What is the main function of the cell membrane?
The cell membrane is where the organelles are suspended.
The cell membrane is the main source of the energy of the cell.
The cell membrane’s main function is to produce proteins needed for cell activities.
The cell membrane acts as a gatekeeper, and controls and ensures the movements of substances in and out of the cells.
Which of the following is the main function of the Vesicles?
a. Storage and transport, digestive function in plant cells.
b. Modifies, sorts, tags, and packages and distributes lipids and proteins
c. Separates the cell from the external environment, and controls the passage of organic molecules, ions, water, and oxygen.
d. Maintain cell shapes, secure organelles in a specific position allow cytoplasm and vesicle to move within the cell.
Why cell membrane is selectively permeable?
a. It helps the cell to maintain its shape and structures.
b. Because a cell must allow all the molecules and other substances to enter inside the cells.
c. It helps the cells to produce protein and to sustain the metabolic process inside the cells.
d. Because having characteristics of selectively permeable helps the cells protect themselves from harmful viruses and bacteria.
Why mitochondria is considered the powerhouse of the cells?
a. Because mitochondria produce protein for cell metabolic processes.
b. Because mitochondria produce protein for cell metabolic processes.
c. Because mitochondria produce DNA that contains the genetic materials of an organism.
d. Because mitochondria produce ATP that serves as fuel for the metabolic process of the cells.
Which of the following statement BEST describes cilia?
a. Hair like structure for locomotion of microorganism.
b. Tail like structure for locomotion of microorganism.
c. Cytoskeleton structure for locomotion of microorganism.
d. Round structure for locomotion of microorganism and other prokaryotic.
Which of the following statement BEST describes flagella?
a. Hair like structure for locomotion of microorganism.
b. Tail like structure for locomotion of microorganism.
c. Cytoskeleton structure for locomotion of microorganism.
d. Round structure for locomotion of microorganism and other prokaryotic.
What is the CORRECT order of mitotic phases?
a. Prophase ->metaphase -> anaphase ->telophase
b. Anaphase -> metaphase ->prophase -> telophase
c. Telophase ->prophase -> metaphase -> anaphase
d. Metaphase ->anaphase -> telophase ->prophase
8. Which of the following is NOT a reason why cell divide?
a. Reproduction
b. Growth and development
c. Repair of damaged tissues
d. None of the above
After three rounds of mitosis, how many new cells are created from one parent cell?
a. 4
b. 8
c. 16
d. 20
Which of the following is NOT occurring during interphase?
a. Cell growth
b. DNA replication
c. Chromatin condensing
d. Two new cells are made
What organelle is responsible for protection of the cell?
a. Cell membrane
b. Cytoskeleton
c. Mitochondria
d. Nucleus
What is the main function of the cell membrane?
a. Provide energy for other organelles.
b. Provide genetic information for the cell.
c. Provide protection and control what comes in and out the cell.
d. Provide an important structure to support and maintain the shape of the cell.
Roberto’s assignment is to observe cell membrane structure. Based on his observation the cell membrane has a phospholipid bilayer. Can you help Roberto in writing explanation about the importance o
a. The polar heads facing closet toward the water and nonpolar tails far from water, this phospholipid formation can create a barrier.
b. The phospholipid bilayer helps the cell membrane in dissolving macro molecules.
c. The phospholipid bilayer helps the cell membrane in dissolving micro molecules.
d. The non-polar heads facing the closet toward the water and polar tails far from water, this phospholipid formation bilayer?
Mr. Dela Cruz is a Cell Biologist who study the structure of the cell membrane. While reading his favorite book he found out the 3 (three) important characteristics of molecules that affects their abi
a. In general, small, non-charged lipid-soluble molecules can easily cross the cell membrane. Large molecules and those with charges have difficulty crossing the cell membrane.
b. In general large, charged and soluble molecules can easily cross the cell membrane. Small, non-charge lipid and soluble have difficulty crossing the cell membrane.
c. In general, small, non-charged lipid-soluble molecules have difficulty cross the cell membrane. Large molecules and those with charges can easily cross the cell membrane.
d. In general, small, non-charged molecules can easily cross the cell membrane. Large molecules and those with charges/ lipid-soluble have difficulty crossing the cell membrane.
What are the differences between the observation of Anton Van Leeuwenhoek and Robert Hooke?
a. Anton Van Leeuwenhoek observed dead cells while Robert Hooke saw a living cell under his microscope
b. Anton Van Leeuwenhoek observed living cells under his microscope while Robert Hooke saw dead cells.
c. Anton Van Leeuwenhoek observed the piece of cork while Robert Hooke observed Animalcules under his microscope.
d. The observation of Anton Van Leeuwenhoek and Robert Hooke is almost the same.
Which of the following statements is NOT TRUE about cell theory?
a. All living things are made of cells.
b. Cells come from existing cells.
c. All cells contain the same organelles.
d. Cells are the basic structure and function in all living things.
What are the differences between the contribution of Theodor Schwann and Matthias Schleiden to the development of cell theory?
a. Schwann stated that all animals are made up of cells while Matthias Schleiden stated that all plants are made up of cells.
b. Matthias Schleiden stated that all animals are made up of cells while Schwann stated that all plants are made up of cells.
c. Schwann stated that all living things are made up of cells while Matthias Schleiden stated that cells are the basic unit of life.
d. Schwann stated that all living things are made up of cells while Matthias Schleiden stated that cells are the basic unit of life.
Why Anton Van Leeuwenhoek is considered the father of microbiology?
a. Because of his contribution to the field of microbiology.
b. Because he was able to observe a lot of living organisms.
c. Because he observed living cells under the microscope and called them “animalcules”
d. Because of his contribution to the field of microbiology, specifically he discovered protists and bacteria
Mr. Robert is a Science teacher he explained cell organelles using an analogy wherein the ribosome is like a factory worker or machine and the cytoskeleton is the walls and roof of the factory. Why
a. Because like a factory worker, ribosomes produced protein as their main products
b. Because like a factory worker, ribosomes are responsible to produced DNA as their main product
c. Because like a factory worker, ribosomes are responsible to produced ATP as their main product.
d. Because like a factory worker, ribosomes are responsible to produced RNA as their main product.
CSTC is planning to celebrate Science Month, one of the suggested activity is to observe different slides and microorganisms. What instrument is needed to prepare in observing living organisms tha
a. Endoscope
b. Microscope
c. Statoscope
d. Telescope
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