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Questions and Answers
Who among the proponents of Cell Theory inferred that cells come from pre-existing cells?
Who among the proponents of Cell Theory inferred that cells come from pre-existing cells?
- Rudolf Virchow (correct)
- Theodor Schwann
- Matthias Schleiden
- William Harvey
Eukaryotic cells are always unicellular.
Eukaryotic cells are always unicellular.
False (B)
What is the primary function of the Golgi apparatus?
What is the primary function of the Golgi apparatus?
Modify proteins and determine their destination in the cell
The products of photosynthesis are ______________ and ______________.
The products of photosynthesis are ______________ and ______________.
Which chemical bonding occurs when two ions of opposite charge attract each other?
Which chemical bonding occurs when two ions of opposite charge attract each other?
Match the following cell components with their functions:
Match the following cell components with their functions:
Chloroplasts are called the powerhouses of the cell.
Chloroplasts are called the powerhouses of the cell.
What percentage of a human body's mass is comprised of carbon, oxygen, hydrogen, and nitrogen?
What percentage of a human body's mass is comprised of carbon, oxygen, hydrogen, and nitrogen?
Plant cells store energy in the form of __________, and animal cells store energy in the form of __________.
Plant cells store energy in the form of __________, and animal cells store energy in the form of __________.
In third-degree (full-thickness) burns, the epidermis is not destroyed.
In third-degree (full-thickness) burns, the epidermis is not destroyed.
What is the main component of acid rain?
What is the main component of acid rain?
The presence of an unwanted impurity or constituent, which is not necessarily harmful but could be, in a material, physical body, or natural environment is known as __________.
The presence of an unwanted impurity or constituent, which is not necessarily harmful but could be, in a material, physical body, or natural environment is known as __________.
Which of the following fibrous elements gives a connective tissue high tensile strength?
Which of the following fibrous elements gives a connective tissue high tensile strength?
Match the following glands with their locations:
Match the following glands with their locations:
Dehydration occurs as a result of a third-degree burn.
Dehydration occurs as a result of a third-degree burn.
What type of sweat glands produces secretions that are broken down by bacteria to produce body odor?
What type of sweat glands produces secretions that are broken down by bacteria to produce body odor?
What is the effect of blue-green algae on drinking water?
What is the effect of blue-green algae on drinking water?
Chlorofluorocarbons are a naturally occurring greenhouse gas.
Chlorofluorocarbons are a naturally occurring greenhouse gas.
What is the effect of ocean acidification on marine organisms?
What is the effect of ocean acidification on marine organisms?
In the genetic cross Hh X Hh, the progeny will have a ratio of ________ tall: short.
In the genetic cross Hh X Hh, the progeny will have a ratio of ________ tall: short.
Match the following compounds with their properties:
Match the following compounds with their properties:
What is the result of a genetic cross between two F1-hybrid pea plants having yellow seeds in the F2 generation?
What is the result of a genetic cross between two F1-hybrid pea plants having yellow seeds in the F2 generation?
Mitosis involves the pairing of homologous chromosomes.
Mitosis involves the pairing of homologous chromosomes.
What is the effect of ocean acidification on the availability of calcium carbonate for marine organisms?
What is the effect of ocean acidification on the availability of calcium carbonate for marine organisms?
Study Notes
Cellular Energy Storage
- Plant cells store energy in the form of starch, and animal cells store energy in the form of glycogen.
Connective Tissue
- Collagen fibers give connective tissue high tensile strength.
Sweat Glands
- Apocrine sweat glands produce secretions that are broken down by bacteria to produce body odor.
Burns
- In third-degree (full-thickness) burns, both the epidermis and the dermis are destroyed, leading to loss of sensation in the burned area, but not increased sweating.
Pollution
- Pollution is the presence of an unwanted impurity or constituent, which is not necessarily harmful but could be, in a material, physical body, or natural environment.
Acid Rain
- Sulfuric acid and nitric acid are the main components of acid rain.
Cell Theory
- Rudolf Virchow inferred that cells come from pre-existing cells.
Human Body Composition
- Carbon, oxygen, hydrogen, and nitrogen comprise 96% of a human body's mass.
Prokaryotic and Eukaryotic Cells
- The primary difference between prokaryotic and eukaryotic cells is that a nucleus and other membrane-bound organelles are only present in eukaryotic cells.
- Eukaryotic cells are more than 100 to 10,000 times larger than prokaryotic cells and are much more complex.
Photosynthesis
- The products of photosynthesis are oxygen and glucose.
Cellular Organelles
- The Golgi apparatus can modify a protein and determine its destination in the cell.
Mitochondria
- Mitochondria are called the powerhouses of the cell because they directly provide ATP to the cell.
Chemical Bonding
- Ionic bond occurs when two ions of opposite charge attract each other.
Cell Cycle
- Centrioles play a role in the spindle apparatus of a dividing cell.
Algae and Drinking Water
- Blue-green algae can produce cyanotoxins that damage the liver, nervous system, and skin, affecting the drinking water consumed by living organisms.
Greenhouse Gases
- Chlorofluorocarbons are entirely anthropogenic in origin.
Ocean Acidification
- Ocean acidification affects aquatic life by reducing the availability of calcium carbonate, which is used to form shells and skeletons of many marine organisms.
Genetics
- A cross between Hh and Hh will result in 1:1 tall: short progeny.
- A genetic cross between two F1-hybrid pea plants having yellow seeds will yield 25% green-seeded plants in the F2 generation.
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Description
This quiz assesses knowledge on how plant and animal cells store energy and the characteristics of connective tissue. Identify the correct statements about energy storage and tensile strength in connective tissue.
