Defining Life Review

The genetic/hereditary material that stores information of the genome of an organism is (a)  

• RNA
• DNA
• Protein
• Lipids

Answer explanation

The genetic/hereditary material that stores information of the genome of an organism is DNA, making it the correct choice.

Tags

NGSS.MS-LS3-1

Which of the following is NOT a part of the cell theory?

• All living things are made up of cells

• Cells are the basic units of structure and function of all living things

• All cells come from preexisting cells

• Cells can form crystals and still function

Answer explanation

Cells can form crystals and still function is NOT a part of the cell theory as cells do not form crystals and still maintain their function.

The term for the internal regulation of certain conditions to maintain stability in an organism is (a)  

• Evolution

• Homeostasis

• Metabolism

• Reproduction

Answer explanation

The term for the internal regulation of certain conditions to maintain stability in an organism is Homeostasis. Homeostasis refers to the body's ability to maintain stable internal conditions despite external changes.

Which process involves an increase in size and going through a life cycle or phases of growth?

• Metabolism

• Evolution

• Growth and Development

• Response to Stimuli

Answer explanation

The process that involves an increase in size and going through a life cycle or phases of growth is Growth and Development.

Match the following fields of study with their respective subjects.

• Study of viruses

• Parasitology

• Study of parasites

• Mycology

• Study of fungi

• Virology

• Study of bacteria

• Bacteriology

Answer explanation

The study of viruses is called virology, making it the correct choice among the options provided.

Tags

NGSS.MS-LS4-2

(a)   is a characteristic of viruses that is similar to living organisms.

• They contain organelles
• They can reproduce without a host c
• They contain genetic material
• They do not respond to the environm

Answer explanation

The characteristic of viruses that is similar to living organisms is that they contain genetic material.

Match the following terms with their definitions.

• A layer of fat molecules that make up the cell membrane.

• Membrane

• The outer layer of some viruses, derived from the host cell membrane.

• Envelope

• The protein shell of a virus that contains either DNA or RNA.

• Lipid layer

• A thin layer that forms the outer boundary of a cell or its organelles.

• Capsid

(a)   is NOT a characteristic of living organisms.

• Ability to evolve

• Ability to form crystals

• Ability to reproduce

• Ability to respond to stimuli

Answer explanation

Ability to form crystals is NOT a characteristic of living organisms because living organisms do not have the ability to form inorganic structures like crystals.

Match the following terms with their definitions in the context of scientific inquiry:

• An independent variable

• C) A factor in an experiment that is changed or manipulated

• A model

• D) A self-contained system within a larger system

• An argument

• A) A simplified representation of a system

• A subsystem

• B) A process for reaching agreements about explanations or solutions

Answer explanation

An argument in the context of scientific inquiry is a process for reaching agreements about explanations or solutions, making option B the correct choice.

Tags

NGSS.MS-LS1-3

NGSS.MS-ETS1-4

Which of the following is an answer to a scientific question?

• A) Data

• B) Evidence

• C) Claim

• D) Reasoning

Answer explanation

The correct answer is C) Claim because a claim is a statement that answers a scientific question based on evidence and reasoning.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS1-4