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mamaluj [8]
3 years ago
11

homeostasis is the ability of an organism to maintain a relatively stable internal environment. How would an organisms homeostas

is be affected if it was not able to produce enzymes? A.) Without enzymes, chemical reactions would not occur quickly enough to sustain life. B.)Without enzymes, the temperature inside cells would increase rapidly. C.)Without enzymes, biochemical reactions would cease completely.
Biology
2 answers:
alexdok [17]3 years ago
8 0
Reactions would not be carried out at a certain rate and the energy required to start the reactions would be larger. So, A
viva [34]3 years ago
8 0

Without enzymes, chemical reactions would not occur quickly enough to substain life.

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Animals cannot produce enzymes to digest cellulose, yet many termite species consume cellulose from plant material as a main par
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Answer:

B. Mutualistic bacteria in the hindgut of the termite digest the cellulose into sugars

Explanation:

Cellulose is a polysaccharide, cell walls of plant cells are made of cellulose. Termites eat cellulose and live on cellulose for their energy needs. Termites chew dead wood, but for its digestion termites depend on bacteria and protozoa which are present in their gut. They provide enzymes which can digest the cellulose of wood. Thus, they are in mutualistic relationship with termites. These microbes may starve ouside the termite body.

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Can someone do #11 for me
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Answer:

The correct answer is -

a. Amino acid

b. dipeptide

c. dehydration synthesis.

Explanation:

The monomer is a molecule that reacts with one or more monomer molecules to form a chain or polymer. In the given reaction the two amino acids react together to form a dipeptide.

The dimer is a molecule that is made up of two monomers and in this reaction, two amino acids form a dimer dipeptide. The dehydration synthesis is a reaction in which a water molecule is lost.

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Within the immune system, specialized proteins that lock onto specific antigens are called ___________. A) antibodies B) B lymph
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Antibodies.........................................................................

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Select the correct answer.<br><br><br> Which phrase best describes the image?
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Draw a flow chart of the digestive system
prisoha [69]

Answer:

1: The Mouth;The mouth is the beginning of the digestive system, and, in fact, digestion starts here before you even take the first bite of a meal. The smell of food triggers the salivary glands in your mouth to secrete saliva, causing your mouth to water. When you actually taste the food, saliva increases.

Once you start chewing and breaking the food down into pieces small enough to be digested, other mechanisms come into play. More saliva is produced. It contains substances including enzymes that begin the process of breaking down food into a form your body can absorb and use. Chew your food more -- it also helps with your digestion.

2: The Pharynx and Esophagus;Also called the throat, the pharynx is the portion of the digestive tract that receives the food from your mouth. Branching off the pharynx is the esophagus, which carries food to the stomach, and the trachea or windpipe, which carries air to the lungs.

The act of swallowing takes place in the pharynx partly as a reflex and partly under voluntary control. The tongue and soft palate -- the soft part of the roof of the mouth -- push food into the pharynx, which closes off the trachea. The food then enters the esophagus.The esophagus is a muscular tube extending from the pharynx and behind the trachea to the stomach. Food is pushed through the esophagus and into the stomach by means of a series of contractions called peristalsis.

Just before the opening to the stomach is an important ring-shaped muscle called the lower esophageal sphincter (LES). This sphincter opens to let food pass into the stomach and closes to keep it there. If your LES doesn't work properly, you may suffer from a condition called GERD, or reflux, which causes heartburn and regurgitation (the feeling of food coming back up).

3: The Stomach and Small Intestine;The stomach is a sac-like organ with strong muscular walls. In addition to holding food, it serves as the mixer and grinder of food. The stomach secretes acid and powerful enzymes that continue the process of breaking the food down and changing it to a consistency of liquid or paste. From there, food moves to the small intestine. Between meals, the non-liquefiable remnants are released from the stomach and ushered through the rest of the intestines to be eliminated.

Made up of three segments -- the duodenum, jejunum, and ileum -- the small intestine also breaks down food using enzymes released by the pancreas and bile from the liver. The small intestine is the 'work horse' of digestion, as this is where most nutrients are absorbed. Peristalsis is also at work in this organ, moving food through and mixing it up with the digestive secretions from the pancreas and liver, including bile. The duodenum is largely responsible for the continuing breakdown process, with the jejunum and ileum being mainly responsible for absorption of nutrients into the bloodstream.

A more technical name for this part of the process is "motility," because it involves moving or emptying food particles from one part to the next. This process is highly dependent on the activity of a large network of nerves, hormones, and muscles. Problems with any of these components can cause a variety of conditions.

While food is in the small intestine, nutrients are absorbed through the walls and into the bloodstream. What's leftover (the waste) moves into the large intestine (large bowel or colon).

4: The Colon, Rectum, and Anus;The colon (large intestine) is a five- to seven -foot -long muscular tube that connects the small intestine to the rectum. It is made up of the cecum, the ascending (right) colon, the transverse (across) colon, the descending (left) colon and the sigmoid colon, which connects to the rectum. The appendix is a small tube attached to the ascending colon. The large intestine is a highly specialized organ that is responsible for processing waste so that defecation (excretion of waste) is easy and convenient.

Stool, or waste left over from the digestive process, passes through the colon by means of peristalsis, first in a liquid state and ultimately in solid form. As stool passes through the colon, any remaining water is absorbed. Stool is stored in the sigmoid (S-shaped) colon until a "mass movement" empties it into the rectum, usually once or twice a day.

It normally takes about 36 hours for stool to get through the colon. The stool itself is mostly food debris and bacteria. These bacteria perform several useful functions, such as synthesizing various vitamins, processing waste products and food particles, and protecting against harmful bacteria. When the descending colon becomes full of stool, it empties its contents into the rectum to begin the process of elimination.

Explanation:

6 0
2 years ago
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