生物
細胞生物學、遺傳學、生態學與生命科學基礎。
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which amino acid chain will be formed by the codons shown below? gga aa…
B. Gly Lys Cys
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in what way does translation change information? a. from a nucleic acid…
A. From a nucleic acid code to an amino acid code
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comparing arguments from diverse perspectives read the passage from a s…
anaphora
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which codon is the code for the amino acid serine (ser)? messenger rna …
D. AGU
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why is protein synthesis different in prokaryotes and eukaryotes? a. pr…
B. Prokaryotes have no nucleus.
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question 3 of 10 how does translation form proteins? a. dna forms a bon…
C. Peptide bonds connect amino acids
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what macromolecule is produced during translation? a. carbohydrate b. p…
B. Protein
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what happens at the end of translation? a. the ribosome locates the sta…
D. The amino acids detach from the ribosome
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what is the purpose of transcription? a. to link amino acids together t…
C. To form RNA molecules from DNA
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which is true of the international convention for the prevention of pol…
It addresses the discharge of oil and oily substances into the sea.
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which best describes the flow of genetic information? a. genetic inform…
A. Genetic information flows from DNA to RNA to protein.
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which molecule carries the instructions for producing mrna? a. dna poly…
C. DNA
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part ii: document analysis (70 points) 1. read the first speech. does w…
1. Sin el texto del primer discurso, no se puede responder. 2. Sin el texto del segundo discurso, no se puede responder. 3. (a) Probablemente acusó de violaciones marinas internac…
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how could an error during transcription affect the protein that is prod…
B. The protein would be made of the wrong amino acids.
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which best describes a difference between transcription and dna replica…
B. They use different nucleotide bases.
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which best describes the order of actions by rna polymerase? a. makes m…
D. Binds to DNA, makes mRNA from DNA, detaches
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what happens right before transcription begins? a. mrna is produced fro…
D. RNA polymerase is guided to the correct place.
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how does an allele cause a trait in an organism? a. the allele is used …
B. The allele causes a certain type of protein to form.
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question 2 of 5 how does jin wang react to finding wei - chen and ameli…
B. He runs away in anger.
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in a football tournament, the bees scored 9 less than three - times as …
54
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what is gene regulation? a. the manner in which phenotypes differ from …
C. The control of when and where proteins are made
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which strand of mrna would be made during transcription using the dna s…
A. GCU AGA
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in a football tournament, the bees scored 9 less than three times as ma…
The equation representing the scenario is $5x+19 = 184$ (derived from $x+(3x - 9)+(x + 28)=184$) where $x$ is the number of points scored by the Hornets.
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in pea plants, flowers can be purple (p) or white (p). in a field of pe…
0.34
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how are the lysogenic and lytic cycles different? a. the lytic cycle do…
C. The lytic cycle kills a cell.
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label and use this figure to explain how the elements of the endomembra…
The nucleus provides genetic information for protein synthesis. The rough ER synthesizes proteins. Transport vesicles carry these proteins to the Golgi apparatus. The Golgi modifi…
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which best describes transduction in bacteria? a. bacteria take dna fro…
D. Bacteria transfer DNA with a bacteriophage.
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which best describes how the common cold spreads in the human body? a. …
C. Viruses replicate inside respiratory cells.
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which best describes a rhinovirus? a. a piece of dna transferred by a v…
C. A virus that causes a common cold
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which best describes a virus? a. a microscopic thing with a nucleic aci…
A. A microscopic thing with a nucleic acid code
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why are viruses considered to be nonliving? a. they cannot use energy. …
D. They cannot reproduce without a host cell.
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the bacteria in a colony are unable to perform conjugation. how would t…
C. The bacteria in the colony would be genetically too similar.
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why are antibiotics unhelpful for treating the common cold? a. antibiot…
A. Antibiotics attack only bacteria.
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how are viruses different from bacteria? a. viruses do not contain dna.…
C. Viruses are not alive.
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question 1 of 10 why would a drug that damages capsids help treat a vir…
C. Capsids help viruses enter cells.
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which is an international agreement adopted and ratified by the u.s. go…
D. MARPOL
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which molecule is active during the last step of dna replication? a. nu…
D. DNA ligase
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which describes the correct pairing of dna bases? a. t with a, and c wi…
None of the above options are correct. The correct pairing is A with T, and C with G.
