Answer the following question given this paragraph: Q: All enzymes have an optimal temperature and what? Choices: - shapes - weight - ions - ph A:
ph
(Question)
Answer the following question given this paragraph: Gravity is responsible for erosion by flowing water and glaciers. That's because gravity pulls water and ice downhill. These are ways gravity causes erosion indirectly. But gravity also causes erosion directly. Gravity can pull soil, mud, and rocks down cliffs and hillsides. This type of erosion and deposition is called mass wasting . It may happen suddenly. Or it may occur very slowly, over many years. Q: What force is responsible for erosion by flowing water and glaciers? Choices: - kinetic - electromagnetic - weight - gravity A:
(Answer)
gravity
Ques: Answer the following question given this paragraph: The Fujita scale measures tornado intensity based on wind speed and damage. Q: The fujita scale measures the intensity of what weather event, based on wind speed and damage? Choices: - sandstorm - wind gust - blizzard - tornado A:
Ans: tornado
(Q).
Answer the following question given this paragraph: The Cell Wall The cytoplasm of prokaryotic cells has a high concentration of dissolved solutes. Therefore, the osmotic pressure within the cell is relatively high. The cell wall is a protective layer that surrounds some cells and gives them shape and rigidity. It is located outside the cell membrane and prevents osmotic lysis (bursting due to increasing volume). The chemical composition of the cell walls varies between archaea and bacteria, and also varies between bacterial species. Bacterial cell walls contain peptidoglycan, composed of polysaccharide chains that are cross-linked by unusual peptides containing both L- and D-amino acids including D-glutamic acid and D-alanine. Proteins normally have only L-amino acids; as a consequence, many of our antibiotics work by mimicking D-amino acids and therefore have specific effects on bacterial cell wall development. There are more than 100 different forms of peptidoglycan. S-layer (surface layer) proteins are also present on the outside of cell walls of both archaea and bacteria. Bacteria are divided into two major groups: Gram positive and Gram negative, based on their reaction to Gram staining. Note that all Gram-positive bacteria belong to one phylum; bacteria in the other phyla (Proteobacteria, Chlamydias, Spirochetes, Cyanobacteria, and others) are Gram-negative. The Gram staining method is named after its inventor, Danish scientist Hans Christian Gram (18531938). The different bacterial responses to the staining procedure are ultimately due to cell wall structure. Gram-positive organisms typically lack the outer membrane found in Gram-negative organisms (Figure 22.15). Up to 90 percent of the cell wall in Gram-positive bacteria is composed of peptidoglycan, and most of the rest is composed of acidic substances called teichoic acids. Teichoic acids may be covalently linked to lipids in the plasma membrane to form lipoteichoic acids. Lipoteichoic acids anchor the cell wall to the cell membrane. Gram-negative bacteria have a relatively thin cell wall composed... Q: The cytoplasm of prokaryotic cells has a high concentration of dissolved solutes. therefore, the osmotic pressure within the cell is what? Choices: - relatively normal - relatively low - relative - relatively high A:
(A).
relatively high
Ques:Answer the following question given this paragraph: Meteorologists don't study meteors they study the atmosphere! The word "meteor" refers to things in the air. Meteorology includes the study of weather patterns, clouds, hurricanes, and tornadoes. Meteorology is very important. Using radars and satellites, meteorologists work to predict, or forecast, the weather ( Figure below ). Q: Despite their name, what scientists study the atmosphere rather than colliding space rocks? Choices: - forecasters - astronauts - astronomers - meteorologists A:

Ans:meteorologists
Answer the following question given this paragraph: Q: The band disappears before metaphase but predicts the future plane of what? Choices: - cell matter - cell wall - cell solution - cell division A:
cell division