Final Study Guide Biology
Simple diffusion of molecules occurs
in non-living systems as well as living systems
Which of the following is not true about a good hypothesis?
it can be proven to be true
In the absence of sunlight, plants are not able to engage in the dark reactions due to
lack of ATP
Which organ or structure aids in digestion but is not part of the human alimentary canal?
liver
Which of the following is a correct match?
lysosomes for cellular digestions
When Mendel crossed tall (Tt) plants with tall plants of the same genotype, the offspring a. did not grow and reproduce, because they were separate species
were a variable mix of tall and short
Which of the following would be considered a trace element in living things?
zinc
Which stage of respiration produces the most number of ATP
electron transport chain
A covalent bond occurs when
electrons are shared between two atoms to complete their octects
The person who made a lasting impression in the science of genetics with his study of traits in pea plants was
Gregor Mendel
Fermentation is primarily involved in the recycling of
NAD+
A lichen is made up of which two types of organisms?
a fungus and either green algae or cyanobacteria
Prokaryotes lack which of the following?
a nucleus
A theory is an advanced hypothesis that has been proven to be true
atom-molecule-organelle-cell-tissue
A plant which produces seeds without fruit would be in the category of
gymnosperms
Complementary DNA strands are held together by
hydrogen bonds
The building blocks of nucleic acids are
nucelotides
Which of the following is necessary for the complete breakdown of glucose?
oxygen
An enzyme that breaks down protein is
pepsin
Sponges belong to the phylum
porifera
A relationship between two species in which one species lives in or on the other is
predation
Both plants and animals need mitochondria to
produce ATP
In an ecosystem, these organisms are responsible for converting solar energy to the stored energy found in organic compounds
producers
Meiosis is a process used for
production of gametes
Mutation rates are typically low due to
proofreading by DNA repair and silent mutations
A gene in DNA is the code for assembling a sequence of
proton number
The part of the plant that absorbs water and nutrients
root
The pH scale is a mathematical indicator of the
the concentration of H+ present in a solution
Which of the following allows eukaryotic cells and their organelles to move?
the cytoskeleton
Bacteria are able to successfully transcribe and translate human genes
the genetic code is nearly universal
Groups of cells that work together to provide a specific function are called
tissues
Which of the following processes occurs in the nucleus and forms a complementary copy of one strand of the DNA molecule for gene expression?
transcription
Less energy is needed to bring about a reaction when an enzyme is present
true
When a cell is placed in a hypotonic solution
water enters the cell toward the area of higher solute concentrate
In a monohybrid cross, how many traits are examined?
1
A healthy, young couple are carriers of cystic fibrosis, a disorder with an autosomal recessive inheritance; the chance that each of their future children will inherit this serious illness is a.
25%
During glycolysis, what is the net production of ATP per glucose molecule?
32 to 36
Carbon returns to the atmosphere
all of the above
Which of the following is an example of a characteristic of life
all of the above
Fungi and animals are similar in that they both
are heterotrophs
Which one of the following is the smallest unit of matter that has all the properties of an element?
atom
Select the correct association
carbohydrates—include glucose, sucrose, and starch
Scientists created an enzyme that will break down any type of carbohydrate. If given to humans, which of the following could be used as a new food source?
cellulose
In the biology lab, you observed that your lab partner's blood type is AB. The placement of the A and B molecules on each cell is controlled by proteins, coded by different versions of the same gene. Having both is an example of
codonimant inheritance
Which of the following processes is involved in the bulk transport of molecules out of the cell?
exocytosis
All protists are single-celled
false
Thinking about life's organizational hierarchy in a biological system, which of the following is the correct sequence from the smallest unit to the largest unit?
false
Generally, energy ______ an ecosystem, and nutrients _____ an ecosystem a. Cycles within; cycle within
flows through; cycle within
Mammals that lay eggs are
monotremes
Isotopes of an element differ in their
neutron number