AP Biology Essentials Mini Quiz

Froggy Jumps

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Core bio concepts test

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Alexis Romero

United States

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AP Biology Essentials Mini Quiz


Froggy Jumps AP Biology Essentials Mini QuizVersion en ligne Core bio concepts test par Alexis Romero 1 Which organelle is the site of aerobic cellular respiration in eukaryotic cells? a Ribosome b Chloroplast c Mitochondrion 2 What molecule donates electrons to the electron transport chain? a ATP b NADH c FADH2 3 Which process converts glucose to pyruvate in the cytoplasm? a Glycolysis b Fermentation c Krebs cycle 4 Which pigment is primarily responsible for photosynthesis in plants? a Chlorophyll a b Carotene c Anthocyanin 5 What is the final electron acceptor in cellular respiration? a Sulfur b Oxygen c Nitrate 6 Which stage of mitosis involves sister chromatids separation? a Prophase b Metaphase c Anaphase 7 What is the product of meiosis in animals? a Somatic cells b Gametes c Diploid zygotes 8 Which gas is a major byproduct of photosynthesis? a Oxygen b Carbon dioxide c Nitrogen 9 Which molecule carries genetic information from DNA to ribosomes? a tRNA b mRNA c rRNA 10 What is the basic unit of heredity? a Gene b Allele c Chromosome 11 Which process increases genetic variation through crossing over? a Prophase I of meiosis b Mitosis c Meiosis II 12 Which enzyme unzips DNA during replication? a Ligase b DNA helicase c DNA polymerase 13 What holds sister chromatids together? a Tubulin b Cohesin proteins c Kinase 14 Which molecule forms the backbone of DNA? a Deoxyribose sugar b Ribose sugar c Glucose 15 Which base pair aligns with Cytosine in DNA? a Uracil b Adenine c Guanine 16 Which phase of the cell cycle is continuous growth and normal function? a S phase b M phase c Interphase 17 What is the role of ribosomes? a Protein synthesis b Lipid synthesis c DNA replication 18 Which macromolecule is most directly used for energy? a Nucleic acids b Carbohydrates c Proteins 19 Which type of RNA carries amino acids during translation? a tRNA b rRNA c mRNA 20 Which organelle synthesizes proteins destined for export? a Rough endoplasmic reticulum b Golgi apparatus c Lysosome 21 Which process decreases population size due to random events? a Gene flow b Genetic drift c Natural selection 22 What is a haploid cell? a A diploid embryo b A cell with two sets of chromosomes c A cell with one set of chromosomes 23 Which term describes a stable allele frequency in a population? a Mutation b Genetic drift c Hardy-Weinberg equilibrium 24 What is the function of mitochondria in metabolism? a Photosynthesis b ATP production c Protein synthesis 25 Which molecule stores energy temporarily in cells? a NADH b ATP c ADP 26 Which process fixes atmospheric nitrogen into a usable form for plants? a Nitrogen reduction b Ammonification c Nitrogen fixation 27 What is the product of transcription? a mRNA b rRNA c tRNA 28 Which part of the plant absorbs most light for photosynthesis? a Chloroplasts in mesophyll cells b Vacuoles c Roots 29 Which biome is characterized by a temperate climate and diverse deciduous trees? a Desert b Tundra c Temperate forest 30 Which gas increases due to combustion and affects climate? a Oxygen b Carbon dioxide c Methane 31 Which organ system transports nutrients, gases, and wastes? a Endocrine system b Nervous system c Circulatory system 32 What is homeostasis? a Cell division b Evolution over time c Maintenance of stable internal conditions 33 Which kidney structure filters blood? a Neural tube b Hepatocyte c Nephron 34 Which theory explains natural variation and differential survival? a Genetic drift b Natural selection c Lamarckism 35 Which substance do plants release as a waste product? a Water vapor b Oxygen (photosynthesis) c Carbon dioxide 36 Which lipid forms a barrier in cell membranes? a Triglycerides b Steroids c Phospholipids 37 Which organelle contains its own DNA? a Golgi b Mitochondrion (and chloroplasts in plants) c Ribosome 38 Which term describes a trait controlled by multiple genes? a Polygenic trait b Pleiotropic trait c Monogenic trait 39 Which process brings large particles into a cell? a Osmosis b Exocytosis c Endocytosis 40 Which molecule forms the structural framework of cell membranes? a Proteins b Phospholipids c Carbohydrates 41 What is the primary energy currency in cells? a FADH2 b ATP c NADH 42 Which enzyme binds to promoter to start transcription in prokaryotes? a RNA polymerase b DNA polymerase c Ligase 43 Which process yields NADH and FADH2 for the electron transport chain? a Glycolysis b Fermentation c Krebs cycle (citric acid cycle) 44 Which cycle regenerates NAD+ during anaerobic respiration? a Fermentation b Krebs cycle c