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Question and answer
Q: Carbohydrates, lipids, proteins, and nucleic acids all have different structures and functions, but are all formed around which type of atom? A. oxygen B. hydrogen C. carbon D.
nitrogen
A: All are formed around carbon atoms.
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Original conversation
User: Carbohydrates, lipids, proteins, and nucleic acids all have different structures and functions, but are all formed around which type of atom? A. oxygen B. hydrogen C. carbon D. nitrogen

Weegy: All are formed around carbon atoms.
rdsa77|Points 8679|

User: What are the precursors that make up macromolecules? A. polymers B. sulfates C. carbohydrates D. monomers

Weegy: A. polymer
bikbak04|Points 942|

User: Which statement about lipids is true? A. Lipids are hydrophilic. B. Lipids are inorganic molecules. C. Lipids contain high-energy bonds. D. Lipids form a mono-layered cell membrane.

Weegy: C. Lipids contain high-energy bonds.
jher000|Points 7463|

User: Where do lipids and carbohydrates store usable energy? A. in the nuclei of hydrogen B. in the electron clouds of oxygen C. in the protons of the atoms D. in the bonds between the atoms

Weegy: D. in the bonds between the atoms
selymi|Points 8522|

User: Which macromolecule stores the most energy? A. lipid B. protein C. nucleic acid D. carbohydrate

Weegy: B. proteins
bikbak04|Points 942|

User: Which statement describes the bonds in an unsaturated fatty acid? A. There are only carbon-carbon single bonds in an unsaturated fatty acid. B. There are only hydrogen-hydrogen single bonds in an unsaturated fatty acid. C. There is at least one carbon-carbon double bond in an unsaturated fatty acid. D. There is at least one hydrogen-hydrogen double bond in an unsaturated fatty acid.

Weegy: B. There are only hydrogen-hydrogen single bonds in an unsaturated fatty acid.
selymi|Points 8522|

User: What is the primary function of DNA?

Weegy: Most simply, DNA is the control center for everything that goes on in the cell, like a blueprint with the plans for all the steps that must happen for everything to function correctly. [ It is what people refer to when they talk about "genes." DNA stands for deoxyribose nucleic acid and it is made of subunits called nucleotides. It holds all the codes that are used for making proteins, and proteins are important for cells to grow and function normally. ]
Fanboy|Points 2021|

User: What is the primary function of DNA? A. to provide chemical energy for cells B. to transmit messages between cells C. to store instructions for protein synthesis D. to regulate reactions that maintain homeostasis

Weegy: C. to store instructions for protein synthesis
selymi|Points 8522|

User: Carbohydrates, lipids, and proteins are types of carbon compounds that are broken down to produce A. DNA. B. ATP. C. oxygen. D. glucose.

Weegy: D. glucose.
selymi|Points 8522|

User: How do organisms benefit from the breakdown of carbohydrates? A. The breakdown of carbohydrates releases chemical energy that can be used by cells. B. The breakdown of carbohydrates releases amino acids that are used to build proteins. C. The breakdown of carbohydrates releases phosphates that are used to build cell membranes. D. The breakdown of carbohydrates releases atmospheric oxygen that can be used by living things.

Weegy: B. The breakdown of carbohydrates releases amino acids that are used to build proteins.
selymi|Points 8522|

User: What do the structures of carbohydrates, lipids, proteins, and nucleic acids have in common? A. They contain a polar head and a nonpolar tail. B. They are formed around carbon chains and rings. C. They are formed around nitrogen chains and rings. D. They contain an amino group and a carboxyl group.

Weegy: D. They contain an amino group and a carboxyl group.
selymi|Points 8522|

User: How do lipids enable animals to survive for months without eating any food? A. Lipids store energy that is used when food supply is low. B. Lipids release energy from carbohydrates when food supply is low. C. Lipids build proteins that are used for energy when food is not available. D. Lipids recycle waste products for reuse as energy when food is not available.

Weegy: A. Lipids store energy that is used when food supply is low.
selymi|Points 8522|

User: What is the precursor for proteins? A. glycogen B. amino acids C. glucose D. nucleic acids

Weegy: Try B: Amino Acids. Amino Acids are tiny proteins that, when joined together, they make long proteins.
Ealisa123|Points 10|

User: What must scientists know in order for them to artificially produce proteins? A. the type of lipids used to build cell structures B. the blood type found in individual organisms C. the sequence of amino acids in gene structure D. the amount of carbohydrates available for energy

Weegy: The answer is C. the sequence of amino acids in gene structure.
AwesomeGuy200|Points 1123|

User: Where in the cell does the translation of proteins occur? A. in the nucleus, where genetic information is stored B. in the cytoplasm, where ribosomes are located C. in the mitochondria, where energy is supplied D. in the plasma membrane, where movement is controlled

Weegy: C. in the mitochondria, where energy is supplied
bikbak04|Points 942|

User: Which statement BEST explains why different proteins have different shapes and chemical properties? A. Proteins form at different temperatures. B. Proteins have different amino acid sequences. C. Enzyme activity changes the shape of a protein. D. The shape of a protein determines its chemical properties.

Weegy: B. Proteins have different amino acid sequences.
bikbak04|Points 942|

User: During translation, what catalyzes the bond formation between amino acids? A. mRNA codon B. anticodon C. ribosome D. nucleotide





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Asked 6/28/2012 5:27:41 PM
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