The answer is B.
A. False. Heterotrophs need to consume other organisms to make energy.
C. False. Thermophiles (notice the prefix 'thermo') are organisms that thrive at higher than normal temperatures.
D. False. Autotrophs make their own energy. They don't consume it from other sources.
The answer is 88.6 mL.
According to the Boyle's law pressure and the volume of a gas are inversely proportional<span> at the constant temperature for a fixed mass:
P = k/V
or
P * V = k
So:
k = P1 * V1 = P2 * V2 = ...
We know that:
P1 = 780 mm Hg
V1 = 100 mL
P2 = 880 mm Hg
V2 = ?
780 * 100 = 880 * V2
V2 = 780 * 100 / 880
V2 = </span>
Answer:
Since high ethanol is a major stress during ethanol fermentation, ethanol-tolerant yeast strains are highly desirable for ethanol production on an industrial scale. A technology called global transcriptional machinery engineering (gTME), which exploits a mutant SPT15 library that encodes the TATA-binding protein of Saccharomyces cerevisiae (Alper et al., 2006; Science 314: 1565-1568), appears to be a powerful tool. to create ethanol tolerant strains. However, the ability of the strains created to tolerate high ethanol content in rich media remains to be demonstrated. In this study, a similar strategy was used to obtain five strains with higher ethanol tolerance (ETS1-5) of S. cerevisiae. When comparing the global transcriptional profiles of two selected strains ETS2 and ETS3 with that of the control, 42 genes that were commonly regulated with a double change were identified. Of the 34 deletion mutants available in an inactivated gene library, 18 were sensitive to ethanol, suggesting that these genes were closely associated with tolerance to ethanol.
Explanation:
Eight of them were novel and most were functionally unknown. To establish a basis for future industrial applications, the iETS2 and iETS3 strains were created by integrating the SPT15 mutant alleles of ETS2 and ETS3 into the chromosomes, which also exhibited increased tolerance to ethanol and survival after ethanol shock in a rich medium. Fermentation with 20% glucose for 24 h in a bioreactor revealed that iETS2 and iETS3 grew better and produced approximately 25% more ethanol than a control strain. The performance and productivity of ethanol also improved substantially: 0.31 g / g and 2.6 g / L / h, respectively, for the control and 0.39 g / g and 3.2 g / L / h, respectively, for iETS2 and iETS3.
Therefore, our study demonstrates the utility of gTME in generating strains with increased tolerance to ethanol that resulted in increased ethanol production. Strains with increased tolerance to other stresses such as heat, fermentation inhibitors, osmotic pressure, etc., can be further created using gTME.
The element that is likely to form a ionic bond with potassium is Cl (answer A)
<em><u>Explanation</u></em>
Ionic bond - is a bond formed when a metal and a non metal react.
Metal loses electron ( donate electrons) while non metal gains electrons ( accept electrons) to form ionic bond.
potassium is a metal while Chlorine(Cl) is a non metal. They react to form an ionic bond by potassium donating 1 electron while chlorine accept 1 electron.
The stratified squamous epithelial lining of the oropharynx and the laryngopharynx provides protection against the abrasive activities that is associated with swallowing.
<h3>What is stratified squamous epithelial?</h3>
The stratified squamous epithelium is a type of epithelial cells whose topmost layer is made of squamous that is flattened cells. Some stratified squamous epithelia are heavily keratinized and some are not.
They help in lining the body internal organs like pharynx and so on.
Therefore, The stratified squamous epithelial lining of the oropharynx and the laryngopharynx provides protection against the abrasive activities that is associated with swallowing.
Learn more about epithelial tissue here.
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