CELLS AND TISSUES Revision quizes, Wanjala.pdf
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This document contains 16 multiple choice and short answer questions about cells and tissues in the human body. The questions cover topics such as organelle structure and function, cell transport mechanisms, the cell cycle, mitosis and meiosis, the main types of human tissues including epithelial, connective and muscle tissues, and the functions of membranes and connective tissues. The document provides a study guide for anatomy and physiology revision on cells and tissues.
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Page 1
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short answers :
1.
.
Describe the scientific method. In what ways do you
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What is the difference between the endocrine glands and the exocrine glands?
b.
List the four parts of a neuron, and explain each ones special function.
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Mc qs of medical physiology
The document provides information about cell membrane, cell organelles, DNA, RNA, and other cellular structures and functions. Some key points include:
- The cell membrane is composed primarily of lipids and proteins. It separates the intracellular and extracellular fluids and is semipermeable.
- Integral proteins pass through the entire thickness of the cell membrane.
- The nucleus houses both chromosomes and nucleoplasm and controls cell activity.
- DNA and RNA contain phosphate, sugar, and nitrogen bases. They differ in one nitrogen base.
- Transcription and translation make up gene expression, the process of protein synthesis.
BSC1005 Biology General Chapter 6 1 Chapter 6 Cel.docx
BSC1005 Biology General
Chapter 6
1
Chapter 6: Cell Energy, Transport and Enzymes
1) Many of the enzymes that control a deep-sea firefly squid's ability to produce light energy from chemical energy are located
A) in membranes.
B) in the nucleus.
C) within chloroplasts.
D) outside of cells.
E) within mitochondria.
2) The fluid mosaic model describes the plasma membrane as consisting of
A) a phospholipid bilayer with embedded carbohydrates.
B) two layers of phospholipids with protein sandwiched between them.
C) a protein bilayer with embedded phospholipids.
D) carbohydrates, proteins, and phospholipids that can drift in the membrane.
E) individual proteins and phospholipids that can drift in a phospholipid bilayer.
3) Membrane phospholipids
A) have hydrophobic heads that face the center of the membrane and are shielded from water.
B) have hydrophilic tails that face outward and are exposed to water.
C) often have "kinks" in their tails caused by the presence of a double bond between carbons.
D) remain fluid because they are tightly packed against one another.
E) form impermeable layers for cells.
4) The cholesterol associated with animal cell membranes
A) is attached to membrane proteins and extends into the watery environment surrounding the cell.
B) helps to stabilize the cell membrane at body temperature.
C) makes the cell membrane fluid at room temperature.
D) is an abnormality resulting from a diet high in cholesterol.
E) helps solidify the membranes when the room temperature is below freezing.
5) A major function of glycoproteins and glycolipids in the cell membrane is to
A) glue cells together to form tissues.
B) allow the cells of an embryo to sort themselves into tissues and organs.
C) attach the cell membrane to the cytoskeleton.
D) help the cell resist swelling.
E) help the cell retain its shape.
6) When physicians perform an organ transplant, they choose a donor whose tissues match those of the recipient as closely as
possible. Which of the following cell components are being matched?
A) plasma membrane phospholipids
B) plasma membrane proteins
C) cell-surface carbohydrates
D) plasma membrane cholesterols
E) cytoskeletal elements
7) Most of the functions of a cell membrane are performed by
A) glycolipids.
B) proteins.
C) phospholipids.
D) cholesterol.
E) nucleotides.
BSC1005 Biology General
Chapter 6
2
9) Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell is called
A) signal transduction.
B) inhibition.
C) competition.
D) self-recognition.
E) selective permeability.
10) Plasma membranes are selectively permeable. This means that
A) anything can pass into or out of a cell as long as the membrane is intact and the cell is healthy.
B) the plasma membrane allows some substances to enter or leave a cell more easily than others.
C) glucose cannot ...
Cell structure and function re.pdf
This document contains a quiz on cell structure and function concepts. It includes 50 multiple choice questions testing understanding of topics like macromolecules, cell organelles, transport processes, tissues and more. The questions are followed by a short essay section asking students to label diagrams, interpret data, identify examples and explain concepts in more depth.
01 ch pg0001-0024_crivello(1)
This document provides an overview of key concepts in human anatomy and physiology, including definitions of anatomy, physiology, and basic concepts like structure dictates function and homeostasis. It discusses anatomy at different levels from microscopic to macroscopic. Anatomy is the study of the structure and organization of the human body, while physiology is the study of how the body functions. The document emphasizes that understanding the relationship between structure and function is important in anatomy and physiology. It also notes that maintaining homeostasis, or internal stability, is essential for the normal functioning of the body.
