Q: What stored form of energy is made up of glycerol and three fatty acid chains? Read this paragraph and choose the correct option from the provided answers: Triglycerides are the main form of stored energy in animals. This type of lipid is commonly called fat. Triglycerides are composed of a glycerol and three fatty acid chains. An example is shown in Figure below . In humans, triglycerides are a mechanism for storing unused calories, and their high concentration in blood correlates with the consumption of excess starches and other carbohydrate-rich foods. Choices: - hydrocarbons - carbohydrates - particulates - triglycerides A:
triglycerides

(Question)
Q: Salt in seawater causes it to have greater what, which is also affected by temperature and pressure? Read this paragraph and choose the correct option from the provided answers: Seawater has lots of salts in it. This increases its density (mass per volume) over fresh water. Temperature and pressure also affect density. Choices: - mass - volume - area - density A:
(Answer)
density

Ques: Q: The thin scale-like or flat shape of what cells fits their primary function, to provide a smooth and protective surface? Read this paragraph and choose the correct option from the provided answers: Simple Epithelium The shape of the cells in the single cell layer of simple epithelium reflects the functioning of those cells. The cells in simple squamous epithelium have the appearance of thin scales. Squamous cell nuclei tend to be flat, horizontal, and elliptical, mirroring the form of the cell. The endothelium is the epithelial tissue that lines vessels of the lymphatic and cardiovascular system, and it is made up of a single layer of squamous cells. Simple squamous epithelium, because of the thinness of the cell, is present where rapid passage of chemical compounds is observed. The alveoli of lungs where gases diffuse, segments of kidney tubules, and the lining of capillaries are also made of simple squamous epithelial tissue. The mesothelium is a simple squamous epithelium that forms the surface layer of the serous membrane that lines body cavities and internal organs. Its primary function is to provide a smooth and protective surface. Mesothelial cells are squamous epithelial cells that secrete a fluid that lubricates the mesothelium. In simple cuboidal epithelium, the nucleus of the box-like cells appears round and is generally located near the center of the cell. These epithelia are active in the secretion and absorptions of molecules. Simple cuboidal epithelia are observed in the lining of the kidney tubules and in the ducts of glands. Choices: - technique epithelium - kind epithelium - basic epithelium - simple epithelium A:
Ans: simple epithelium

(Q).
Q: The bright color of poison dart frogs serves what purpose? Read this paragraph and choose the correct option from the provided answers: Poison dart frogs have toxins in their skin. Their bright colors warn potential predators not to take a bite!. Choices: - no purpose - attracting mates - attracting predators - warning predators A:
(A).
warning predators

Ques:Q: Unlike ionic compounds, covalent compounds do not have freely moving what? Read this paragraph and choose the correct option from the provided answers: Unlike ionic compounds, covalent compounds do not have freely moving electrons, so they cannot conduct electricity. Choices: - neutrons - atoms - Nuclei. - electrons A:

Ans:electrons

Q: What force is greater on rougher surfaces than smooth surfaces? Read this paragraph and choose the correct option from the provided answers: Rougher surfaces have more friction between them than smoother surfaces. That's why we put sand on icy sidewalks and roads. The blades of skates are much smoother than the soles of shoes. That's why you can't slide as far across ice with shoes as you can with skates (see Figure below ). The rougher surface of shoes causes more friction and slows you down. Heavier objects also have more friction because they press together with greater force. Did you ever try to push boxes or furniture across the floor? It's harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor. Choices: - tension - acceleration - gravity - friction A:
friction