1) which piece of evidence supports the hypothesis of continental drift?
a. alfred wegener believed that the continents formed a supercontinent called pangea.
b. charles darwin believed that the continents formed a supercontinent called pangea.
c. charles lyell believed that the continents split into two smaller continents called
gondwana and laurasia.
d. alfred wallace believed that the distribution of seed fern fossils supported continental
drift.
2) which of the meristems and tissues is (are) mismatched?
a. protoderm – vascular tissue
b. ground meristem – ground tissue
c. procambrium – epidermal tissue
d. none of these are mismatched.
e. protoderm – vascular tissue and procambrium – epidermal tissue are mismatched.
3) which of the following gives rise to both lysosomes and vesicles?
a. rough endoplasmic reticula
b. mitochondria
c. golgi apparatus
d. ribosomes
4) at _____ weeks, the fetal heartbeat can be heard through a stethoscope.
a. 4
b. 25
c. 16
d. 12
e. 30
5) of the three domains in woese’s classification system, which do most biologists
recognize?
a. monera, archae, and bacteria
b. fungi, monera, andarchae
c. archae, bacteria and eukarya
d. protista, fungi, and eukarya
6) which cytoskeletal element is not correctly associated with its characteristic?
a. cilia are small extensions of membrane-surrounded microtubules.
b. microtubules are made up of a globular protein called tubulin.
c. centrioles are found in the microtubule organizing centers of plants.
d. flagella have a 9 + 2 pattern of microtubule structure.
e. basal bodies are located at the base of cilia and flagella.
incorrect
7) match the level of gene expression control with the location of that control.
1> nucleus a. chromatin structure
2> cytoplasm b. transcriptional control
3> nucleus c. posttranscriptional control
4> nucleus d. translational control
5> cytoplasm e. posttranslational control
8) prokaryotes are now divided into the
a. archaea and bacteria.
b. bacteria and cyanobacteria.
c. photosynthetic bacteria and chemosynthetic bacteria.
d. archaea and cyanobacteria.
e. autotrophs and heterotrophs.
9) what was the minimal requirement to perform a “classic dna fingerprinting” test in
order to associate a blood sample with a criminal?
a. one sample of dna, pcr amplification, restriction enzymes, and gel electrophoresis
b. one sample of dna, restriction enzymes, a dna synthesizer, and gel electrophoresis
c. two samples of dna, pcr amplification, restriction enzymes, and gel electrophoresis
d. two samples of dna, pcr amplification, a dna synthesizer, and gel electrophoresis
e. two samples of dna, pcr amplification, restriction enzymes, and a dna synthesizer
10) the presence of antibodies in a newborn baby is most often due to
a. exposure of the baby to antigens after birth.
b. antibodies that crossed the placenta from the mother’s blood.
c. immunity developed after birth.
d. natural immunity developed in the baby before birth.
e. antibodies are inherited from the father.
11) in this pathway, b c is coupled with adp atp. categorize the reactions as
endergonic or exergonic.
a. b c is endergonic and adp atp is exergonic.
b. adp atp is endergonic and b c is exergonic.
c. both b c and adp atp are endergonic.
d. both b c and adp atp are exergonic.
12) which of the following lists of mass extinctions is correctly matched with the date
of the extinction?
a. silurian / 445.2 mya
b. devonian / 443.7 mya
c. cretaceous / 65.5 mya
d. triassic / 251 mya
13) beyond maintaining water balance in the blood, the kidneys
a. maintain blood volume.
b. aid in regulation of blood pressure.
c. help to maintain the blood ph.
d. all of the choices are kidney functions.
14)
substrates that reoccur in several metabolic pathways form the metabolic pool. study the
figure to place the items in proper order.
a. a is electron transport chain; b is pyruvate; c is citric acid cycle
b. a is citric acid cycle; b is electron transport chain; c is pyruvate
c. a is pyruvate; b is citric acid cycle; c is electron transport chain
15) the part of the brain that integrates sensory input from the eyes, ears, muscles, and
joins with motor information from the cerebral cortex is the
a. cerebrum.
b. cerebellum.
c. brain stem.
d. diencephalon.
16) which statement below best describes the difference between mitosis and
cytokinesis?
a. mitosis is the portion of the cell cycle that divides the nuclear material while
cytokinesis divides the cytoplasm
b. mitosis is the portion of the cell cycle that divides the cytoplasm while cytokinesis
divides the nuclear material
c. mitosis is the portion of the cell cycle that uses a contractile ring to divide the nuclear
material while cytokinesis uses the contractile ring to divide the cell membrane
d. mitosis is the portion of the cell cycle that uses a cell plate to divide the cell
membrane in plant cells while cytokinesis uses a contractile ring to divide the cell
membrane in animal cells