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- 1. Multiple ChoiceIn red blood cells, a protein called ________ binds to oxygen.hemoglobinATPRNADNA
- 2. Multiple ChoiceThe building blocks of nucleic acids are called ...amino acidsnucleotidescarbohydratesproteins
- 3. Multiple ChoiceATP is...a unit of energy in the cella type of lipida molecule of DNA
- 4. Multiple ChoicePhospholipids have a _________ head and a __________ tail.hydrophilic, hydrophobichydrophobic, hydrophilic
- 5. Multiple ChoiceHydrophilic technically means...water-hatingwater-loving
- 6. Multiple ChoiceEnzymes are _________ that __________ chemical reactions.proteins, slow downproteins, speed uplipids, slow downlipids, speed up
- 7. Multiple ChoiceRNA is an example of a ...nucleic acidphosphate groupproteincarbohydrate
- 8. Multiple ChoiceThe cell membrane is formed mostly by...carbohydratesproteinsphospholipidsnucleic acids
- 9. Multiple ChoiceNucleotides are made up of three parts. The three parts are...DNA, RNA, and a sugara lipid, a fat, and an oila carbohydrate, a protein, and a fata sugar, a phosphate, and a base
- 10. Multiple ChoiceRegulatory substances that are in an organism are called...enzymeshormones
- 11. Multiple ChoiceCarbohydrates are made up of...monosaccharideslipidsoilsproteins
- 12. Multiple ChoiceA plant is an example of an autotroph because ...they make their own foodthey eat other organisms for food
- 13. Multiple ChoiceAmino acids are the subunits of ...proteinscarbohydratesnucleic acidslipids
- 14. Multiple Choice___________ are the main source of energy for cells.ProteinsLipidsNucleic acidsCarbohydrates
- 15. Multiple ChoiceMetabolism is the sum of an organism's chemical processes.TrueFalse
- Answer choicesTagsAnswer choicesTags