Cell energy (Lowersixth science biology )Version en ligne Test your knowledge of ATP structure and function. par YAKILI LMS 1 What does ATP stand for? a Adenine Triphosphate b Adenosine Tetra Phosphate c Adenosine Triphosphate d Adenosine Triphosphate 2 What is the main function of ATP? a Cell division b Protein synthesis c Energy transfer in cells d DNA replication 3 What are the three main parts of ATP? a Adenine, Ribose, Three phosphate groups b Adenine, Glucose, Two phosphate groups c Adenine, Ribose, Two phosphate groups d Ribose, Lipids, Phosphate 4 Which part of ATP stores energy? a Adenine base b High-energy phosphate bonds c Phosphate group d Ribose sugar 5 What happens when ATP loses a phosphate group? a It becomes AMP b It becomes ATP again c It becomes ADP d It becomes ADP 6 Which element is NOT part of ATP? a Carbon b Calcium c Hydrogen d Nitrogen 7 Where in the cell is ATP mainly produced? a Chloroplast b Ribosome c Mitochondria d Nucleus 8 What type of bond holds the phosphate groups in ATP? a Peptide bonds b Hydrogen bonds c Ionic bonds d High-energy covalent bonds 9 Why is ATP considered the energy currency of the cell? a Because it stores genetic information b Because it transports oxygen c Because it produces enzymes d Because it provides energy for cellular processes 10 What molecule is formed after ATP releases energy? a ADP b AMP c ADP d ATP 11 What does ATP stand for? a Adenine Triphosphate b Adenosine Triphosphate c Adenosine Tetra Phosphate d Adenosine Diphosphate 12 What is the main role of ATP in cells? a Store genetic information b Transport oxygen c Build cell walls d Provide energy for cellular activities 13 Which part of ATP stores energy? a Ribose sugar b Phosphate group c High-energy phosphate bonds d Adenine base 14 What enzyme is involved in ATP hydrolysis? a Amylase b Protease c Lipase d ATPase 15 During ATP synthesis, which molecule donates phosphate groups? a ADP b ATP c Glucose d Pyruvate 16 What process regenerates ATP from ADP and phosphate? a Cellular respiration b Fermentation c Glycolysis d Photosynthesis 17 Where in the cell does ATP production mainly occur? a Nucleus b Chloroplast c Mitochondria d Ribosome 18 What is the primary energy source for ATP synthesis? a Carbon dioxide b Oxygen c Water d Glucose 19 What is the name of the cycle that produces ATP during cellular respiration? a Calvin cycle b Citric acid cycle c Krebs cycle d Light-dependent cycle 20 What happens to ATP after it releases energy? a It becomes ADP b It turns into glucose c It remains ATP d It becomes AMP 21 What molecule provides energy for ATP synthesis? a Glucose b Carbon Dioxide c Water d Oxygen 22 Why is ATP considered an efficient energy source? a It stores energy permanently b It releases energy in small, manageable amounts c It cannot be reused d It is the largest energy molecule 23 Which process produces most ATP in cells? a Photosynthesis b Cellular respiration c Fermentation d Protein synthesis 24 What part of the cell uses ATP directly? a Chloroplast b Ribosome c Mitochondria d Nucleus 25 Which molecule is recycled during ATP production? a DNA b ADP c Protein d RNA 26 What is the main energy currency in biological systems? a NADH b FADH2 c GTP d ATP 27 Which process converts glucose into ATP? a Fermentation b Photosynthesis c Glycolysis d Cellular respiration 28 What makes ATP a quick energy source? a It is not used in cells b It stores energy for long periods c It can release energy rapidly when needed d It is very stable 29 Which organelle is mainly involved in ATP production? a Nucleus b Mitochondria c Endoplasmic reticulum d Golgi apparatus 30 What process allows ATP to be reused after energy release? a Hydrolysis b Phosphorylation c Oxidation d Dehydration 31 What does ATP stand for? a Adenosine Tetra Phosphate b Adenosine Triphosphate c Adenosine Triphosphate d Adenosine Triphosphate 32 What is the main role of ATP in cells? a Transport oxygen b Store genetic information c Provide energy for cellular activities d Build cell walls 33 Which process uses ATP to power muscle contractions? a Photosynthesis b Protein synthesis c Cell division d Muscle contraction 34 ATP is produced during which process? a Photosynthesis b Cell respiration c Digestion d Fermentation 35 In which organelle is ATP mainly produced? a Mitochondria b Ribosome c Nucleus d Chloroplast 36 ATP supplies energy for which of these? a Protein folding b Cell signaling c DNA replication d Active transport 37 What molecule is broken down to release energy stored in ATP? a Glucose b Water c Carbon dioxide d Oxygen 38 ATP is recycled in cells through which process? a Photosynthesis b ATP synthesis c Fermentation d Decomposition 39 How many phosphate groups does ATP contain? a Four b Two c Three d Five 40 ATP is essential for which of these activities? a Protein synthesis b Cell division c DNA replication d Cell metabolism 41 What is ATP mainly used for in cells? a Storing genetic information b Transporting oxygen c Building cell walls d Providing energy for cell activities 42 What is DNA's primary role? a Carrying oxygen b Providing energy c Making proteins d Storing genetic information 43 Which molecule is a nucleotide? a ATP b Lipid c Carbohydrate d Protein 44 Does DNA contain the sugar deoxyribose? a Sometimes b No c Only in some cells d Yes 45 Is ATP a large or small molecule? a Large b Small c Very large d Medium-sized 46 Which element is common in both ATP and DNA? a Sodium b Calcium c Iron d Phosphorus 47 Does DNA have a double helix structure? a Yes b Sometimes c No d Only in some organisms 48 Is ATP involved in storing genetic information? a Sometimes b Only in some cells c No d Yes 49 Which molecule is used to transfer energy quickly? a Lipid b ATP c Protein d DNA 50 Are ATP and DNA both made of nucleotides? a Only DNA b Only ATP c No d Yes
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