1. Are proteins, ATP, enzymes, or ribozymes responsible for doing work in the cell? 2. During...

1. Are proteins, ATP, enzymes, or ribozymes responsible for doing work in the cell?

2. During fasting, what is the major source of energy? Glucose, lipids, water or protein.

3. Can glycolysis run in reverse?

4. Which of the four those base pairing involves, phosphodiester bonds, peptide bonds, glycosidic bonds, or hydrogen bonds?

5. What is the major role of DNA, generate ATP, synthesize proteins, fill the nucleus, or determine cell fate?

Expert Solution

1. ATP molecules are responsible for doing work in the cell. When they hydrolysed they release 7.3 kcal/mol energy which is utilised by the cell for doing a particular work.

2. At the time of fasting, lipids are the major source of energy because they are stored in our body for future use.

3. Glycolysis can run in reverse to produce glucose which is known as gluconeogenesis.

4. Hydrogen bonds are involved in base pairing. There are two hydrogen bonds between A and T and three hydrogen bonds between G and C.

5. The major role of DNA is protein synthesis. Some parts of the DNA are known as genes. Genes are transcribed into mRNA and mRNA is translated into protein. Proteins are responsible for determining the character of an organism.

gladiator answered 2 years ago

1. Are proteins, ATP, enzymes, or ribozymes responsible for doing work in the cell? Why? 2....

1. Are proteins, ATP, enzymes, or ribozymes responsible for doing work in the cell? Why? 2. Can glycolysis run in reverse? 3. Is the role of stomach acids to degrade, denature, synthesize, or inactivate proteins? 4. What is the sugar backbone of DNA generated by, phosphodiester bonds, peptide bonds, glycosidic bonds, or hydrogen bonds? 5. Proteins destined for cell export are synthesized in the nucleus, cytoplasm, mitochondria, or ER?

Question 2 Enzymes basically work by... A. Directly providing ATP for muscle contraction B. Lowering the...

Question 2 Enzymes basically work by... A. Directly providing ATP for muscle contraction B. Lowering the activation energy required to drive the reaction C. Combining with NAD+ to provide energy D. Helping oxygen attach to substrate during metabolism E. Both A and B Anaerobic glycolysis yields a net gain of... 5 ATP 10 ATP 8 ATP 2 ATP After a few minutes of easy jogging at a submaximal intensity, my oxygen consumption and heart rate reach a plateau and stay...

All of the followings are proteins except ______ 1.sickle-cell hemoglobin 2.hormones 3.collagen 4.enzymes 5.cellulose 6.steroids

B. PROTEINS 1. Chemical digestion of proteins by enzymes first begins in the stomach. Name the...

B. PROTEINS 1. Chemical digestion of proteins by enzymes first begins in the stomach. Name the gastric enzyme that initiates protein digestion. Explain how this enzyme is activated. 2. Pancreatic juice contains enzymes which digest proteins including trypsin and chymotrypsin. Name the ducts in the pathway by which pancreatic juice flows from the pancreas to the duodenum. 3. The products of chemical digestion of dietary proteins are amino acids (protein subunits), which are then absorbed into the bloodstream. Describe 3...

1.) a) What are two types of proteins in ATP synthase that collaboratively transport protons? Proteins...

1.) a) What are two types of proteins in ATP synthase that collaboratively transport protons? Proteins Alpha and Beta Proteins A and C Proteins B and A b) Where would you find higher proton gradient or proton motive force? In the inner membrane space In outer membrane space c) Increased expression or activity of uncoupling proteins in pancreatic beta cells increases the risk of diabetes. Why is that? Increased expression or activity of uncoupling proteins increases ATP synthesis, which signals...

Explain how cell-free extracts were used to identify the enzymes responsible for replication, transcription and translation....

Explain how cell-free extracts were used to identify the enzymes responsible for replication, transcription and translation. Describe the process of replication and the enzymatic steps associated with the process. • Explain the phenomenon of DNA renaturation. Compare the amount of genomic DNA that you might in a variety of organisms (bacteria, viruses, humans). Explain the type of genome of RNA viruses and list the general mechanisms (enzymes) that they use to replicate their genomes.

1.Describe structure and function of cell membrane. 2. Define enzymes and describe their function

How do all the parts of the cell work together to produce proteins.

1. Why is ATP synthase considered an active transporter? 2. Why is deleterious to a cell...

1. Why is ATP synthase considered an active transporter? 2. Why is deleterious to a cell that DNA can be crosslinked, which forms covalent bonds between the two strands? 3. Describe all of the negative and positive controls used in the Pasteur experiment that disproved spontaneous generation, and briefly describe why each was included. 4. Why is a pH indicator used in cell culture media? 5. In biology we describe 10 important universal features of cells, #7 is that life...

1. ATP is needed to phosphorylate enzymes in the cascade pathway for glycogen phosphorylase. It also...

1. ATP is needed to phosphorylate enzymes in the cascade pathway for glycogen phosphorylase. It also serves as an allosteric effector. A) Describe the effects of the cascade and the allosteric effects of ATP. B) If ATP levels are high, what is the most likely outcome for the activity of glycogen phosphorylase? Explain your reasoning.

Question