a When a Gram-positive cell is exposed to lysozyme, it will lose the cell wall completely and become a protoplast. A Gram-negative cell exposed to the same substance loses it peptidoglycan but retains its outer membrane, leaving a less fragile but nevertheless weakened spheroplast. 当一个革兰...
A substance that cannot be broken down into chemically simpler components is an element. ... A substance that can be broken down into chemically simpler components (because it has more than one element) is a compound. For example, water is a compound composed of the elements hydrogen and ox...
The potter added a temper to the clay, a substance. 陶器工匠在粘土中增加了一种试剂,一种物质。 分句-3 A substance helped reduce shrinkage and cracking. 一种物质能够帮助减少疏松和开裂的情况。 全句 When a pot is fired, it loses its water and can crack, so the potter added a temp...
Some people love receiving over-the-top gifts, like a cashmere potholder or diamond-encrusted anything. But then there are the giftees who only crave what they can actually use. They’d willingly forgo the bells and whistles and high-tech upgrades if it meant the product they’d receive ...
chemical processing, and incineration may all produce direct exposure to, and inhalation of, dangerous substances. One such common hazard is exposure to lead and other toxic metals. Another example of hazardous substance encountered in electronic recycling is mercury, which can be a dangerous neurotoxi...
These movies are high-action, low-substance in the best possible way. They're fun, they're truly ridiculous, and they know it. And last but not least, the car stunts are absolutely insane. Celebrities love being in these movies, from Vin Diesel to Idris Elba to Dame Helen Mirren, and...
When proteins undergo deamination, the waste substance found in the urine is mostly ___ . When to give hypertonic solution What is not a catabolic reaction? Where do the TCA cycle reactions take place? Catabolism releases energy in the form of How are the...
Within a cell, the energy released by electrons is often used to phosphorylate which of the following molecules? a. ADP b. ATP c. Pyruvate ions d. Oxygen e. NAD Within a cell, the energy released by electrons is often used to phosphorylate which of the ...
When dihydrogen (H₂) is passed over heated copper oxide (CuO), a chemical reaction occurs that results in the formation of copper (Cu) and water (H₂O). Here is a step-by-step breakdown of the process: Step 1: Identify the ReactantsThe reactants in this reaction are dihydrogen ...
Photosynthesis takes place inside plant cells in small objects called chloroplasts . Chloroplasts contain a green substance called chlorophyll . This absorbs