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bazaltina [42]
3 years ago
14

Which term is not correctly matched with its proper definition? A. Prototroph: possesses the same metabolic/growth capabilities

as the parent, wild type strain. B. The prefixes chemo- and photo-: define the electron source C. Macronutrient: phosphorous and sulfur are in this category D. Chemoorganotroph: a heterotroph could be considered this E. Growth factor: components, either defined or undefined, that promote/support growth
Biology
1 answer:
Vikentia [17]3 years ago
6 0

Answer:

B. The prefixes chemo- and photo-: define the electron source

Explanation:

The prefix chemo is related to <u>chemical/drug</u> and photo is related to<u> light</u>. This can be proved by analysing the following examples:

Chemotherapy = therapy with chemicals

Phototherapy = therapy with light

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Which would not be found in pancreatic juice secreted into the duodenum?
AURORKA [14]

Answer:

The answer is insulin.

Explanation:

Pancreatic juice is an enzyme containing secretion produced by the pancreas into the small intestine. Enzymes in the pancreas help in digesting proteins, carbohydrates and fats. The constituent enzymes are as follows:

  1. Trypsinogen and Chymotrypsinogen: Precursors of the proteases, trypsin and chymotrypsin that digest proteins. They are released as precursors to protect the intestinal lining. Enterokinase, an enzyme secreted by small intestine's epithelial cells, activates these precursor.
  2. Lipase: Enzyme that digests lipids by hydrolysing triglycerides into 2-monoglyceride and two free fatty acids.
  3. Amylase that helps in digesting any left over carbohydrates and complex starch.

Insulin:

Insulin can never be part of pancreatic juice because it is a hormone, not an enzyme. Hormones are chemical messengers secreted only in blood. Insulin is a hormone secreted by the pancreas to lower blood glucose levels by binding to insulin receptors on cells and stimulating the intake of glucose through glucose transport channels (GLUTs) in the cell membrane.

4 0
3 years ago
Diffusing molecules move ________ until they are ________. Through channels of active transport proteins; evenly distributed up
koban [17]

Answer;

-Down the concentration gradients; evenly distributed

Diffusing molecules move down the concentration gradients until they are evenly distributed.

Explanation;

Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.

-Whenever a substance exists in greater concentration on one side of a semipermeable membrane, such as cell membranes, any substance that can move down its concentration gradient across the membrane will do so. If the substances can move across the cell membrane without the cell expending energy, the movement of molecules is called passive transport.

-The mechanism of molecules moving across a cell membrane from the side where they are more concentrated to the side where they are less concentrated is a form of passive transport called simple diffusion.

4 0
3 years ago
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The process of evolution is based on _____. phenotypic inheritance genotypic inheritance
Afina-wow [57]
The process of evolution is based on the genotypic inheritance as the genes changes overtime.
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While observing a litter of puppies, Amy and Jose noticed that the puppies had a variety of black and white coat colors. They kn
White raven [17]

Explanation:

when dogs breed the mother and father each randomly contribute one allele from each locus giving each allele 50% chance of being passed down to the pups. one of the alleles at each locus is dominant and determines the traits like coat color

3 0
3 years ago
Wax melts when it is heated. Which most likely describes what is true of the result of this reaction?
andre [41]
<span>The same amount of wax exists before and after the change.

Wax when melted will be like liquid. Liquid has no definite shape, but definite volume.</span>
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3 years ago
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