Relative Sizes of Cellular Structures

Provides support and protection.

Photosynthesis.

Helps maintain cell shape and stores substances.

<p>False (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Centrioles (C)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Calculating the exact volume of a specific organelle (D)</p> Signup and view all the answers

<p>Animal and plant cells are generally larger than the nucleus.</p> Signup and view all the answers

The basic units of life, classified into two main types: animal cells and plant cells.

The thin outer layer of a cell that controls what enters and leaves the cell.

The control center of the cell, containing DNA, the blueprint for building and maintaining the cell.

A jelly-like substance within the cell where many cell activities occur.

Structures in a cell that produce energy for the cell through respiration.

Tiny structures in a cell where proteins are made.

A rigid outer layer found only in plant cells, providing structure and support.

Structures found only in plant cells containing chlorophyll, which captures light energy for photosynthesis.

A fluid-filled sac found in plant cells, maintaining cell shape and storing substances.

Cells that lack a membrane-bound nucleus and other membrane-bound organelles, such as bacteria.

Cells that have a membrane-bound nucleus and other membrane-bound organelles, such as animal and plant cells.

The process by which plants use light energy to convert carbon dioxide and water into glucose and oxygen.

The process by which cells break down glucose to release energy in the form of ATP.

The range of sizes for different cellular structures.

A unit of measurement often used for cell sizes, equal to one millionth of a meter.

A general assessment of size without precise measurements.

A precise determination of size using instruments like micrometers.

Using estimations of cell size to quickly determine the type of cell (animal or plant).

Comparing the sizes of organelles within a cell to understand their relative proportions.

Identifying abnormally large or small structures in a cell, which could indicate issues.

The process of calculating the size and area of sub-cellular structures using geometric shapes.

A three-dimensional shape like a ball, used to approximate the shape of a nucleus.

A three-dimensional shape like a can, used to approximate the shape of a mitochondrion.

A three-dimensional shape with six rectangular sides, used to approximate other structures.

The distance across a circle, passing through the center.

The distance from the center of a circle to its edge.

The amount of surface covered by a two-dimensional object.

The amount of space occupied by a three-dimensional object.

The mathematical constant approximately equal to 3.14159.