Cell Division and Protein Synthesis Overview

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What is biology defined as?

The study of energy processing in cells
The scientific study of life (correct)
The study of cell organization
The study of chemical reactions in living organisms

Which of the following is NOT a characteristic of life?

Regulation
Random growth and development (correct)
Evolutionary adaptation
Response to the environment

What is the structural and functional unit of life?

Cell (correct)
Organism
Tissue
Organ

Which of the following is responsible for regulating the internal environment of an organism?

Organelles (C) Signup and view all the answers

What controls the pattern of growth and development in all organisms?

DNA (B) Signup and view all the answers

How do organisms respond to environmental stimuli?

By responding to external cues (C) Signup and view all the answers

What is the basis for all reproduction and for the growth and repair of multicellular organisms?

The ability of cells to give rise to new cells (D) Signup and view all the answers

How can cells be compared to building blocks according to the text?

Cells can make more cells, just like building blocks can be used to make new things (B) Signup and view all the answers

In the text, how are single-cell bacteria and other unicellular organisms described in comparison to multicellular organisms?

They outnumber multicellular organisms on Earth (B) Signup and view all the answers

What analogy is made between a cell and a tiny house in the text?

A cell is like a small room within a big house (B) Signup and view all the answers

What is the function of cells in helping living things grow bigger, according to the text?

Cells can divide and make more cells (C) Signup and view all the answers

Why are cells compared to a city in the text?

To emphasize that cells have their own rules and ways of functioning like cities (B) Signup and view all the answers

What is the first step that occurs before cell division?

DNA is replicated or copied (C) Signup and view all the answers

During gene expression, what molecule carries genetic information to the protein manufacturing machinery in the cell?

RNA (B) Signup and view all the answers

What is the ultimate result of the translation of nucleotide sequences in RNA into protein building blocks?

Formation of a specific protein with a unique shape and function (C) Signup and view all the answers

How is genetic information usually linked with information from the external and internal environment?

By receiving stimuli through receptors and relaying information within the body (C) Signup and view all the answers

What influences the behavior of individual cells by changing the activity of existing proteins or regulating gene expression?

Flow of information reaching individual cells (A) Signup and view all the answers

How are structure and function related when considering objects around your home?

Form generally fits function (C) Signup and view all the answers