Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
A&P 1
Chapter 2/3 Test
| Question | Answer |
|---|---|
| Which of the following is an inorganic compound? | Sodium chloride |
| An individual with the condition called phenylketonuria cannot break down the amino acid phenylalanine. Molecules that include phenylalanine will build up in the blood, potentially causing intellectual disability and other symptoms. This inherited disease | Protein |
| An atom has a full innermost shell and three electrons in its second shell. What would happen when this atom forms a chemical bond? | It will lose three electrons from its second shell. |
| What type of organic molecule can undergo replication? | Nucleic acid |
| What occurs to form an ionic bond? | Oppositely charged atoms are attracted to each other. |
| If Ca+2 were to gain 2 electrons, it would become image and become neutral. | True |
| A blood pH of__________ is called alkalemia. | 7.5-7.8 |
| What is the most abundant inorganic substance in the body? | Water |
| A phospholipid differs structurally from a triglyceride in that the phospholipid has three phosphate groups attached to the glycerol molecule rather than three fatty acid chains. | False |
| What is the difference between Ca and Ca2+? | Ca2+ has lost 2 electrons. |
| The compound H2SO4 will dissociate in water to create HSO4- and H+. The product HS04- is a base. | True |
| A person with alkalosis has a blood pH less than 7.3. | False |
| Collagen is a protein with a coiled (helical) conformation. When it is exposed to high temperature, it becomes straight and flat. Its primary structure is not altered by the temperature change. What happened to cause the molecule to flatten? | Hydrogen bonds were broken |
| Complete ribosomes, found within cells of the body, are formed by the association between different protein subunits. Each complete ribosome represents the__________ of this organelle. | quaternary structure |
| What statement describes proteins? | The shape of proteins molecules are critical to their function |
| Sodium ions and calcium ions are examples of what type of particle? | Cations |
| Consider the following list of commonly found items and their pH values: Baking Soda (8.3), Battery Acid (1.0), Beer (4.2), Bleach (12.8), Butter (6.1–6.4), Coffee (5.0), Egg Whites (7.6–8.0), Grapes (3.5–4.5), Milk of Magnesia (10.6), Tomato (4.0–4.5), | Vinegar, grapes, tomatoes, and coffee |
| What group of elements accounts for more than 95% of the human body by weight? | Carbon, hydrogen, oxygen, nitrogen. |
| Nucleic acids are composed of building blocks called amino acids. | False |
| The difference in hydrogen ion concentration between solutions with pH 4 and pH 5 is__________. | Ten-Fold |
| Two negatively charged bromide (Br-) ions exist in solution. They will be attracted to each other and form an ionic bond. | False |
| What building blocks form triglycerides? | Three fatty acids and one glycerol |
| What particles are located in the nucleus of an atom? | Protons and neutrons |
| Which of the following is an element? | Iron |
| Lard, a fat that is solid at room temperature, will have__________ than peanut oil. | more single carbon-carbon bonds |
| Salt is placed in a glass of water. Slowly the salt begins to move from one area to another area. What factor caused the movement of the salt? | Concentration gradient |
| The framework of a cell membrane is a lipid bilayer. | True |
| During anaphase of mitosis, centromeres and replicated chromosomes separate. | True |
| What is the correct sequence of organelles and cell parts involved in milk secretion? | Nucleus, endoplasmic reticulum, Golgi apparatus, vesicles, cell membrane |
| Cell membranes are described as a fluid mosaic that maintains stability while still allowing movement. What component is responsible for most of the flexibility of the membrane? | Phospholipid bilayer |
| Peroxisomes and lysosomes are sacs that contain enzymes. | True |
| What is the cellular abnormality that causes cystic fibrosis? | ... |
| Cytoplasm is located between the cell membrane and the nuclear envelope. | True |
| The process by which cells specialize is called differentiation. | True |
| Adrenoleukodystrophy is a genetic disorder that affects the nervous system. The gene abnormality causes a lack of an enzyme that breaks down very long chain fatty acids outside the cell. The resulting over-accumulation causes brain degeneration. What orga | Peroxisomes |
| What is an isotonic solution? | A solution that has the same osmotic pressure as a cell. |
| Programmed cell death occurs during development, including the removal of webbing between fingers of the fetus. What is this process called? | Apoptosis |
| What best describes endoplasmic reticulum? | A network of interconnected membranes |
| What is the relationship between surface area and volume as a cell grows? | Its surface area increases to a lesser degree than its volume. |
| What cytoskeletal structures are not found in all cell types? | .... |
| Which of the following abnormal processes may occur if a cell becomes damaged due to lack of blood flow? | Necrosis |
| Smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not. | False |
| Which organelle contains the nucleolus? | The nucleus |
| Stem cells may be activated after an injury, helping to heal. | True |
| What is a defining characteristic of a stem cell? | Self-renewal |
| A telomere is a type of hormone that controls the cell cycle. | False |
| What is osmosis? | ... |
| In Krabbe disease an enzyme that makes myelin for nerve cells is absent. What organelle would produce this enzyme? | Lysosomes |
| A cell that secretes abundant amount of proteins would have many nucleoli. | True |
| During what phase of the cell cycle do chromosomes replicate? | Interphase |
| What kind of bond can form between K+ and CI-? | Ionic bond |
| A protein is formed by a sequence of amino acids. | True |
| A complex carbohydrate consists of a phosphate group attached to a sugar molecule. | False |
| Sodium and chloride atoms interact with each other because they both lose electrons. | False |
| The chemical bond called a(n)__________ bond involves the unequal sharing of electrons between two atoms. | Polar Covalent |
| Where is a mitochondrion found in the cell? | In the intracellular fluid |
| Buildup of incorrectly folded proteins induces a stress response known as unfolded protein response (UPR). When prolonged, UPR has a high correlation with neurodegenerative diseases such as Parkinson’s. Which organelle is likely malfunctioning and allowin | ... |
| A cell is surrounded by an extremely thin, flexible membrane. Why is the membrane selectively permeable? | ... |
| What is the correct order of the stages of the cell cycle? | Interphase, mitosis, cytoplasmic division, differentiation |
| During anaphase of mitosis, centromeres and replicated chromosomes separate. | True |
Created by:
Bbuck1
Popular Anatomy sets