOOL
Which factor would cause two specialized tissuesthat contain identical chromosomes to functiondifferently?(1) Specific sections of DNA molecules in thechromosomes are activated.(2) All of the sections of DNA molecules in thechromosomes are activated.(3) Specific sections of the amino acid moleculesin the cytoplasm are activated.(4) All of the amino acid molecules in thecytoplasm are activated.
BIOLOGY
HIGH SCHOOL
In the cells of the human body, oxygen moleculesare used directly in a process that(1) releases energy(2) digests fats(3) synthesizes carbohydrate molecules(4) alters the genetic traits of the cell
BIOLOGY
HIGH SCHOOL
DNA samples can be separated according to size using the technique of(1) chromatography (3) replication(2) electrophoresis (4) dissection
BIOLOGY
HIGH SCHOOL
A relationship between a consumer and produceris best illustrated by a(1) snake eating a bird(2) tree absorbing minerals(3) fungus breaking down wastes(4) deer eating grass
BIOLOGY
HIGH SCHOOL
Which type of bond is found in many carbon-to-carbon bonds in canola oil, but very few carbon-to-carbon bonds in butter? 1) C–C 2) C=C 3) C=H 4) C–H
BIOLOGY
HIGH SCHOOL
There is no difference between the question and hypothesis steps of scientific inquirytrue or false
BIOLOGY
HIGH SCHOOL
The "Father of Modern Taxonomy" is _____.
BIOLOGY
HIGH SCHOOL
According to the fossil record, which statementis accurate?(1) Most of the species that have lived on Earthno longer exist.(2) Most of the species that have lived on Earthstill exist today.(3) Fossils of species that never existed can befound.(4) Fossils of species that never existed, but willexist in the future, can be found.
BIOLOGY
HIGH SCHOOL
The information needed to direct the cell is found in ______. RNA Ribosomes Mitochondria DNA
BIOLOGY
HIGH SCHOOL
AAC –GCC – GTC –CGC – TAGIf a mutation occurs, leaving 12 bases, what is the maximum number of amino acids that could be codedfor by this DNA segment? [1]
BIOLOGY
HIGH SCHOOL
Which consist of sperm cells and egg cells?gametes tetrads diploids chromosomes A.gametesB.tetradsC.diploidsD.chromosomes
BIOLOGY
HIGH SCHOOL
What does the dotted line between the water molecules represent?
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