Question 25 (1 What is the name of the element that is concentrated all over the Earth that coincides with the impact that killed off the dinosaurs? O ytterbium cerium O iridium O scandium

Q: The following is a triglyceride molecule. CH2-0-C-(CH)1CH3 CH-0- C-(CH)1CH CH2-0-C-(CH)1CH O True O…

A: A triglyceride is an ester derived from glycerol and three fatty acids.

Q: Arrange the following electromagnetic radiation in decreasing (nighost to lowest) order of frequency…

A: Different electromagnetic rays have different wavelengths, frequencies, and energy.Coming to the…

Q: In Chapter 1 of Astrobiology, A Very Short Introduction, the author talks about some special…

A: 1) It acts as a stable medium for biochemical processes. Water’s ability to dissolve most…

Q: Methylene Blue is a compound that might be provided as an antidote to cyanide poisoning. Please…

A: Methylene Blue is a that has a variety of uses in both medical and non-medical applications. Its…

Q: The mass number for an isotope is 14. This isotope could be: a carbon atom with 8 neutrons an oxygen…

A: Mass number of an atom is the sum of the number of protons and neutrons in the nucleus of the atom.…

Q: QUESTION 19 Which of the following is not found in DNA? O a. Adenine O b. Uracil O c. Guanine O d.…

A: Introduction:- The hereditary substance in humans and almost all other animals is DNA, or…

Q: Which of these does not describe X ray crystallography? O X ray crystallography reveals the location…

A: Question- Which of these does not describe X ray crystallography? x ray crystalliography reveals…

Q: Question 3.5 Unanswered • 2 attempts left What type of macromolecule is the structure in the image?…

A: Option A: Carbohydrate Carbohydrates are also known as hydrates of carbon that consist of carbon…

Q: Question 8 In water, leftover positive forces on hydrogen attracted to leftover negative forces on…

A: In water, the structure and the charge of the atoms present on it give the ability for the molecules…

Q: Burning fuel for for warmth or power -- whether the fuel is wood or fossil fuels ike gasoline,…

A: Combustion:  It is an exothermic redox chemical reaction that occurs between a fuel and an oxidant .…

Q: QUESTION 10 Which of the following information is primarily obtained from infrared spectroscopy? O…

A: Infrared spectroscopy is a type of spectroscopy, in which a molecule and its property detected on…

Q: With the exception of He, elements with two valence electrons will be considered: O Metals…

A: A valence electron is an electron that is associated with an atom, and that can participate in the…

Q: QUESTION 3 All of the following are examples of decomposers or detritivores EXCEPT: - Athyrium…

A: Examples of deecomposers or detritivores are the :-

Q: Biological reactions that are used for the production of energy are pathways. Biological reactions…

A: Biomolecules present in living cells are synthesized and transformed into other biomolecules. There…

Q: Classify the following as an Alcohol, Phenol, Thiol, Ether, Aldehyde or Ketone. ОН CH HÇ HC CH CH OA…

A: Organic compounds are the chemical compounds that deals with the bonding of one or more carbon atom…

Q: On Earth the equator regions are warmer than the north and south poles because the polar atmosphere…

A: An equator is a imaginary line around the middle of earth or any spherical object like planet, star,…

Q: Question 7 Which of the following is a chemical property? temperature

A: Chemical properties are very much useful in the purification of a compound.

Q: Identify the amino acid shown below. (Note: single letter code is provided as answer) H,N-C-COOH CH2…

A: Amino acids are the building blocks of proteins. The building blocks of living organisms are amino…

Q: MSA/mannitol salt agar plate is selective because: O it allows only gram positive bacteria to grow O…

A: Mannitol salt agar(MSA) It is a selective medium used for the isolation, enumeration and…

Q: Two tubes are attached to one another in series. The first tube has a diameter that is 3 times…

A: Given: Need to find what happens to velocity of the first tube diameter is three times larger than…

Q: Question 1 Endothermic animals such as snakes are often seen "sunning" themselves on a rock to…

A: Endothermic animals such as Snake are often seen sunning themselves on a rock to absorb the heat of…

Q: In the accompanying figure, the atomic number refers to the:

A: The given is C (carbon) The atomic number is 6 The mass number is 12

Q: The red dotted lines represent O peptide bonds hydrogen bonds O covalent bonds O hydrogen bonds…

A: A motif in protein structure refers to a chain-like biological structure made up of connectivity…

Q: Question 1: Part a: Graph Y = [I] / (Ki + [I]) as a function of [I] and Ki = 2 µM; and describe the…

A: Part a:The equation Y = [I] / (Ki + [I]) represents a fractional saturation curve, often used in…

Q: This is true of most anabolic reactions: O They occur in your digestive system O They release energy…

A: Anabolic reactions are the reactions involved in the process of metabolism; these reactions join…

Q: What is the approximate atomic mass of an atom with 16 neutrons, 15 protons and 15 electrons?

A: Atomic mass is described as the number of protons and neutrons in an atom.

Q: Which of the following statements is TRUE? O Right-handed (D) amino acids are unstable, and this is…

A: Amino acids are building blocks of proteins .where they grouped into four categories based on…

Q: 33 of 48 A radioisotope is all the following except an isotope with different number of neutrons…

A: Radioisotopes can be defined as atoms that contain an unstable combination of neutrons and protons…

Q: A crystal of sodium chloride ( in the absence of water) would contain bonds. O lonic O all of the…

A: An enzyme is a biocatalyst that increases the rate of chemical reaction without itself being changed…

Q: Question 15 Which atom will have the largest oxidation state; F-, the sodium in NaCl, the calcium in…

A: Oxidation number, also called oxidation state, is the total number of electrons that an atom either…

Q: QUESTION 3 Classify the following as an Alcohol, Phenol, Thiol, Ether, Aldehyde or Ketone CH2 OH H2C…

A: When there is an attachment of OH (hydroxyl group), the suffix is added as -ol after the…