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My name is Ann [436]
3 years ago
15

What is artificial selection?

Biology
1 answer:
tatiyna3 years ago
7 0

Artificial selection, also selective breeding occurs when humans breed individuals that have specific characteristics that they want to manipulate.

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Geologists found fossils of similar marsupials from the same time period across South America, Africa, Antarctica, India and Aus
bogdanovich [222]

Answer:

A. Those continents were once a part of one supercontinent.

Explanation:

This so called supercontinent is called Pangea, which existed during the late Paleozoic and early Mesozoic eras, and assembled approximately 335 million years ago, which began to break apart about 175 million years ago.

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3 years ago
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Which of these choices allows people to pass down survival techniques from
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Answer: Communication

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3 years ago
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A protein that contains all eight essential amino acids is called a ____.Question 4 options: total protein hydrated protein full
Rudik [331]
Proteins are built from simpler organic compounds called:Amino AcidsThe element nitrogen can be found only in:ProteinThe chemical structure that forms the base component of an amino acid is the:Amino GroupThe simplest amino acid is:GlycineThe number of different amino acids that make up human proteins is:20The number of amino acids that are considered indispensable or essential is:9Two amino acids are chemically joined by a:Peptide bondAmino acids that can be synthesized by the body in sufficient amounts are know as:DispensableAn important characteristic of amino acids is that they can:act as buffersAn example of a protein is:HemoglobinAn example of a tissue protein is:antibodiesA protein that contains all the essential amino acids in the proper proportion is called:CompleteAn animal protein that has negligible value as a dietary protein source when eaten alone is:GelatinProteins from plant sources such as grains, nuts, and legumes are classified as:IncompleteAn example of a complete protein is:MilkThe most significant measure of the protein quality of diet depends on the:Variety of foods consumedInfections are common in people who have inadequate protein intake because of an insufficient quantity of"AntibodiesThe nutrient that has a protein-sparing effect is:CarbohydrateThe amino acids methionine and tryptophan play a role in:Forming neurotransmittersAn example of someone who is vulnerable to health claims for amino acid supplements is:A 20-year-old male who wants to build muscleProteins are absorbed primarily in the form of:Amino AcidsPepsinogen secreted by the gastric cells is converted into pepsin by:Hydrochloric AcidThe gastric enzymes present in infants that coagulates milk is:RenninThe enzyme trypsin is activated by:EnterokinaseWhich of the following enzymes is found in pancreatic secretions:ChymotrypsinTrypsin and chymotrypsin are secreted by the:PancreasAminopeptidase and dipeptidase are secreted by the:Small intestinesAmino acids:Are water solubleAmino acids are absorbed by:Active TransportA nursing infant receives antibodies from its mother through:Absorption of antibodiesThe name of the state of dynamic equilibrium in which there is a constant ebb and flow of materials within the body is:HomeostasisA constant turnover of protein occurs between:Tissue and plasmaThe tissue that has the highest rate of protein turnover is the:Intestinal MucosaThe phase of metabolism that makes growth and repair possible is:AnabolismA negative nitrogen balance occurs in:An older adult with anorexiaAmmonia and urea are waste products from the metabolism of:amino acidsIt the excretion of nitrogen exceeds the nitrogen intake, the condition is called:Negative nitrogen balanceA period of the life cycle during which positive nitrogen balance is most likely to occur is:ChildhoodProtein catabolism is increased in health problems such as:Burn injuryThe recommended dietary intake of protein for adults is:0.8 g/kgOne of the potential consequences of eating an excess amount of dietary protein is to:Impair kidney functionThe type of food that provides the most frequent source of dietary protein for Americans is:MeatsThe greatest proportion of dispensable amino acids is provided by:EggsThe chemical score of a protein is:The ratio of indispensable amino acids in a food versus a high-quality protein reference foodWhen analyzing the amino acid composition of foods, the amino acid occurring in the smallest amount is classified as:LimitingA good reason that people choose to follow a vegetarian diet is:Health factorsA vegetarian diet in which dairy foods and eggs are included is know as:;LactoovovegetarianT or F: There are enzymes for protein digestion in the mouth:False, there are none.What elements start the breakdown of protein in the stomach:HCL Hydrochloric acid, Pepsinogen and RenninWhat does HCL do to the protein in the stomach:Denatures the protein. Unfolds the structure so enzymes can work on the proteinWhat purpose does rennin serve in the breakdown of protein:Digestion; Coagulates the milk protein for infants
5 0
3 years ago
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How many monosaccharide molecules are needed to form one sucrose molecule
Vaselesa [24]

Answer:

The answer to your question is: two

Explanation:

Sucrose is a disaccharide composed by two disaccharides: glucose and fructose. Sucrose is found in plants. Its molecular formula is:

                                        C₁₂H₂₂O₁₁

5 0
4 years ago
Describe two different ways does sedimentary rock can become igneous rock.
Kipish [7]
When sedimentary are heated with tremendous heat and pressure, it will melt and be back again to magma. But after some time it will cool and harden and will become Igenous rock.
6 0
2 years ago
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