Biology A

Biology A: Final Exam 2023 with complete solution Which of the following shows a cell in metaphase of mitosis? XXX WRONG XXX Which elements, typically found in carbohydrates, would be expected to be used by the body to help make proteins and lipids? Select all that apply. carbon hydrogen XXX WRONG XXX sulfur What element is essential in helping our bodies break down substances found in our food? XXX WRONG XXX Digestive System What type of molecule is glucose? carbohyd...

Biology A: Unit 5 Exam Fall 2023 with complete solution Which image shows how ATP breaks down into ADP? XXX WRONG XXX When a biochemical reaction occurs, what is the chemical substance that results? product Which option correctly replaces the letters X and Y? A(n) X will bind to the Y of an enzyme so that the chemical reaction can occur. X: substrate Y: active site What must a phenylketonuria patient leave out of his or her diet? a specific amino acid The role of respiration is...

Biology A Unit 5: Lessons 27-30 Fall 2023 Questions and Answers Complete Lesson 27: Lesson 27: What is the chloroplast? The chloroplast is an organelle capable of photosynthesis. What are the products of photosynthesis? glucose and oxygen Study the image. Which label identifies the stroma in the chloroplast? C Where can the chlorophyll molecules used in photosynthesis be found? in the thylakoid membrane What is photosynthesis? XXX WRONG XXX a process by which energy from t...

Biology A Unit 5: Lessons 22-26 Fall 2023 Questions and Answers Complete Lesson 22: Lesson 22: What molecule is used to power cellular processes in cells? ATP What is the role of ATP in transport across a cell membrane? ATP is an energy molecule that helps with active transport. What statement is true about the relationship between ADP and ATP? Another phosphate group can be added to ADP to regenerate ATP. What results at the end of biochemical reactions that involve enzymes? product...

Biology A Unit 4: Lessons 15-21 Fall 2023 Questions and Answers Lesson 15: Lesson 15: Cells spend most of their time in which phase of the cell cycle? interphase Study the diagram. What two phases of the cell cycle include cell growth? G1 and G2 What are the locations in the cell cycle where proteins can initiate or stop the next phase of the cycle called? checkpoints In one phase of the cell cycle, the cells are no longer dividing. What is this phase called? G0 What is the re...

Biology A Unit 3: Lessons 11-14 Fall 2023 with complete solution Lesson 11: Lesson 11: Phospholipids line up so that their heads point outward, toward water, while their tails point inward. What is this double layer of phospholipids called? the lipid bilayer What does hydrophobic mean? lacking an affinity for, or attraction to, water Study the image. What type of membrane protein does label A point to? glycoprotein Which of these are functions of membrane proteins? Select ...

Biology A Unit 2: Lessons 6-10 Fall 2023 with complete solution Lesson 6: Lesson 6: Determine if the following statement is true or false. As cell size increases, the surface-area-to-volume ratio increases. False What is a cell? the smallest structural unit of living matter capable of independently carrying out life's processes What are leaves, stems, and roots all examples of? organs Which of the following are examples of human tissues? Select all that apply. epithelial co...

Biology A Unit 1: Lessons 1-5 Fall 2023 Questions and Answers Complete Lesson 1: Lesson 1: Which of the following statements describes a proton of an atom? has a positive charge and is located in the nucleus Study the model. This model shows an atom with two neutrons, one proton, and one electron. Which option shows the correct electrical charges? 2 blank red circles 1 yellow circle with P+ 1 blue circle with E- How is a carbon atom represented? Circle with a "C" on it This...

Biology A: Final Exam 2023 with complete solution Which of the following shows a cell in metaphase of mitosis? XXX WRONG XXX Which elements, typically found in carbohydrates, would be expected to be used by the body to help make proteins and lipids? Select all that apply. carbon hydrogen XXX WRONG XXX sulfur What element is essential in helping our bodies break down substances found in our food? XXX WRONG XXX Digestive System What type of molecule is glucose? carbohyd...

Biology A: Unit 5 Exam Fall 2023 with complete solution Which image shows how ATP breaks down into ADP? XXX WRONG XXX When a biochemical reaction occurs, what is the chemical substance that results? product Which option correctly replaces the letters X and Y? A(n) X will bind to the Y of an enzyme so that the chemical reaction can occur. X: substrate Y: active site What must a phenylketonuria patient leave out of his or her diet? a specific amino acid The role of respiration is...