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Chapter 6: Problem 3

DNA replication involves unwinding two strands of parent DNA, copying each strand to synthesize complementary strands and releasing the resulting two semi-conserved strands of DNA. Which of the following accurately describes this process? a. This is an anabolic process. b. This is a catabolic process. c. This is both an anabolic and a catabolic process. d. This is a metabolic process, but is neither anabolic nor catabolic.

Short Answer

Expert verified
a. This is an anabolic process.

Step by step solution

01

Understand the Definitions

Review the definitions of anabolic and catabolic processes. Anabolic processes involve the synthesis of complex molecules from simpler ones, often requiring energy. Catabolic processes involve the breakdown of complex molecules into simpler ones, releasing energy.
02

Analyze DNA Replication

DNA replication involves the synthesis of two new DNA strands from existing ones, matching complementary nucleotides to the original strands, and forming new double helixes.
03

Determine the Process Type

Since DNA replication is building new DNA strands, it is a synthesis process. Synthesis processes match the definition of anabolic processes as they build complex molecules from simpler components.
04

Choose the Correct Option

Compare the identified process (anabolic) to the given options. The correct answer aligns with the description of an anabolic process.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

anabolic processes
Anabolic processes are crucial for building up cellular components and structures. They involve creating complex molecules from simpler ones.
For example, forming proteins from amino acids or synthesizing DNA from nucleotides. These processes usually require an input of energy, which is derived from ATP (adenosine triphosphate).
Anabolic processes are essential for growth, repair, and maintenance of cells and tissues. Since anabolic processes build molecules, they are critical during developmental stages or when cells need to repair damage.
catabolic processes
Catabolic processes are the opposite of anabolic processes. They break down complex molecules into simpler ones, releasing energy in the process.
For example, breaking down glucose during cellular respiration to produce ATP. The energy released in catabolic reactions is vital for driving anabolic processes and other energy-requiring activities within the cell.
By managing the balance between anabolism and catabolism, cells ensure they have the materials and energy needed for survival.
metabolic processes
Metabolic processes refer to all the chemical reactions that occur within a cell or organism to sustain life. These reactions can be either anabolic or catabolic.
Together, they help the body maintain its structure, respond to environmental changes, and support growth.
Metabolism involves a myriad of pathways that are interconnected, ensuring the smooth functioning of cellular activities, from energy production to waste elimination. Thus, maintaining a balanced metabolism is crucial for health and vitality.
synthesis
Synthesis in the context of biology specifically refers to the formation of complex compounds or molecules from simpler ones during anabolic processes.
For instance, during DNA replication, new strands of DNA are synthesized by matching nucleotides to the existing strands. This process is essential for cell division and replication.
Synthesis is fundamental in biological systems because it allows for the creation of necessary components like proteins, nucleic acids, and complex carbohydrates, which are crucial for cellular structure and function.

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Most popular questions from this chapter

How does enzyme feedback inhibition benefit a cell? a. Feedback inhibition benefits the cell by blocking the production of the products by changing the configuration of enzymes. This will prevent the cells from becoming toxic. b. Feedback inhibition benefits the cell by blocking the production of the reactants by changing the configuration of enzymes. This will prevent the cells from becoming toxic. c. Feedback inhibition benefits the cell by blocking the production of the products by changing the configuration of reactants. This will prevent the cells from becoming toxic. d. Feedback inhibition benefits the cell by blocking the production of the products by reducing the reactants. This will prevent the cells from becoming toxic.

Which of the following molecules is likely to have the most potential energy? a. A T P b. A D P c. glucose d. sucrose

How do chemical reactions play a role in energy transfer? a. Energy from the breakdown of glucose and other molecules in animals is released as ATP, which transfer energy to other reactions. b. Energy from the breakdown of glucose and other molecules in animals is released in the form of NADP, which transfers energy to other reactions. c. Energy is released in the form of glucose from the breakdown of ATP molecules. These ATP molecules transfer energy from one reaction to other. d. Energy is released in the form of water from the breakdown of glucose. These molecules transfer energy from one reaction to other.

It has been accepted that life on the Earth started out as single celled, simple organisms, which then evolved into complex organisms. How did evolution proceed to produce such a wide variety of living organisms from a simple ancestor? a. Prokaryotes produced the fungi, then the protists which then branches to plants and animals. b. Protists evolved first, then the prokaryotes, which branched into the fungi, plants, and animals c. Prokaryotes produced the protists, which branched into the fungi, plants, and animals. d. Prokaryotes produced the protists, then the fungi, which branched into the plants and animals.

Which of the terms in the Gibbs free energy equation denotes enthalpy? a. \(\Delta G\) b. \(\Delta H\) c. \(\Delta S\) d. \(\Delta T\)
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