Unit 1 Living organisms
This document provides information on living organisms and cells. It discusses the chemical composition, vital functions, and cellular structure of living things. All living things are made of cells, which are the basic functional units. Cells come in two types - prokaryotic and eukaryotic. Prokaryotic cells like bacteria have no nucleus, while eukaryotic cells found in plants, animals and fungi have membrane-bound nuclei. The document also categorizes different types of multicellular organisms based on their levels of cellular organization.
Cell structure and function
The cell (from Latin cella, meaning "small room") is the basic structural, functional, and biological unit of all known organisms. A cell is the smallest unit of life. Cells are often called the "building blocks of life". The study of cells is called cell biology, cellular biology, or cytology.
GEN BIO LAS 1 TONI JEAN MANABAT.pdf
It presents the history of the Earth through geologic time. It discusses the earth's structure, composition, and processes. Issues, concerns, and problems pertaining to natural hazards are also included. It also deals with the basic principles and processes in the study of biology.
Cell Physiology Spring 2016 Name Page 1 This test is .docx
Cell Physiology Spring 2016 Name:
Page 1
This test is to be completed on your own, the essay sections should not be the same as anyone else’s
(word for word) If that is what I find you both will receive 0 for this test.
Structure/Function Cell Part
1) Stores material within the cell (General)
2) The sites of protein synthesis
3) Transports materials within the cell
4) Organelle that manages or controls all the cell functions in a
eukaryotic cell
5) Digests excess or worn-out cell parts, food particles and invading
viruses or bacteria
6) Small bumps located on portions of the endoplasmic reticulum
7) Provides temporary storage of food, enzymes and waste products
8) Produces a usable form of energy for the cell
9) Packages proteins for transport out of the cell
10) The membrane surrounding the cell
11) Name for the collection of DNA in the nucleus of eukaryotic cells
12) Consist of hollow tubes which provide support for the cell
13) Small hair-like structures used for movement or sensing things
Cell Physiology Spring 2016 Name:
Page 2
1) In what organelle does cellular respiration take place?
2) Name two storage organelles?
3) What is the list of organelles that take part in protein synthesis?
4) How is the nucleus involved in protein synthesis?
5) What is the difference between rough ER and smooth ER? What is the ER doing that is
different in each case?
6) What are lysosomes? What types of molecules would be found inside a lysosome?
7) Why might a lysosome fuse with or link up with a food vacuole?
8) In what organelle do molecules move from the ER to the Golgi bodies?
Cell Physiology Spring 2016 Name:
Page 3
9) The pH of lysosomes is lower than that of the cytosol because of the action of
A. Na+ and OH− transport proteins in the lysosomal membrane
B. H+ and Cl− transport proteins in the plasma membrane
C. acid-producing enzymes in the lysosomal lumen
D. H+ and Cl− transport proteins in the lysosomal membrane
10) The phenomenon in which a chemical absorbs light at one wavelength and emits it at a specific
and longer wavelength is called
A. Differential interference contrast.
B. fluorescence.
C. deconvolution.
D. shadowing.
11) Which of the following could be used to visualize subcellular structure in living cells?
A. transmission electron microscopy
B. scanning electron microscopy
C. bright field microscopy
D. differential Fluorescence interference light microscopy
12) If a cellular homogenate were subjected to differential centrifugation, which of the following
would be expected to pellet first?
A. the endoplasmic reticulum
B. mitochondria
C. the cytosol
D. nuclei
Cell Physiology Spring 2016 Name:
Page 4
13) The disruption of a cell is necessary to release its organelles and contents for subsequent
isolation. One method, called _________________________________, uses ultrahigh-
...
NCERT Solutions | Class IX | Science (Biology) | Chapter 6 | Tissues
1. The document discusses different types of tissues in plants and animals. It defines tissue as a group of cells organized to perform a specific function.
2. Simple tissues include parenchyma, collenchyma, and sclerenchyma. Complex tissues include xylem and phloem. Muscular tissue is responsible for movement in the body.
3. The document provides examples of different tissues, their structures, and functions. It discusses tissues in plants like epidermis, cork, and vascular bundles. It also covers the three types of muscle fibers and the role of neurons.
