Biology Chapter 1 Quiz

<p>They contain membrane-bound organelles. (C)</p> Signup and view all the answers

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

<p>Carbohydrates, proteins, nucleic acids, and lipids (A)</p> Signup and view all the answers

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

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

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

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

<p>They target the unique characteristics of bacterial cells, such as their cell wall. (D)</p> Signup and view all the answers

<p>Enclosing and protecting the cell's DNA (C)</p> Signup and view all the answers

<p>A hypothesis is a testable explanation, while a theory is a broadly-accepted explanation supported by extensive evidence. (D)</p> Signup and view all the answers

<p>Both the concentration of hydrogen ions (H+) and the acidity of a solution (C)</p> Signup and view all the answers

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

<p>All of the above. (D)</p> Signup and view all the answers

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

<p>A type of study that compares people with a disease to those without the disease to identify possible causes. (C)</p> Signup and view all the answers

<p>They have multiple chromosomes. (A)</p> Signup and view all the answers

<p>To verify the accuracy and validity of the research findings. (A)</p> Signup and view all the answers

<p>All of the above. (D)</p> Signup and view all the answers

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

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

<p>It is typically supported by hundreds of data points. (B)</p> Signup and view all the answers

<p>Scientific evidence is more reliable because it is tested and verified. (D)</p> Signup and view all the answers

<p>All of the above. (D)</p> Signup and view all the answers

<p>By isolating the variable of interest (A)</p> Signup and view all the answers

<p>Conclusions are based on personal experience only. (D)</p> Signup and view all the answers

<p>Number of researchers involved (C)</p> Signup and view all the answers

<p>All of the above. (D)</p> Signup and view all the answers

<p>It can be disproven through experimentation. (B)</p> Signup and view all the answers

<p>It helps us to develop and test theories. (B)</p> Signup and view all the answers

<p>Extract energy from food (A)</p> Signup and view all the answers

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

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

<p>Cellular support and movement (B)</p> Signup and view all the answers

<p>Break down worn-out cell parts (A)</p> Signup and view all the answers

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

<p>The rough ER is studded with ribosomes, while the smooth ER is not. (A)</p> Signup and view all the answers

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

<p>They are made of repeating units called monomers, which are simple sugars. (C)</p> Signup and view all the answers

<p>Carbon can form multiple covalent bonds with other atoms. (D)</p> Signup and view all the answers

<p>Lipids are hydrophobic molecules, which means they do not mix well with water. (A)</p> Signup and view all the answers

<p>To separate the contents of the cell from its environment. (B)</p> Signup and view all the answers

<p>Proteins are made of repeating units of amino acids, folded into a three-dimensional shape. (C)</p> Signup and view all the answers

<p>Water molecules have a strong tendency to repel each other due to their polarity. (B)</p> Signup and view all the answers

<p>DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. (B)</p> Signup and view all the answers

<p>Atoms are the smallest units of an element, while elements are composed of different types of atoms. (D)</p> Signup and view all the answers

Evidence derived from personal observation and experience, not systematically tested.

Evidence from systematic observation and experimentation using testable and falsifiable hypotheses.

A process where experts evaluate the research before publication to ensure validity.

Observation conducted in a structured manner to gather reliable data.

A testable statement predicting the outcome of an experiment.

Mathematical methods used to analyze data and determine significance.

The formal release of research results in scientific journals after peer review.

The degree to which evidence can be trusted to lead to accurate conclusions.

Anything that takes up space and has mass.

The smallest unit of an element that retains its properties.

A key component of life’s molecules, forming covalent bonds.

The sharing of a pair of electrons between two atoms.

Four types of large molecules that make up living things: carbohydrates, proteins, lipids, and nucleic acids.

Made of repeating subunits of simple sugars; also called monomers.

Folded polymers made of repeating units of amino acids.

A molecule with uneven sharing of electrons, leading to partial charges.

A process for seeking answers using observations and experiments.

Elements that distinguish the tested variable from others.

Determined by study type, sample size, and design.

Assessing the design and conclusions of a study for accuracy.

Observational studies comparing affected individuals to controls.

Features that define living organisms, including growth and reproduction.

Substances that kill bacteria without affecting humans or animals.

All living things are composed of cells, and new cells arise from existing cells.

Cells without membrane-bound organelles, including a nucleus.

Cells that have membrane-bound organelles, including a nucleus.

An organelle that encloses the cell’s DNA and interprets genetic instructions.

The diffusion of water across a semipermeable membrane until concentrations are equal.

Process that moves solutes against concentration gradient, requiring energy.

Movement of substances from higher to lower concentration without energy.

A network of membranes where proteins and lipids are synthesized.

A type of endoplasmic reticulum covered with ribosomes, synthesizing proteins.

A type of endoplasmic reticulum without ribosomes, synthesizing lipids.

A stack of membranous discs that packages and transports proteins from the ER.

Organelles that extract energy from food and convert it into usable form.

Organelles in plants and algae that conduct photosynthesis, capturing sunlight energy.

Organelles filled with digestive enzymes that break down waste and worn-out cell parts.

A network of protein fibers providing support, movement, and structure within a cell.

A substance in which another substance dissolves.

A dissolved substance in a solution.

A measure of the concentration of hydrogen ions (H+) in a solution.

Strong bonds formed between oppositely charged ions.

The smallest unit of life on Earth.

Weak attractions between polar molecules.

Molecules centered around carbon atoms, includes carbohydrates, proteins, nucleic acids, and lipids.