WorksheetsGen. Biology 1 - Final Exams Reviewer
Total questions: 15
Worksheet time: 8mins
Which of the following structures serve as the cell’s boundary from its environment?
Cell Membrane
Channel protein
Cytoplasm
Mitochondrion
Which of the following is a function of the cell membrane?
It keeps the cell wall in place.
It stores water, salt, proteins, and carbohydrates
It breaks down lipids, carbohydrates, and proteins from food.
It regulates what substances enter and what substances leave the cell.
Which of the following components of cell membrane help maintain the membrane fluid consistency?
Carbohydrates
Cholesterol
Phospholipids
Membrane proteins
What makes phospholipid an effective structure to regulate the movement of water and dissolved substances in and out of the cell?
Amino acids
Fatty acids and glycerol
Glucose
Nucleic acid
What can be found on the outside surface of cell membranes and are attached either to proteins or lipids, forming glycoprotein or glycolipid?
Carbohydrates
Cholesterol
Phospholipids
Membrane proteins
What is being used to describe cell membrane which means they are made of various tiny molecules that are not rigidly locked into place?
Fluid mosaic
Fluid permeable
Lipid bilayer
Selective permeable
If the concentration of water inside the cell is 75% and the concentration of water outside the cell is 85%, what would be the mechanism of water?
Flow into the cell & cause it to swell
Flow out of the cell & cause it to swell
Flow into the cell & cause it to shrink
Flow out of the cell & cause it to shrink
Which of the following requires no energy from the cell, allows particles to move in or out of the cell with their concentration gradient?
Active transport
Passive transport
Pinocytosis
Phagocytosis
How do enzymes speed up chemical reaction?
Decreasing activation energy
Increasing activation energy
Decreasing deactivation energy
Increasing deactivation energy
Each enzyme only has 1 substrate that will fit its active site. What is this property called?
Denuration
Fragility
Reusability
Specificity
What do you call the new molecules or substances released by the enzymes?
Active site
Aciticator
Substacts
Product
What are the parts of the ATP molecule?
Adenine bonds to ribose
Adenine, ribose, phosphate groups
Stroma, grana, chlorophyll
NADH, NAHPH, FADH
Which of the following pH levels will most likely NOT affect enzyme activity?
7
12
2 (very low pH)
14 (very high)
When does energy released from ATP?
Adenine bonds to ribose
ATP is exposed to sunlight
A phosphate group is added
A phosphate group is removed
Which toxicity of cellular environment do plant cells prefer?
isotopic
Reijale
Reactant of chemical reaction
A phosphate group is removed
