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AP Biology Semester 1

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Quiz sobre AP Biology Semester 1, criado por 22alexpereyra em 16-12-2014.
22alexpereyra
Quiz por 22alexpereyra, atualizado more than 1 year ago
22alexpereyra
Criado por 22alexpereyra aproximadamente 10 anos atrás
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Resumo de Recurso

Questão 1

Questão
A scientist chemically analyzes the plasma membrane of a cell. He determines that it is an animal cell because he finds that it contains
Responda
  • cholesterol molecules
  • phospholipids
  • proteins
  • cellulose
  • chitin

Questão 2

Questão
During interphase, chromosomes are not visible because
Responda
  • they condense and form circular bodies
  • they move into the cytoplasm and attach to ribosomes
  • they attach to the nuclear envelope
  • they move into the cytoplasm to form the endoplasmic reticulum
  • they unwind for replication and transcription

Questão 3

Questão
The plant cells responsible for increases in the length of roots are located in the
Responda
  • apical meristem
  • vascular cambium
  • cork cambium
  • secondary xylem
  • primary phloem

Questão 4

Questão
Natural selection occurs for all the following reasons except
Responda
  • resources are limited
  • traits are inherited
  • there is variation in traits among individuals in a population
  • individuals change in order to adapt
  • individuals compete for resources

Questão 5

Questão
In the hydrological cycle, plants transfer most of their water to the environment through
Responda
  • photosynthesis
  • respiration
  • dentrification
  • nitrification
  • transpiration

Questão 6

Questão
Asci, perithecia, and hyphae characterize which of the following groups?
Responda
  • algae
  • bacteria
  • cyanobacteria
  • slime molds
  • fungi

Questão 7

Questão
Which of the following correctly describes DNA polymerase activity?
Responda
  • It can operate in either the 3' -> 5' or 5' -> 3' direction.
  • It can initiate DNA replication.
  • It operates continuously without interruption on either DNA strand.
  • It can copy a mutation from the template strand to the replicate strand.
  • It requires no other enzymes to assemble DNA.

Questão 8

Questão
During photosynthesis, the pH inside the thylakoid
Responda
  • decreases as O2 enters the thylakoid
  • decreases as H+ accumulates inside the thylakoid from photolysis
  • only decreases in the dark
  • is always greater than the pH of the stroma
  • decreases as ATP is generated across the thylakoid membrane

Questão 9

Questão
Seeds are produced by all of the following except
Responda
  • ferns
  • angiosperms
  • gymnosperms
  • flowering plants
  • conifers

Questão 10

Questão
The Kreb cycle occurs
Responda
  • in the matrix
  • in the stroma
  • in the cytoplasm
  • between the crista membrane and the mitochondrial membrane
  • outside the thylakoids

Questão 11

Questão
Which of the following describes a correct order of events for the germination and early growth of a dicotyledon seedling?
Responda
  • cotyledon digestion->inhibition->root growth->shoot growth
  • inbibition-> cotyledon digestion->root growth->shoot growth
  • inbibition->root growth->shoot growth->cotyledon digestion
  • root growth->shoot growth->inbibition->cotyledon digestion
  • root growth->inbibition->shoot growth->cotyledon digestion

Questão 12

Questão
Compared to a person who is physically unfit, a person who is fit
Responda
  • pumps a smaller volume of blood with each heart beat
  • takes longer to reach a maximum heart rate
  • delivers the same amount of oxygen to the circulatory system with each heart beat
  • requires more oxygen for the same amount of muscle contraction
  • is more likely to skip heart beats

Questão 13

Questão
Both cyclic and noncyclic photophosphorylation
Responda
  • require H2O
  • generate NADP
  • generate oxygen
  • generate PGAL
  • generate ATP

Questão 14

Questão
All of the following reactions involve membrane transport by passive or active transport processes except the
Responda
  • large intestine
  • postsynaptic membranes of a neuron
  • loop of Henle
  • alveolus
  • urethra

Questão 15

Questão
Which of the following is a characteristic that differentiates the domains Archae and Bacteria? Of the two domains,
Responda
  • only members of Archaea have a nuclear envelope
  • only member of Archaea have a circular chromosome
  • only member of Bacteria have peptidoglycans in their cell walls
  • only members of Bacteria have membrane enclosed organelles
  • only members of Bacteria have plasma membranes with lipids