Oxidative phosphorylation 45 Which organism performs photosynthesis? a Only animals b Plants, algae, some bacteria c Fungi 46 What is the term for one species evolving into many? a Genetic drift b Adaptive radiation c Convergent evolution 47 Which molecule carries amino acids to ribosome? a tRNA b mRNA c rRNA 48 Which pigment reflects green light in plants? a Xanthophyll b Chlorophyll b (and a) c Carotene 49 Which domain includes multicellular, photosynthetic organisms? a Archaea b Eukarya c Bacteria 50 Which process distributes offspring to new habitats? a Dispersal b Genetic drift c Mutation 51 Which term describes a gene with multiple phenotypic effects? a Codominance b Pleiotropy c Epistasis 52 Which part of a cell contains enzymes for digestion? a Lysosome b Nucleus c Golgi 53 Which molecule is not a nucleotide? a Cytosine b Glucose c Adenine 54 Which process increases variation by combining alleles? a Asexual reproduction b Sexual reproduction c Mutation 55 What is the regulatory region of a gene called? a Enhancer b Operator c Promoter 56 Which organelle modifies and packages proteins? a Ribosome b Golgi apparatus c Vacuole 57 Which substance has a negative control in gene expression? a Activator b Enhancer c Repressor protein 58 Which type of selection favors intermediate phenotypes? a Disruptive selection b Directional selection c Stabilizing selection 59 What connects bone to bone at joints? a Cartilage b Tendons c Ligaments 60 Which part of the neuron conducts impulses away from the cell body? a Nucleus b Axon c Dendrite 61 Which term describes a symbiotic relationship where both benefit? a Parasitism b Mutualism c Commensalism 62 Which macromolecule builds cell membranes and hormones? a Lipids b Nucleic acids c Proteins 63 Which molecule controls cell activities by regulating gene expression? a Proteins (transcription factors) b Carbohydrates c Lipids 64 Which process moves water across a selectively permeable membrane? a Diffusion b Osmosis c Active transport 65 What is a population's gene pool? a All alleles in the population b Only dominant alleles c An individual’s genes 66 Which cellular process produces ATP with oxygen? a Fermentation b Glycolysis c Oxidative phosphorylation (ETC) 67 Which component of blood carries oxygen? a Hemoglobin b Fibrinogen c Albumin 68 Which molecule is a catalyst in biological systems? a Hormone b Enzyme c Antibody 69 Which type of isolation can lead to speciation? a Temporal isolation b Reproductive isolation c Geographic isolation 70 Which organ removes waste from the bloodstream? a Liver b Lungs c Kidneys 71 Which enzyme directly reads DNA to synthesize mRNA in transcription? a Ligase b DNA polymerase c RNA polymerase 72 What must bind to DNA promoter to start transcription in prokaryotes? a tRNA b Ribosome c RNA polymerase (with sigma factor) 73 Which RNA molecule is translated into a protein? a rRNA b tRNA c mRNA 74 Where does RNA processing occur in eukaryotes before translation? a Ribosome b Cytoplasm c Nucleus 75 What is the role of ribosomes in gene expression? a Replicate DNA b Transcribe RNA c Translate mRNA into a polypeptide 76 Which molecules bring amino acids to the ribosome? a rRNA b tRNA c mRNA 77 Which level of regulation acts after transcription to adjust gene expression? a Transcriptional regulation b DNA replication c Post-transcriptional/post-translational regulation 78 Which operon model illustrates bacterial gene regulation in response to lactose? a Gal operon b Lac operon c Trp operon 79 In eukaryotes, what modifies pre-mRNA to mature mRNA? a Splicing and 5' cap / 3' poly-A tail addition b Ribosome attachment c DNA replication 80 Which event marks the start of translation at the codon AUG? a Initiation with start codon and initiator tRNA b Termination at stop codon c Elongation of polypeptide 81 Which process copies DNA sequence into a complementary RNA strand? a Replication b Transcription c Translation 82 Where does transcription primarily occur in eukaryotic cells? a Nucleus b Cytoplasm c Ribosome 83 What is the primary product of transcription? a rRNA b tRNA c mRNA 84 What happens to pre-mRNA before it leaves the nucleus? a RNA editing only b Splicing to form mature mRNA c Capping and polyadenylation only 85 What essential step processes mRNA after transcription? a 5' cap and 3' poly-A tail added b Ribosome assembly c Introns removed only 86 Where does translation take place? a Nucleus b Ribosome (cytoplasm or ER-bound) c Nucleolus 87 Which molecule is read in codons during translation? a rRNA b mRNA c tRNA 88 What delivers amino acids during protein synthesis? a mRNA b rRNA c tRNA 89 What marks the start codon in mRNA? a AUG b UGA c UAA 90 What kind of modification often occurs after protein synthesis? a Transcriptional regulation b DNA replication c Post-translational modification

