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What is the maximum number of 1to1 compounds that can be formed from four different elements?
The maximum number of 1-to-1 compounds that can be formed from four different elements is six. This is because each element can form a 1-to-1 compound with each of the other three elements, resulting in a total of six unique combinations.
8 What are two genetic characteristics that cause Ames test strains to be particularly sensitive to mutagenic agents?
All strains are also deleted for the uvrB gene. so 1. uvrB is necessary for DNA repair; 2. its lack results in greater sensitivity to mutagenic agents.
How many different codons can code for the amino acid tryptophan (Trp) A) 1 B) 3 C) 4 D) 6?
A) 1. The amino acid tryptophan (Trp) is encoded by only one codon in the genetic code, which is UGG. This makes it unique among the amino acids, as most others are encoded by multiple codons.
What are the formulas for the binary ionic compounds formed between lithium and oxygen?
The formulas for the binary ionic compounds formed between lithium and oxygen are Li2O and Li2O2. Li2O is lithium oxide, where lithium forms a +1 charge and oxygen forms a -2 charge. Li2O2 is lithium peroxide, where lithium forms a +1 charge and oxygen forms a -1 charge.
Which compounds formed when group 1 react with group 7?
When group 1 elements (alkali metals) react with group 7 elements (halogens), they form ionic compounds known as halides. For example, sodium (Na) reacts with chlorine (Cl) to produce sodium chloride (NaCl). In this reaction, the alkali metal donates an electron to the halogen, resulting in the formation of positively charged metal ions and negatively charged halide ions. These compounds are typically crystalline solids with high melting and boiling points.
What are some common compounds formed from carbon?
graphite is 1 of many
What is the maximum number of 1to1 compounds that can be formed from four different elements?
The maximum number of 1-to-1 compounds that can be formed from four different elements is six. This is because each element can form a 1-to-1 compound with each of the other three elements, resulting in a total of six unique combinations.
1 Show the primary structure of the polypeptide with the abbreviated structure of Gly-Phy-Trp-Val-His?
The primary structure of a polypeptide with the sequence Gly-Phy-Trp-Val-His is: Glycine-Proline-Tryptophan-Valine-Histidine.
What are elements and compounds made of?
1. Compounds molecules are formed from chemical elements. 2. Each element is formed from specific atoms. 3. Each atom contain protons, neutrons and electrons. 4. Protons and neutrons contain quarks and gluons.
What are facts about compounds?
1. -are 2 words2. -you use at least 1 every day , unless you dont talk3. - compound words are made up of 2 WORDS THAT ARE MORE THAN 3 LETTERS longexamples are------------ some-times and Web-kinz.com, a websitethere are only 100 or so elements but they can combine in different ways to form many millions of compounds
8 What are two genetic characteristics that cause Ames test strains to be particularly sensitive to mutagenic agents?
All strains are also deleted for the uvrB gene. so 1. uvrB is necessary for DNA repair; 2. its lack results in greater sensitivity to mutagenic agents.
How many different codons can code for the amino acid tryptophan (Trp) A) 1 B) 3 C) 4 D) 6?
A) 1. The amino acid tryptophan (Trp) is encoded by only one codon in the genetic code, which is UGG. This makes it unique among the amino acids, as most others are encoded by multiple codons.
How is lac operon different from trp operon?
1. in lac operon; gene activity is induced when lactose is present in the medium, whereas in case of trp operon, repression of the gene activity takes place in presence of tryptophan in the medium. 2. lac operon spans about 4-6kb...whereas trp operon spans abut 7kb. 3. lac operon helps in the breakdown of lactose into glucose and galactose, to generate energy( catabolic pathway ) in case of trp operon, it helps in the synthesis of enzymes required for the formation of the amino acid Tryptophan( anabolic pathway ). 4. lac operon is an example of positive regulation ; and trp operon is an example of negative regulation. Trp operon is also regulated by other mechanism called attenuation while no such even occurs in lac operon . .
The subscript of potassium in a compound formed between potassium and sulfur is?
The subscript of potassium in a compound formed between potassium and sulfur would be 1, as it is understood to exist as K+ in ionic compounds.
How do you use combining ratios to distinguish the alkali metals from the alkaline earth metals?
Alkali metals have a +1 oxidation state and form compounds with a 1:1 ratio of metal to other element, while alkaline earth metals have a +2 oxidation state and form compounds with a 1:2 ratio. By analyzing the stoichiometry of compounds formed with these metals, you can distinguish between alkali metals and alkaline earth metals.
What transition metals have a valence of 1?
Compounds formed from the last group -so Cu, Ag, Au. Copper and Silver in particular have quite a few compounds with valency 1. AgCl, AgBr, AgI etc. Cu (I) analogues also.
What are two properties of covalent compounds?
1.They exist as gases, liquids or solids with low melting points because the forces of attraction between the molecules are weakAND2. they generally do not conduct electricity because they are not made up of ions.hope this has helped. :D
