1261.
The stomach:
A
does chemical digestion only
B
does mechanical digestion only
C
does both chemical and mechanical digestion
D
starts the chemical digestion of starchy foods
Loading practice questions
Browse topic-based Biology practice sets.
1757 practice sets · Page 64 of 88
The stomach:
does chemical digestion only
does mechanical digestion only
does both chemical and mechanical digestion
starts the chemical digestion of starchy foods
Heartburn is usually cause
by effects of gastric juice on the small intestine
stomach
heart
esophagus
What constituent of bile has a digestive function?
bile salts
cholesterol
bile pigments
electrolytes
Which cell structures are similar in the way they protect, support, and hold the other organelles together?
Cell Wall, cytoplasm, and lysosomes
Cell membrane, cytoplasm, and ribosomes
Cell wall, cell membrane, and cytoplasm
Cell membrane, chloroplasts, and nucleus
Which of the following does a plant cell have? I. cell membrane, II. cell wall, III.cytoplasm
II only
III only
II and III only
I, II, and III
Select a statement that best completes the phrase below. In a plant cell
there is one large vacuole that stores water and helps hold up the plant.
the vacuoles enter and leave through the cell membrane.
there are lots of small vacuoles.
there are no vacuoles.
What is a function of the nucleus of an animal cell?
It is the place where energy is produced.
It stores the genetic information, the DNA (chromosomes).
It defends the cell from infections.
It captures sunlight to produce food.
Select the statement that best describes the function of the cell wall.
It gives shape to plant cells
It produces food from sunlight
Its jelly like fluid surrounds the nucleus and most of the cells internal parts
It contains the cells nuclear material
Which organelle functions as the "powerhouse" of the cell by producing the energy necessary for all cell functions to occur?
cytoplasm
ribosomes
nucleus
mitochondria
Which ONE of the following correctly matches the organelle with its function?
cell wall: produces energy for the cell
nucleus: control center of the cell
cell membrane: gives rigid structure to the plant cell
chloroplasts: colorless, jelly-like substance that supports the other organelles
The fluid substance that holds the organelles of the cell is called the
cytoplasm
cell wall
nucleus
ribosome
What two organelles function as storage units; one for chemicals and the other for such things as food, water, and waste?
cytoplasm and vacuoles
vacuoles and cytoplasm
ribosomes and lysosomes
lysosomes and vacuoles
What features do plant cells have that animal cells lack?
Nucleus and cell membrane
cell wall and chloroplasts
cytoplasm and cell wall
cell membrane and chloroplasts
Which two plant cell structures work together, like security guards, for the cell?
Cytoplasm and Nucleus
Cell Membrane and Cell Wall
Nucleus and Oxygen
Oxygen and Cell Membrane
Which two plant cell structures are responsible for storing energy from sunlight and later releasing it for cells to use?
chloroplast and nucleus
mitochondria and cell wall
chloroplast and mitochondria
nucleus and cell wall
What is the organelle that is a small grain like structure where proteins are made?
cytoplasm
nucleus
ribosomes
Lysosomes
The most basic units of structure and function in all organisms are
cells
cell theory
organelles
ribosomes
All living things are composed of
cell theory
ribosomes
organelles
cells
When a cell structure is worn out or defective, which organelle is responsible for breaking down the material?
lysosome
cytoplasm
ribosome
nucleus
For successful grafting, stock and scion shall be
Of different species
Of same species
Of similar groups
Of different class