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which describes the correct pairing of dna bases? a. t with a, and c wi…
None of the above options are correct. The correct pairing is A with T, and C with G.
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which does not result in an economic impact associated with vessel oper…
The introduction of an aquatic nuisance species (ANS), such as the zebra mussel, attached to trailered boats that result in depleted populations of commercially valuable native sp…
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which helps prevent errors in dna replication? a. dna polymerase makes …
C. DNA polymerase checks the DNA for errors.
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which best describes the structure of a nucleotide? a. base, sugar ring…
A. Base, sugar ring, and phosphate
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what complementary strand of dna would be produced from the strand of d…
A. AGC CT
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question 5 of 10 if this strand of dna was used, what would be the comp…
A. GCT GA
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1\a\ is for \assassination\ a fanatic serb shot and killed the heir app…
El asesinato del Archiduque Francisco Fernando desencadenó la Gran Guerra.
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which of the following would cause an error in dna replication? a. dna …
C. The original DNA strands never being separated
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when is dna replicated in a cell? a. during interphase b. during s phas…
B. During S phase
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20. draw the reaction in which large molecules (polymers) are converted…
The reaction is hydrolysis. For drawing: Draw a polymer structure (e.g., for carbohydrates), add H₂O on the reactant side, and show the monosaccharide monomers on the product side…
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which shows a correctly paired dna molecule? a. tag ta atg cc b. tag ta…
D. TAG TA ATC AT
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what is the role of the helicase enzyme in dna replication? a. it break…
A. It breaks apart the bases.
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question 25 of 25 an organism that reproduces sexually has a diploid nu…
A. 25
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in the family tree below, people with the recessive trait of attached e…
A. It is a male with at least one dominant allele
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what is produced by meiosis? a. egg or sperm cells b. skin cells c. dip…
A. Egg or sperm cells
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what evidence did mendel find that supported his law of independent ass…
D. One trait does not affect whether another trait will be passed on
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a plant can have either brown (b) or red (b) leaves. brown is the domin…
D. Homozygous with brown leaves
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one trait a plant can have is either red leaves (r) or brown leaves (r)…
D. Red leaves, tall stems
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which is a non - mendelian trait? a. a trait with two alleles b. a trai…
B. A trait controlled by many genes
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what happens directly after prophase? a. anaphase b. metaphase c. telop…
B. Metaphase
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which best summarizes the findings of hershey and chase? a. dna carries…
A. DNA carries genetic material
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lysosomes at work how do lysosomes help white blood cells? by heat shoc…
C. assisting in the breakdown of bacterial cell walls
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which best describes the daughter cells produced by mitosis? a. they ar…
C. They are identical to the cell they formed from.
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animal cell at what point does post - translational modification of pro…
during the transfer from receiving to shipping
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question 15 of 20 which best describes the sex chromosomes in humans? a…
D. Males have two different chromosomes.
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ribosomes ribosomes can be found in two locations within the cell. free…
B. scattered through the cytoplasm
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which best describes the sex chromosomes in humans? a. males have two x…
D. Males have two different chromosomes.
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nucleus the nucleus acts as the command center of the cell, overseeing …
coordinating daily operations
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what are chromosomes made of? a. tetrads b. gametes c. carbohydrates d.…
D. DNA
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1.5.2 test (cst): computer - scored unit test the table below shows the…
A. Meerkat
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in a general eukaryotic cell, what are the two major parts? nucleus and…
D. nucleus and cytoplasm
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what is the defining characteristic of a prokaryotic cell? having a nuc…
not having a nucleus
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1.5.2 test (cst): computer - scored unit test. a plant can have either …
C. | | B | b | |--|--|--| | B | BB | Bb | | B | BB | Bb |
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in a certain plant, rough seeds (r) are dominant and smooth seeds (r) a…
A. rr
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in a certain plant, tough seeds (r) are dominant and smooth seeds (r) a…
A. rr
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how are mitosis and meiosis similar? a. they both increase the chromoso…
B. They both involve duplicating chromosomes
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why does sexual reproduction result in more genetic variation in a spec…
