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Hierarchy of Structures
Lowest Hierarchy level is at Organelles within a cell. They obtain
energy from food and reproduction.
-Cells with the same function are collected into larger groups
called Tissues.
-Tissues are collected into Organs, carry out single task, like
oxygenated blood (lungs), or filter out waste (kidneys).
-Organs work together in systems that perform coordinated
large-scale functions,
like nourishing the body (digestive) or protecting the body from
attacks (immune).
Cell Parts
Organelles: Cell parts that function within a cell. They coordinate with other
organelles to performs a cell's basic function, like energy processing and
waste excretion.
~Examples: Ribosomes, Golgi Apparatus, Mitochondria, The Nucleus.
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and Physiology) 2022/2023 Latest
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The Nucleus
-Nucleus: Small structure that contains Chromosomes and
Regulates the DNA of a cell. Defining structure of eukaryotic cells.
It is responsible for the passing on of genetic traits
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and Physiology) 2022/2023 Latest
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between generations.
-Contains: nuclear envelope, nucleoplasm, a nucleolus,
nuclear pores, chromatin, and ribosomes.
Chromosomes
Highly condensed, threadlike rods of DNA. DNA is genetic material that stores
information about the plant or animal.
Chromatin
Consists of the DNA and Proteins that make up chromosomes.
Nucleolus
Structure contained within the nucleus, consists of proteins. Small, Round, and
does not have a membrane. Involved in protein synthesis, and synthesizes and
ATI TEAS - Science (Human Anatomy
and Physiology) 2022/2023 Latest
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GRADED A+
, ATI TEAS - Science (Human Anatomy
and Physiology) 2022/2023 Latest
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stores RNA.
Nuclear Envelope
Encloses the nucleus. Consists of inner and outer membranes made of lipids.
Nuclear Pores
Involved in exchange of material between nucleus and the cytoplasm.
Nucleoplasm
Liquid within the membrane and is similar to cytoplasm.
Cell Membrane
"Plasma Membrane"
-Made of Lipids and Proteins
-Isolates the cell from its external environment while still
enabling the cellar to communicate with the outside
environment.
ATI TEAS - Science (Human Anatomy
and Physiology) 2022/2023 Latest
Updated And Comprehensive Exam
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GRADED A+
and Physiology) 2022/2023 Latest
Updated And Comprehensive Exam
Revision With Guaranteed Success
GRADED A+
Hierarchy of Structures
Lowest Hierarchy level is at Organelles within a cell. They obtain
energy from food and reproduction.
-Cells with the same function are collected into larger groups
called Tissues.
-Tissues are collected into Organs, carry out single task, like
oxygenated blood (lungs), or filter out waste (kidneys).
-Organs work together in systems that perform coordinated
large-scale functions,
like nourishing the body (digestive) or protecting the body from
attacks (immune).
Cell Parts
Organelles: Cell parts that function within a cell. They coordinate with other
organelles to performs a cell's basic function, like energy processing and
waste excretion.
~Examples: Ribosomes, Golgi Apparatus, Mitochondria, The Nucleus.
ATI TEAS - Science (Human Anatomy
and Physiology) 2022/2023 Latest
Updated And Comprehensive Exam
Revision With Guaranteed Success
GRADED A+
,ATI TEAS - Science (Human Anatomy
and Physiology) 2022/2023 Latest
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Revision With Guaranteed Success
GRADED A+
The Nucleus
-Nucleus: Small structure that contains Chromosomes and
Regulates the DNA of a cell. Defining structure of eukaryotic cells.
It is responsible for the passing on of genetic traits
ATI TEAS - Science (Human Anatomy
and Physiology) 2022/2023 Latest
Updated And Comprehensive Exam
Revision With Guaranteed Success
GRADED A+
,ATI TEAS - Science (Human Anatomy
and Physiology) 2022/2023 Latest
Updated And Comprehensive Exam
Revision With Guaranteed Success
GRADED A+
between generations.
-Contains: nuclear envelope, nucleoplasm, a nucleolus,
nuclear pores, chromatin, and ribosomes.
Chromosomes
Highly condensed, threadlike rods of DNA. DNA is genetic material that stores
information about the plant or animal.
Chromatin
Consists of the DNA and Proteins that make up chromosomes.
Nucleolus
Structure contained within the nucleus, consists of proteins. Small, Round, and
does not have a membrane. Involved in protein synthesis, and synthesizes and
ATI TEAS - Science (Human Anatomy
and Physiology) 2022/2023 Latest
Updated And Comprehensive Exam
Revision With Guaranteed Success
GRADED A+
, ATI TEAS - Science (Human Anatomy
and Physiology) 2022/2023 Latest
Updated And Comprehensive Exam
Revision With Guaranteed Success
GRADED A+
stores RNA.
Nuclear Envelope
Encloses the nucleus. Consists of inner and outer membranes made of lipids.
Nuclear Pores
Involved in exchange of material between nucleus and the cytoplasm.
Nucleoplasm
Liquid within the membrane and is similar to cytoplasm.
Cell Membrane
"Plasma Membrane"
-Made of Lipids and Proteins
-Isolates the cell from its external environment while still
enabling the cellar to communicate with the outside
environment.
ATI TEAS - Science (Human Anatomy
and Physiology) 2022/2023 Latest
Updated And Comprehensive Exam
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