Chapter 2 Mixed Test

False (B)

Organelles

<p>factories</p> Signup and view all the answers

<p>Cell membrane = Controls what enters and leaves the cell Nucleus = Contains the cell's genetic material (DNA) Mitochondria = Powerhouse of the cell; produces energy Cytoplasm = Gel-like substance that fills the cell and supports the organelles</p> Signup and view all the answers

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

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

<p>Mitochondria are responsible for cellular respiration, which generates energy (ATP) for the cell's activities.</p> Signup and view all the answers

<p>cell wall</p> Signup and view all the answers

<p>Cytoplasm = Gel-like substance that fills the cell and contains organelles Vacuole = Storage of water, nutrients, and waste products Chloroplasts = Carry out photosynthesis, converting light energy into chemical energy Mitochondria = Produce energy (ATP) through cellular respiration Nucleus = Control center of the cell, containing DNA and regulating cellular activities</p> Signup and view all the answers

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

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

<p>The cell membrane regulates the passage of substances in and out of the cell, controlling what enters and exits.</p> Signup and view all the answers

<p>It shriveled. (B)</p> Signup and view all the answers

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

<p>Osmosis</p> Signup and view all the answers

<p>the same</p> Signup and view all the answers

<p>Selectively permeable = The movement of substances from an area of high concentration to an area of low concentration D = i A =<br /> O = s T = h</p> Signup and view all the answers

<p>The color of the solution (D)</p> Signup and view all the answers

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

<p>You can ensure a fair test by keeping all variables except the independent variable constant.</p> Signup and view all the answers

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

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

<p>Microorganisms</p> Signup and view all the answers

<p>unicellular</p> Signup and view all the answers

<p>Digestion (D)</p> Signup and view all the answers

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

<p>Specialized structures</p> Signup and view all the answers

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

<p>Antony van Leeuwenhoek</p> Signup and view all the answers

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

<p>Cells in multicellular organisms interact to coordinate functions, share resources, and maintain the overall health and development of the organism.</p> Signup and view all the answers

<p>Unicellular = Consisting of a single cell Multicellular = Consisting of many cells Organelle = A specialized structure within a cell Microscope = A tool used to magnify small objects Specimen = The object being examined under a microscope</p> Signup and view all the answers

<p>Simple light microscope (A)</p> Signup and view all the answers

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

<p>The Inquiry Activity aims to help students observe and identify cell structures using a simple light microscope.</p> Signup and view all the answers

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

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

<p>The waterproof layer helps protect the plant from excessive water loss and dehydration.</p> Signup and view all the answers

<p>phloem</p> Signup and view all the answers

<p>Xylem = Transporting water Phloem = Transporting food Protective tissues = Protecting the plant Storage tissues = Storing food</p> Signup and view all the answers

<p>Transporting food to the leaves (B)</p> Signup and view all the answers

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

<p>Cells are the smallest functional unit of living organisms, capable of carrying out all the essential processes necessary for life.</p> Signup and view all the answers

A microscope that uses electrons to magnify small structures in cells.

Specialized structures within a cell that perform specific functions.

Cannot resolve all cellular structures effectively.

Cells organize their internal components to function like factories.

Organelles known as the powerhouses of the cell, producing energy.

Organisms made up of two or more cells, like plants and animals.

Organisms made up of a single cell, such as bacteria and mycoplasma.

Single-celled plants with chloroplasts found in water and soil.

A large unicellular organism visible to the naked eye, part of the algae family.

Developed parts within unicellular organisms to perform specific functions.

Eat, move, react to stimuli, eliminate waste, reproduce, all with one cell.

Diatoms and other unicellular organisms play key roles in ecosystems as food sources.

Unicellular organisms perform functions independently, multicellular depend on specialized cells.

A membrane-bound organelle that stores materials like water and nutrients.

The control center of the cell, containing DNA and managing cell activities.

A rigid layer that provides support and protection to plant cells.

A semi-permeable barrier that surrounds the cell and regulates what enters and exits.

The jelly-like fluid inside the cell where organelles are located and cellular processes occur.

Organelles in plant cells that carry out photosynthesis, converting sunlight into energy.

Animal cells lack a cell wall and chloroplasts, while plant cells have both.

Microscopic animals known for surviving extreme conditions.

Plant tissue that transports food from leaves to other parts.

Plant tissue that transports water and nutrients from roots to leaves.

Layers in plants that offer protection and absorb water.

Tissues in plants responsible for moving substances like water and food.

Tissues that store food and support plant structure.

Tiny projections from roots that absorb water and nutrients from soil.

Different types of tissues in the stem that support and transport.

Cells that perform specific functions in multicellular organisms.

Dutch scientist known as the first to observe unicellular organisms.

A tool used to observe tiny structures like cells.

A simple type of microscope that uses light to magnify objects.

A method to prepare live specimens for observation under a microscope.

The steps taken to examine live organisms under a microscope.

The movement of water across a selectively permeable membrane from low to high solute concentration.

A property of cell membranes that allows certain substances to pass while blocking others.

The process where particles spread from an area of high concentration to an area of low concentration.

When a cell in saltwater loses water due to higher solute concentration outside.

When a cell in pure water gains water due to a higher concentration inside.

A process that removes contaminants from water by pushing it through a semipermeable membrane.

The difference in solute concentration across a membrane.

Regulates what enters and exits the cell, maintaining homeostasis.