Unit One Quizzes Flashcards
What term best represents the study of life
Biology
What represents the study of human structure
Anatomy
Humans belong to all of the following groups except?
The animal kingdom, domain eukarya, invertebrates, mammals, vertebrates
Invertebrates
Which of the following is not a domain of life?
Bacteria, archaea, animals, eukarya, fungi
Fungi and animals
In an experiment, the ———— is exposed to the experimental variable
The test group
Information collected from a scientific experiment is known as what?
Data
A prediction follows what step of the scientific process?
Design of an experiment
True or false:
All scientists follow the same sequence in order to create valid new scientific knowledge.
False
The human heart rate increases when the person is scared because?
Living organisms respond to stimuli
Humans produce only humans because?
Living organisms reproduce and grow
Humans need to get building blocks and energy because?
Living organisms acquire materials and energy
Similar cells form tissues in the human body because?
Life is organized
Arrange the levels of organization from smallest to largest
Atoms and molecules
Cell
Tissue
Organ
Organ system
Organism
Species
Population
Community
Ecosystem
Biosphere
Which type of bond results from the complete transfer of electrons from one atom to another?
Ionic
Compounds having an affinity for water are said to be what?
Hydrophilic
The combination of two monomers to produce a polymer is an example of which of the following types of reactions?
Dehydration synthesis
Which of the following contribute hydrogen ions (H+) to a solution?
Bases, isotopes, acids, compounds, or none of the above
Acids
A RNA nucleotide differs from a DNA molecules in that RNA has?
A ribose sugar
A uracil base
A phosphate molecule
Two of these are correct
None of these are correct
Two of these are correct (a ribose sugar, and a uracil base)
The nucleic acids that is typically involved in energy reactions in a cell is?
ATP
Isotopes differ in their?
Number or neutrons
Where is water primarily stored in the body?
In intracellular fluid
True or false:
ATP is the basic form or “energy” or the “biological currency” for the human cell.
True
Please match each with the appropriate classification
Glucose=
Triglyceride=
Ribose=
Glycogen=
Polymer composed of amino peptide chains=
Carbohydrate
Lipid
Carbohydrate
Carbohydrate
Proteins
The cell theory states that
All life comes from preexisting cells, all life is composed of cells, the cell is the basic unit of life
Prokaryotic cells contain all the following except what?
Cytoplasm
A plasma membrane
DNA
Ribosomes
Nucleus
Nucleus
When a cell is placed in a hypotonic solution it does what?
Water enters the cell toward the area of higher solute concentration
The cytoskeleton of a cell consists of all of the following except?
Microtubules
Actin filaments
An extra cellular matrix
Intermediate filament
Centre some
An extra cellular matrix
Cilia and flagella are involved in which of the following functions?
Cell movement
Which of the following pathways produces the greater amount of ATP?
The Electronic Transport Chain (ETC;Aerobic)
Whiich metabolic reaction produces ATP at the greatest rate
Creatine phosphate
True or false: anabolism is associated with breaking down larger molecules into smaller molecules to release energy
No the opposite is true of anabolism
Organelles where proteins and lipids are processed and modified to form the ER
Golgi Apparatus
Contains digestive enzymes
Lysosome
Location of the chromatin and nucleolus
Nucleus
The site of protein synthesis
Ribosomes
The powerhouse of the cell; ATP production
Mitochondria
Labeling the composite cell
1) Endoplasmic Reticulum
2) nucleus
3) Plasma Membrane
4) ribosomes on the ER
5) Golgi Apparatus
6) mitochondria
7) lysosomes
8) centrisomes
9) microvilli
10) Cytoskeleton
11) flagella
What type of tissue is associated with communication
Nervous tissue
This type of connective tissue contains collagen fibers and its used in ares of the body that undergo compression or need flexibility
Cartilage
This form of muscle tissue is under voluntary control in the body
Skeletal
These cells support neurons by providing nutrients
Neuroglia
What is not a type of epithelial tissue
Smooth and cardia
Which of the following is a function of the skin
Temp regulation
Vitamin D production
Protection from invading pathogens
All of the above
Keratinization of epithelial cells occur in what layer of the skin
Epidermis
Which type of membrane lines systems that are open to the outside environment, such as the respiratory tract
Mucous
What allows rapid change in one direction but does not achieve stability in one condition
Positive feedbakc
What is an example of negative feedback
Insulin decrease blood sugar levels after a meal is eaten
An electrocardiogram measure what
Electrical changes in the wall of the heart
Blood moving from the left atrium to the left ventricle passes through which valves
The biscuit valve (mitral)
A blood pressure reading of 145/90 mmHg indicates what?
Hypertension
Skeletal muscles pumps assist with blood flow in the
Veins
Which condition is the leading cause of death in the United States and the world
Cardiovascular disease
Which of the following is not a formed element in the blood
Organic molecules and salts
What is the pigment that transports oxygen in an erythrocyte
Hemoglobin
What is formed from megakaryocytes
Paltelets
Theoretically, a person with type AB blood should be able to receive?
Type A and Type O blood
Type B and O blood
Type B and type AB blood
Type B blood contains —— surface antigens on the RBCs and —— antibodies in the plasma
B
Anti-A
