Expert Physics Tutoring

MS1

- Cell membrane: Thin layer surrounding the cell, separating it from its surroundings (1)

- Function: Regulates the passage of substances into and out of the cell (1)

MS2

- Prokaryotic ribosomes are smaller (70S) than eukaryotic ribosomes (80S) (1)

- Prokaryotic ribosomes are free in the cytoplasm, while eukaryotic ribosomes are found either free or attached to the endoplasmic reticulum (1)

- Eukaryotic ribosomes have a more complex structure than prokaryotic ribosomes (1)

MS3

- Site of cellular respiration (1)

- Generate most of the cell's ATP (energy) (1)

- Contain their own DNA (1)

- Involved in apoptosis (programmed cell death) (1)

MS4

- Magnification: Enlarges the image of the cell (1)

- Resolution: Ability to distinguish between two closely spaced objects (1)

- Higher magnification and resolution allow for more detailed observations of cell structures (1)

MS5

- Replication of the bacterial chromosome (1)

- Formation of a septum dividing the cell (1)

- Separation of the two identical daughter cells (1)

MS6

- Prevents contamination of the culture with other microorganisms (1)

- Ensures accurate experimental results (1)

- Protects the experimenter from potentially harmful microorganisms (1)

- Maintains a sterile environment (1)

MS7

- Carry the cell's genetic material (1)

- Responsible for transmitting genetic information to daughter cells during cell division (1)

MS8

- Diffusion: Movement of molecules from an area of high concentration to low concentration (1)

- Osmosis: Diffusion of water across a selectively permeable membrane (1)

- Water moves from an area of high water potential to low water potential (1)

MS9

- Active transport moves molecules against a concentration gradient (1)

- Requires energy (ATP) (1)

- Carried out by membrane proteins (1)

- Essential for maintaining cell homeostasis (1)

MS10

- Division and specialization of cells lead to different cell types with specific functions (1)

- These specialized cells form tissues with specific roles (1)

- Cell differentiation is regulated by genes and environmental cues (1)