The answer is they produce endospores.
Explanation:
The endospores are dormant, non-reproductive, tough bacterial spores that ensure the survival of bacteria in adverse conditions.
During the environmental stress, such as starvation, desiccation, radiation and chemical treatment many bacteria form dormant endospores. These endospores germinate again when the conditions become favorable.
Hence, if drought conditions lead the stream to dry up, the bacteria that live there would produce endospores to survive.
Answer:
Longest interval during which no tree-cutting sample occurred: 9 years (1203 AD - 1212 AD)
First year in that interval: 1203 AD
Explanation:
Lets complete the question first.
Q) A study uses tree rings to determine the year in which a tree was cut. The data is shown in the leaf and stem diagram in the ATTACHMENT.
The three digits number in the left column represents centuries and decades AD. The numbers on the right represents the years.
For example, consider the first input in the diagram
119 | 5 6
which means it represents 2 samples.
1195 AD, 1196 AD.
The longest interval with no tree-cutting samples is found from 1203 AD to 1212 AD.
In the image, the best conclusion from the answer choice presented about the trend in a creative career is that “the number of people in creative careers has increased because they left farm jobs that do not require critical thinking and problem solving”
<h2>Further Explanation</h2>
Thinking skills refers to mental activities that individual use to process information. Thinking skills are also mental activities that a person uses when making decisions, connections and coming up with new ideas.
Individuals use their thinking skills when they try to solve problems, ask questions or arrange pieces of information. Everyone has thinking skills but most individuals don’t use them effectively.
An individual can develop to use their thinking skills effectively over a period of time. Individuals that use their thinking skills effectively see opportunity where others see barriers or difficulties.
Good thinkers can solve any problem; they possess the ability to come up with new ideas and devise a unique solution to solve problems.
There are several types of thinking, these include
- Critical thinking
- Creative thinking
- Divergent thinking
- Analytical or convergent thinking
Thinking skills are cognitive processes and they are the basic elements of thinking.
However, there many essential thinking skills and these include
- Focusing
- Gathering
- Remembering
- Evaluating
- Organizing
- Generating
- Connecting
- Integrating
- Compiling
- Analyzing
Learn more about thinking skills at:
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Answer: The true statements about protein digestion and hydrolysis are;
1. Hydrochloric acid in gastric juices cause protein denaturation.
2. In small intestine trypsin attacks peptide bonds.
3.free amino acids are absorbed by the intestinal wall.
Explanation:
Protein digestion occurs in the duodenum and stomach and it is the breakdown of proteins to amino acids by action of Enzymes like trypsin, pepsin.
Protein is digested by the hydrolysis of carbon-nitrogen bond. Mechanical digestion of protein begins in the mouth and it continues in the small intestine and stomach.
Chemical digestion starts in the stomach where by hydrochloric acid in the gastric juice denatures the protein and convert pepsinogen to pepsin enzyme which convert the protein in food to peptides. Trypsin attacks the peptide bond that involves the carboxyl group which breaks it to polypeptide. Exopepdisases and dipeptidases breaks it down to amino acids. The amino acids released by protein digestion is then absorbed by the intestinal wall
Answer:
The drum skin oscillates 20 times per second
Explanation:
The frequency of a note is dependent on the mechanical activities that occur when it is produced. A drum is beaten in this case. The oscillation of the drum skin transfers sound waves to the air particles which move at the same frequency before reaching our ears.
If the frequency of the sound wave is 20 Hz this means that the wave is oscillating 20 times in one second. For the drum to produce such a sound, the skin must have been oscillating at the same frequency of 20 oscillations per second too.