AP Biology Essentials Mini Quiz

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AP Biology Essentials Mini QuizVersion en ligne

par Alexis Romero

Which organelle is the site of aerobic cellular respiration in eukaryotic cells?

What molecule donates electrons to the electron transport chain?

Which process converts glucose to pyruvate in the cytoplasm?

Which pigment is primarily responsible for photosynthesis in plants?

What is the final electron acceptor in cellular respiration?

Which stage of mitosis involves sister chromatids separation?

What is the product of meiosis in animals?

Which gas is a major byproduct of photosynthesis?

Which molecule carries genetic information from DNA to ribosomes?

What is the basic unit of heredity?

Which process increases genetic variation through crossing over?

Which enzyme unzips DNA during replication?

What holds sister chromatids together?

Which molecule forms the backbone of DNA?

Which base pair aligns with Cytosine in DNA?

Which phase of the cell cycle is continuous growth and normal function?

What is the role of ribosomes?

Which macromolecule is most directly used for energy?

Which type of RNA carries amino acids during translation?

Which organelle synthesizes proteins destined for export?

Which process decreases population size due to random events?

What is a haploid cell?

Which term describes a stable allele frequency in a population?

What is the function of mitochondria in metabolism?

Which molecule stores energy temporarily in cells?

Which process fixes atmospheric nitrogen into a usable form for plants?

What is the product of transcription?

Which part of the plant absorbs most light for photosynthesis?

Which biome is characterized by a temperate climate and diverse deciduous trees?

Which gas increases due to combustion and affects climate?

Which organ system transports nutrients, gases, and wastes?

What is homeostasis?

Which kidney structure filters blood?

Which theory explains natural variation and differential survival?

Which substance do plants release as a waste product?

Which lipid forms a barrier in cell membranes?

Which organelle contains its own DNA?

Which term describes a trait controlled by multiple genes?

Which process brings large particles into a cell?

Which molecule forms the structural framework of cell membranes?

What is the primary energy currency in cells?

Which enzyme binds to promoter to start transcription in prokaryotes?

Which process yields NADH and FADH2 for the electron transport chain?

Which cycle regenerates NAD+ during anaerobic respiration?

Which organism performs photosynthesis?

What is the term for one species evolving into many?

Which molecule carries amino acids to ribosome?

Which pigment reflects green light in plants?

Which domain includes multicellular, photosynthetic organisms?

Which process distributes offspring to new habitats?

Which term describes a gene with multiple phenotypic effects?

Which part of a cell contains enzymes for digestion?

Which molecule is not a nucleotide?

Which process increases variation by combining alleles?

What is the regulatory region of a gene called?

Which organelle modifies and packages proteins?

Which substance has a negative control in gene expression?

Which type of selection favors intermediate phenotypes?

What connects bone to bone at joints?

Which part of the neuron conducts impulses away from the cell body?

Which term describes a symbiotic relationship where both benefit?