Previous year exams
The document contains questions from previous exams in the subjects of anatomy, embryology, histology, physiology, microbiology, parasitology, pharmacology and pathology related to the reproductive and urinary systems. There are a total of 350 questions covering topics such as the anatomy of the kidneys, pelvic organs, vasculature and nerves as well as the development, histology, functions and pathologies of structures like the ovaries, uterus, prostate and breast.
Previous year exams (2)
The document contains questions from previous exams in the subjects of anatomy, embryology, histology, physiology, microbiology, parasitology, pharmacology and pathology related to the reproductive and urinary systems. There are a total of 350 questions covering topics such as the anatomy of the kidneys, pelvic organs, vasculature and nerves as well as the development, histology and functions of these structures. The questions also include topics in microbiology such as sexually transmitted infections, parasitology, pharmacology and pathological conditions.
Previous year exams
The document contains questions from previous exams in anatomy, embryology, histology, physiology, microbiology, parasitology, pharmacology, and pathology relating to the reproductive and urinary systems. The questions cover topics such as the anatomy of the kidneys, testes, ovaries and pelvic structures; development of organs like the kidney and uterus; microscopic structures of tissues; hormone functions; diagnosis of infections; parasite infections; pharmacology of drugs; and pathology of conditions like glomerulonephritis and cancers.
Previous year exams
The document contains questions from previous exams in the subjects of anatomy, embryology, histology, physiology, microbiology, parasitology, pharmacology and pathology related to the reproductive and urinary systems. There are a total of 350 questions covering topics such as the anatomy of the kidneys, pelvic organs, vasculature and nerves as well as the development, histology, functions and pathologies of structures like the ovaries, uterus, prostate and breast.
1.There are several ways chemicals move within the cell. Sometim.docx
1.There are several ways chemicals move within the cell. Sometimes cells use passive transport and at times they use active transport. Describe these forms of transport and give examples of their importance in human health.
2.From Unit 2's expects section it compares the cell to a city and gives analogies of the organelles as parts of the city. Which organelle is referred to as the border patrol? In addition, identify which macromolecules are involved with this organelle and describe one role each has. Also, which organelle was referred to as a subway?
3.From Unit 2's wait section, what is the major form of active transport discussed? How is secondary active transport involved
4.Explain which eukaryotic organelle was discussed in Unit 2's awaits discussion about genetically modified people in the future. What is the function of this organelle?
5.Describe three similarities and three differences of prokaryotic and eukaryotic cells. Which of these categories (prokaryotic or eukaryotic) would COVID-19 fall under?
6.If a cell has 50,000,000 water molecules inside and it is placed in a tube with 100,000,000 water molecules, predict and explain what will happen to the cell.
7.The moving van analogy was used to explain what type of transport in the cell? Describe the different forms of transport discussed in both the Attend and Read section.
8.What organelle was referred to as the city's police officer? Explain how this organelle helps cells function. Describe the disease discussed in the text associated with defects in this organelle.
.
short answers 1. .Describe the scientific method. In wha.docx
short answers :
1.
.
Describe the scientific method. In what ways do you
use the scientific method in everyday life?
2.
.
Give an example of each, monosaccharide, disaccharide, and polysaccharide and the role they play in the body.
3. Name the four types of nitrogenous-bases found in DNA.
4. Describe the process of DNA replication.
5. Explain why predation is a strong selective pressure.
6.
( watch
an evolution documentary ).What was your understanding of evolution before and then after watching the documentary?
b. Provide an example of evolution covered in the documentary.
7
. Explain how the structure and arrangement of alveoli make them well suited for their role in gas exchange.
8.
What is the function of the loop of
Henle
, the collecting duct, and antidiuretic hormones in the urinary system?
9.a.
What is the difference between the endocrine glands and the exocrine glands?
b.
List the four parts of a neuron, and explain each ones special function.
10.
Plants have a very unique anatomy, what parts of the plant are male and what parts are female?
11.
What stages of development occur before the fertilized egg reaches the uterus?
12.
Human cloning, is it ethical? Explain your reason for being for or against human.
cloning
.
.
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BSC1005 Biology General Chapter 6 1 Chapter 6 Cel.docx
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NCERT Solutions | Class IX | Science (Biology) | Chapter 6 | Tissues
NCERT Solutions | Class IX | Science (Biology) | Chapter 6 | Tissues
1.There are several ways chemicals move within the cell. Sometim.docx
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CELLS AND TISSUES Revision quizes, Wanjala.pdf
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