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Biology Semester One Exam
Terms in this set (53)
how organisms are related to each other
Which of the following does evolution explain?
Which of the following is the hereditary material in most living things?
Which of the following does the hierarchy of organization within an organism describe?
its ability to show detail clearly
To which of the following does the resolution of a microscope refer to?
compound light microscope:light::TEM:
structural formula of compound
The way in which elements bond to form compounds depends on which of the following?
if an atom is made up of 6 protons, 7 neutrons, and 6 electrons, what is its atomic number?
what is an aqueous solution that contains more hydroxide ions than hydronium ions called?
oxygen atoms and hydrogen atoms have opposite charges
the water molecule has partial positive charges on the hydrogen atoms and a partial negative charge on the oxygen atoms. What can you conclude?
storage of genetic information (it does provide structural support, energy storage, and energy source)
which of the following is not a function of polysaccharides?
starch is a lipid
which of the following statements is false?
which of the following molecules stores hereditary information?
what is the name of the molecules in plants that stores sugars?
which of the following molecules make up the basic structure of a cell membrane?
the tails of the molecules in the figure orient away from water. Which of the following describes the tail's movement away from water?
simple sugars: carbohydrates::amino acids:
it houses RNA,DNA, nucleolus, but not the endoplasmic reticulum
the eukaryotic nucleus houses all of the following except the
which structure contributes to support and movement within a cell?
RNA is found in the nucleus and the cytoplasm
which of the following statements about RNA is true
mitochondria: energy release:: ribosome:
to make ATP
what is the function of the structure labeled in orange?
from an area of higher concentration to one of lower concentration
during diffusion molecules tend to move in what direction?
ions across a cell membrane
ion channels aid the movement of which substances?
na+ out of the cell and k+ into the cell
the sodium-potassium pump transports which of the following?
which process do some animal cells use to engulf, digest, and destroy invading bacteria
passive transport:osmosis::active transport:
which of the following is a reactant in the calvin cycle?
true or false: accessory pigments absorb colors of light that chlorophyll 'a' cannot absorb
when water is split
oxygen is produced at what point during photosynthesis
light reactions:ATP::calvin cylce:
which of the following must pyruvic acid be converted into before the Krebs cycle can proceed?
NAD+ is regenerated for use in glycolysis
which of the following occurs in lactic acid fermentation?
which of the following is not a product of the Krebs cycle?
both; make G3P, involve ATP, involve chemiosmosis
in which way is cellular respiration similar to photosynthesis?
ATP is synthesized in chemiosmosis when which of the following moves across the inner mitochondrial membrane?
glycolysis:pyruvic acid::Krebs cycle:
glycolysis and Krebs cycle
at which point is ATP produced during cellular respiration
prokaryotic chromosomes consist of a circumlar DNA molecule
which of the following statements is true about prokaryotic chromosomes?
crossing-over occurs during what process?
in which phase of mitosis do chromatids separate and become individual chromosomes?
what process occurs that leads to the decrease in the cell's DNA mass?
prokaryote: binary fission:: eukaryote:
which type of cell division is shown
what is a procedure in which an individual of unknown genotype is crossed with a homozygous recessive individual to determine the genotype of the unknown individual called?
1 PP: 2 Pp: 1 pp
in a monohybrid cross of two heterozygous parents (Pp) what would the expected genotypes of the offspring be?
Rr: genotype:: red:
encoding information for making proteins
for which of the following is DNA responsible?
in the nucleus and cytoplasm
where is RNA found?
what is the basic unit of DNA called?
mRNA and tRNA
which of the following nucleic acids is involved in translation?
mRNA: uracil:: DNA:
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