生物
細胞生物學、遺傳學、生態學與生命科學基礎。
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the codon gau codes for which amino acid? cua aspartate cta leucine
aspartate
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read the excerpt from chapter four of windows to the universe: revoluti…
"Even before"
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andrew carnegie______worker unions during the industrial revolution. fu…
disparaged
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if a strand of dna has the sequence cgtaa, the mrna made from this mole…
GCAUU.
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uag, uga, and uaa are all start codons. true false
B. FALSE
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question 6 1 pts which molecules are involved in translation? dna and r…
mRNA, tRNA, and rRNA
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how many codons comprise the genetic code? a 64 b 46 c 3 d 20
A. 64
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question 7 1 pts as transcription begins, rna polymerase binds to a seg…
promoter.
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the mechanism by which the end product of a metabolic pathway inhibits …
feedback inhibition.
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the entire genetic code consists of ______ amino acids and ______ codon…
d. 20, 64
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name these structures: a. ____________________ b. ____________________ …
A. Host cell B. Virus (Bacteriophage) 1. Adsorption 2. Injection 3. Synthesis and Assembly 4. Release
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in bacteria, the antibiotic tetracycline blocks the site where trna mol…
pre - vents the bacteria from assembling essential proteins.
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which of the following statements about enzyme - catalyzed reactions is…
The rate of the reaction is greater than when the same reaction occurs in the absence of an enzyme.
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refer to the following information on the genetic code. use this inform…
4
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question 3 1 pts when dna is copied to make rna, this process is called…
transcription
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question 2 1 pts during translation, o one trna molecule works with pai…
one mRNA molecule works with several rRNA molecules and many tRNA molecules to produce a protein.
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which of the following processes would be an example of a catabolic pat…
providing energy that can be used to drive cellular work
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question 12 the electrochemical gradient across a membrane would genera…
C. a hydrogen ion pump
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using the following mrna sequence and chart, write down the correspondi…
ile - ala - ser - ser - leu
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which of the following types of signaling is represented in this figure…
synaptic
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uaa, uga, and uag are all ________________ codons. enter the answer che…
stop
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question 11 of 20 read the following excerpt from the the love song of …
A. It is written in a way in which the same idea flows from one line to the next.
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match each term with its best description or definition. rna polymerase…
- RNA polymerase: The key enzyme used during transcription - tRNA: carries a specific amino acid to the ribosome - mRNA: product of transcription that carries gene information to …
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immediately after a membrane receptor protein binds to its ligand, whic…
The membrane receptor protein undergoes a conformational change.
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the genetic code is redundant because a single amino acid may be coded …
codon
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what part of the plant soaks up water for photosynthesis? stem leaf roo…
roots
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where do the reactions of photosynthesis take place in autotrophs? mito…
Chloroplast
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the codon ______ codes for methionine to signal for translation to begi…
AUG
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the genetic code is composed of what? a a sequence of nitrogen bases. b…
A. A sequence of nitrogen bases.
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the transfer of a phosphate group to a molecule or compound is called..…
phosphorylation.
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what did you learn? question 1 of 10 which of these are long - term imp…
It's easier to pay for major purchases like cars, houses, and education.
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genetic information is present in ____. a lipids b dna c proteins
B. DNA
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where does the energy for plants to perform photosynthesis come from? s…
sunlight
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question 8 of 20 read the following excerpt from the poem spring by edn…
C. It makes April seem to the speaker like a mindless person to emphasize the contradictions of the month.
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question 6 apoptosis is... a disorder in humans that results in abnorma…
pre - programmed cell death.
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what is the chemical equation for photosynthesis? choose the best answe…
$6\ce{CO2}+6\ce{H2O}\to\ce{C6H12O6}+6\ce{O2}$ (the first option)
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internal doubts or moral dilemmas physical battles external challenges …
Person vs. Nature
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a character fighting themselves a character challenging society a chara…
- Direct opposition between two characters - To understand character development and story structure - Internal doubts or moral dilemmas
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question 4 the primary structural components of the cell membrane are .…
phospholipids and proteins
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which conflict type involves a character battling against technological…
- Person vs. Technology - It prevents the character from easily achieving their goal - A struggle against an outside force
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the difference between pinocytosis and receptor - mediated endocytosis …
pinocytosis is nonselective in the molecules it brings into the cell, where as receptor - mediated endocytosis is highly selective.
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question 2 water can move quickly through the plasma membrane of some c…
it moves through aquaporin channel proteins.
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what defines a protagonist in a literary (story/poem) work?*a backgroun…
- First Question: The central character whose goals drive the main conflict - Second Question: Person vs. Self - Third Question: Dynamic characters change over time, static charac…
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based of the fluid mosaic model of cell membranes, which of the followi…
they can move laterally along the plane of the membrane.
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what are the reactants of cellular respiration? oxygen and glucose carb…
oxygen and glucose
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the main source of energy for all life comes from ---------- the sun th…
the Sun
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true or false: cellular respiration is a chemical reaction. true false
True
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cellular respiration is... the process by which cells communicate with …
the process by which cells break down glucose into energy.
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question 9 1 pts the final electron acceptor of the electron transport …
oxygen.
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the h in the infographic refers to the hemagglutinin gene. there are at…
The hemagglutinin genes have different sequences.