Questão 16

Questão
All of the following are true about energy in an ecosystem except
Responda
  • energy flows in one direction: from producers to primary consumers, to secondary consumers, to tertiary consumers
  • most of the energy transferred out of one trophic level is lost before passing into the next higher trophic level
  • the ultimate source of most energy entering an ecosystem is the sun
  • heat generated by organisms represents a loss of energy to the ecosystem
  • energy is recycled in an ecosystem

Questão 17

Questão
In the biogeochemical cycle for carbon, carbon passes from inorganic to organic form through the process of
Responda
  • ammonification
  • cellular respiration
  • decay
  • photosynthesis
  • transpiration

Questão 18

Questão
Growth that stops when an organism becomes an adult is called
Responda
  • asexual
  • heterotrophic
  • embryonic
  • determinant
  • eukaryotic

Questão 19

Questão
During which phase of the cell cycle do chromosomes replicate?
Responda
  • anaphase
  • telophase
  • metaphase
  • prophase
  • interphase

Questão 20

Questão
Which of the following processes produces pyruvate?
Responda
  • glycolysis
  • oxidative phosphorylation
  • Krebs cycle
  • alcohol fermentation
  • lactic acid fermentation

Questão 21

Questão
In which of the following areas of the brain do speech, conscious thinking, and control of skeletal muscles occur?
Responda
  • cerebellum
  • medulla oblongata
  • optic chiasma
  • corpus callosum
  • cerebral cortex

Questão 22

Questão
All of the following products form as a result of a condensation or dehydration reaction except
Responda
  • proteins
  • disaccharides
  • polysaccharides
  • steroids
  • triglycerides

Questão 23

Questão
Which of the following events is believed to be the earliest step toward the origin of a living cell?
Responda
  • the development of RNA like molecules with enzymatic functions
  • the appearance of oxygen in the atmosphere
  • the development of photosynthesis
  • the development of respiration
  • the development of DNA in protected pools of water

Questão 24

Questão
Cellular activities that occur during the G1, G2, and M checkpoints control whether or not subsequent phases of the cell cycle will be completed. These checkpoint activities do not control cell division in
Responda
  • fetal cells
  • liver cells
  • cancer cells
  • nerve cells
  • embryonic stem cells

Questão 25

Questão
A researcher is observing a cell through a microscope. She determines that it is a plant cell because she observes a
Responda
  • mitochondrion
  • lysosome
  • centriole
  • central vacuole
  • nucleus

Questão 26

Questão
Which of the following would most likely provide examples of meiotic cell divisions?
Responda
  • cross section of muscle tissue
  • cross section of an anther
  • longitudinal section of a shoot tip
  • endosperm of a dormant seed
  • cross section of a leaf

Questão 27

Questão
All of the following occur during photosynthesis except
Responda
  • light absorption occurs in the thylakoid membranes
  • oxygen is generated during photolysis
  • CO2 concentrates inside the thylakoid
  • ATP is generated as protons move from inside the thylakoid to the stroma
  • glucose is produced in the stroma

Questão 28

Questão
The amount of energy lost during the transfer from one trophic level of a pyramid of energy to the next higher trophic level is, on average, about
Responda
  • 90%
  • 75%
  • 60%
  • 50%
  • 25%

Questão 29

Questão
The structure of the seed and seedling that stores food for the embryo and seedling is called the
Responda
  • apical meristem
  • plumule
  • hypoctoyl
  • cotyledon
  • coleptile

Questão 30

Questão
All of the following provide evidence for the support of evolution except
Responda
  • Many shrubs in Southern California and South Africa possess thick, shiny leaves and are well adapted to fire, characteristics well suited to their Mediterranean type habit, yet the plants of Southern California and South Africa are not closely related
  • Closely related species share higher percentages of DNA than species more distantly related
  • Tails and gill arches appear during the development of human embryos
  • Whales do not have hind legs, but small, nonfunctional bones that resemble leg and foot bones are present
  • Acquired characteristics, such as the dwarf-like appearance in bonsai that results when trees are closely pruned, can be passed on to offspring

Questão 31

Questão
Which of the following process convert NADH to NAD+
Responda
  • glycolysis and Krebs cycle
  • glycolysis and alcohol fermentation
  • Krebs cycle and alcohol fermentatioin
  • alcohol fermentation, lactic acid fermentation, and oxidative phosphorylation
  • Krebs cycle and oxidative phosphorylation

Questão 32

Questão
When water evaporates form the surface of a pond, what happens to the remaining liquid water?
Responda
  • The surface water cools
  • The surface water warms
  • The surface water temperature remains unchanged
  • The amount of energy stored in water molecules remaining in the pond increases
  • The pH of the remaining water decreases

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