C. It mixes the chromosomes of the two parents.
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question 1 - 10: in humans, oxygen and carbon dioxide are exchanged bet…
simple diffusion
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having no dimples is a recessive trait in humans that is controlled by …
B. 2
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a cactus can either have long needles (l) or short needles (l). a cactu…
C. Three long, one short
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question 1 - 9. which of the following is a gel - like substance that s…
C. cytoplasm
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what happens during interphase? a. the spindles attach to chromatids b.…
D. The chromosomes are duplicated
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how are tumor cells different from normal cells? a. tumor cells are pro…
C. Tumor cells multiply too quickly
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question 1-7 what is the difference between eukaryotic and prokaryotic …
The correct option is: Eukaryotic cells contain organelles and DNA enclosed within a nucleus, while prokaryotic cells do not.
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what is the term for a male reproductive cell? a. mitosis b. chromosome…
C. Sperm
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which of the following structures are found in both plant and animal ce…
mitochondrion, cytoplasm, and nucleus
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6co₂ + 6h₂o chlorophyll plants perform a chemical reaction known as pho…
C. A new substance is produced during photosynthesis because photosynthesis is a chemical reaction. E. The number of oxygen (O) atoms is the same on the reactants and products sid…
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ticket 1.11 - enlightenment, revolution & nationalism: latin american r…
1. 2) Simón Bolívar 2. 1) Many regions of South America gained their independence between 1790 and 1828. 3. 4) Enlightenment and revolutionary ideas spread from Europe and the Uni…
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how did the great awakening develop ideas later found in the u.s. gover…
- promoted the idea of equality as opposed to hierarchy in government - many small groups, not only large denominations or factions, can secure freedoms, such as religious freedom…
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how does the mayflower compact reflect what the pilgrims hoped for thei…
The Pilgrims hoped to live through self governance within the community.
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what is used to rate the coarseness of a band saws blade? o teeth per i…
teeth per inch
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question 1 - 4 what is the difference between facilitated diffusion and…
B. Active transport uses ATP and moves substances against the concentration gradient; facilitated diffusion does not.
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question 1 - 4 a scientist grew an elodea plant in a freshwater aquariu…
The water within the cell moved through the cell membrane into the solution with the lower water concentration.
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puzzle #1 - ct basics 1. true or false: connective tissue is the most a…
1. True 2. False 3. D. Muscle 4. B. Sending nerve impulses through the body 5. B. They all develop from the same embryonic tissue 6. D. Mesenchyme 7. A. It is non - living and mad…
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puzzle #2 - ct proper pt.1 1. true or false: connective tissue proper i…
1. A. True 2. A. Areolar, reticular, adipose 3. C. Regular, elastic, irregular 4. B. Loose has many spaces in the matrix, dense has few spaces in the matrix 5. D. Areolar CT
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question 1-2 which of the following statements is not part of the cell …
Cells have at least one nucleus, which contains DNA.
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the respiratory system allows for the intake of ____________ in to the …
C. Oxygen
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multiple - choice question true of false: neurons are at the organ leve…
A. False
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you are a scientist and would like to know if a new fertilizer will hel…
The plants that get different amounts of the new fertilizer
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question 16 of 20 in which situation would it be more appropriate to us…
B. Writing to a former teacher to ask for a letter of recommendation
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which of the following does things does the nervous system does for you…
- Coordinates voluntary actions (THINGS YOU HAVE TO THINK ABOUT TO DO) - Coordinates involuntary actions (THINGS YOU DO NOT HAVE TO THINK ABOUT TO DO)
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which term describes when the earth spins on its axis. rotation revolut…
A. Rotation