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2. use these terms to complete the statement explaining how enzymes car…
Enzymes are proteins that help break chemical bonds, as well as form new ones. Enzymes require specific environmental conditions related to temperature and pH to properly function…
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which metabolic pathway is common to both fermentation and cellular res…
glycolysis
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multiple choice: choose the best answer. 19. what was the authors main …
19. B. To inform the reader of the events of the Salem Witch Trials. 20. C. Many events occurred that caused Puritans to believe evil was at work. 21. A. Frenzy 22. B. Informative…
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question 7 what is the primary function of beta oxidation in respiratio…
breakdown of fatty acids
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question 5 which of the following would be found only in rna? deoxyribo…
ribose and uracil
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question 6 what are the products of the light reactions of photosynthes…
ATP and NADPH
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true or false?: the products of photosynthesis are the reactants for ce…
True
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question 4 1 pts the importance of trna is that it o contains codons th…
carries a specific amino acid to the mRNA and the ribosome.
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which of the following statements is the correct distinction between au…
autotrophs, but not heterotrophs, can nourish themselves beginning with \(CO_2\) and other nutrients that are inorganic.
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question 3 1 pts if a particular segment of dna has the base sequence t…
A. UAC
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which organelle does cellular respiration happen in? mitochondria nucle…
Mitochondria
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if you exposed a photosynthesizing plant to water that contains both ra…
H in glucose and water; O in water and O2
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question 3 which of the following events occurs in the light reactions …
Light is absorbed and transferred to reaction - center chlorophyll.
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question 2 1 pts it is possible for a mutation to occur and yet not alt…
the new codon encodes the same amino acid.
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1.use these terms to complete the statement explaining how living thing…
glucose, photosynthesis, ATP, cell processes, cellular respiration
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what is the formula for cellular respiration? 6co2+6h2o+light energy-->…
C. \(C6H12O6 + 6O2 \to 6CO2+6H2O + ATP\)
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question 1 1 pts the sugar molecule present in rna is ribose. uracil. d…
ribose.
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what color of light is least effective in driving photosynthesis? expla…
Green light is least effective in driving photosynthesis. Chlorophyll (the main pigment in photosynthesis) reflects green light rather than absorbing it for the photosynthetic pro…
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what are the products of photosynthesis? water and carbon dioxide oxyge…
oxygen and glucose
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which of the following statements correctly summarizes a redox reaction…
CO₂ is reduced to form glucose.
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photophosphorylation in photosynthesis is most similar to which of the …
oxidative phosphorylation in mitochondria
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read the excerpt from gilgamesh: a new english version. gilgamesh felt …
He demonstrates bravery and takes risks.
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mutations help in evolution because: a they increase genetic variation …
C. Both A and B
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which is an example of a genetic disorder caused by a mutation in a sin…
A. Cystic Fibrosis
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which of the following trait(s) is found in nearly all organisms on ear…
DNA, mRNA, the genetic code
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name date the salem witch trials the salem witch trials took place in s…
1. a. Salem, Massachusetts 2. b. Gallows Hill 3. d. witchcraft 4. Convulsive ergotism 5. Sarah Osborn 6. Dorcas Good 7. William Griggs 8. True 9. True 10. False
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what is the relationship between glucose produced in photosynthesis and…
Glucose produced in photosynthesis is used in cellular respiration
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match each type of rna to its role in translation. assists in covalentl…
- tRNA: escort for new amino acids - mRNA: template for synthesis of protein - rRNA: assists in covalently bonding amino acids together to make a protein
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the genetic code, which specifies the amino acids coded for by specific…
tyrosine
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the genetic code, which specifies the amino acids coded for by specific…
leucine, glycine, stop codon, methionine
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a mutation always causes a mutant phenotype - i.e. an observable change…
FALSE
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how do animal cells obtain glucose? from consuming food by producing it…
From consuming food
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a genetic disease is a condition caused by in one or more genes.
mutations (or genetic abnormalities)
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what role does atp play in cellular activities? it is used in photosynt…
It provides energy for cellular activities
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a particular protein is responsible for dark spots on a butterfly wing.…
- Correct Answer(s): decreased rates of mRNA breakdown, increased rates of translation - Incorrect Answer(s): decreased rates of transcription, increased rates of protein breakdown
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mutations are likely to become more common in a population through natu…
Beneficial
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what role does atp play in cellular activities? it is used in photosynt…
It provides energy for cellular activities
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mutations increase __________ variation and the potential for individua…
genetic
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is a disease often caused by harmful mutations where cells grow out of …
Cancer
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they have bare skin around their eyes and at the base of their bills, w…
A. It introduces an animal species and then lists ways that species has adapted to its environment.
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types of symbiosis 12 sso art: science 2025 - 10 - 03, 2025 - 12 - 19, …
1. Mutualism; both; benefit 2. Commensalism; helped; harmed 3. Parasitism; benefits; harmed
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is a disease in which cells grow out of control and form abnormal masse…
Cancer
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the monster let out a deafening cry, his roar boomed forth like a blast…
He receives help from the supernatural.
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how are photosynthesis and cellular respiration related? they are inter…
They are interdependent processes
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match each type of rna to its best description(s). rna types may match …
- rRNA: can be found in cytoplasm, ribosomal component - mRNA: can be found in cytoplasm, contains codons - tRNA: contains anticodons, can be found in cytoplasm
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which rna has a clover leaf structure? a trna b rrna c mrna d none of t…
A. tRNA
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match each type of rna to its best description(s). rna types may match …
- contains anticodons: tRNA - can be found in cytoplasm: rRNA, mRNA, tRNA - ribosomal component: rRNA - contains codons: mRNA
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which of the following carries information from dna for translation? a …
C. mRNA
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which of the following is not a product of cellular respiration? atp wa…
D. Glucose
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translation can be described as a the transfer of genetic instructions …
C. the process in which the genetic code in mRNA is read to make a protein.