Final Test Biology

Covalent bonds _______________.

Which substance would be extensively studied during a college organic chemistry course?

Nucleic acids are made of monomers called nucleotides.

Carbon can make up to 3 covalent bonds that can form a variety of shapes.

The cell theory states that all cells spontaneously appear.

Many scientific discoveries begin with direct observations. Which could be a direct observation?

An example of biologists improving agriculture would be to:

Which one describes this statement, “The dog weighs 10kg”?

Select the false statement about surface tension.

Proteins are made of amino acids.

What is the main difference between molecular clocks and cladograms?

The nucleus holds _______ and _______ inside.

Peptide bonds are between two ________ molecules.

The monomers that make up carbohydrates are

Select the structure composed of lipids.

Elements have a unique number of

Cats are considered multicellular organisms.

Bacteria are multicellular organisms.

What does the node represent in a cladogram?

Select the pseudoscience:

Ethics is

The atomic number is unique to each element.

Atoms are the buiding blocks of all matter.

A molecule that speeds up the digestion process belongs to which group?

Van Der Waals forces are interactions between

Lipids contain

Carbon 12, 13, and 14 have different number of ____________.

Macromolecules are large molecules formed by joining smaller molecules together.

When students sweat after PE they are displaying which characteristic of life?

Select the biochemical characters

Aristotle and Linnaeus both used evolutionary relationships in their classification system.

Give one example of a chemical reaction

Biologists can help preserve the environment by researching the interactions between species.

All cells have a plasma membrane.

The discovery of penicillin is an example of:

Research done to explain why oceans are getting warmer should be peered reviewed by

Carbon 14 can be used to date fossils that are 60,000 years old.

Select the statement that is true about: Homo sapiens 

The oxygen (O2) formed during the chemical reaction of photosynthesis is called a(n)    CO₂ + H₂O       Glucose + O₂                       

An example of a chemical reaction in our body is:

Which kingdom has organisms that can be plant like, animal like and fungus like?

Research on how exercising four times a week can benefit the health of people over 40, should have test subjects that

The modern classification system uses:

Atoms are the building blocks of matter.

When a tadpole develops into a frog it is displaying which characteristic of life?

Select the statement that applies for Morphological characters.

The nucleic acid that does not store genetic information is _________.

Eukaryotic cells do not have membrane bound organelles.

Carbohydrates store

Which molecule stores energy?

A catalyst is

Which two kingdoms include only unicellular organisms?

Electrons are negatively charged particles.

Proteins are polymers made of

Carbon is able to make how many bonds?

Nucleotides are the monomers of proteins

Chemical reactions must be balanced because of

A molecule that speeds up the digestion process belongs to which group? 

Electron Microscopes use a beam of electrons.

The atomic number represents the number of protons of each element.

Populations evolve over time.

Protons are positively charged particles.

Amino acids are joined by:                         

When two oxygen molecules form a covalent bond they are sharing ____________.

The law of conservation of matter:

When an insect can float on the surface of a lake is because of water’s:

An example of the cell theory is that cats are made of cells.

The development of a vaccine is an example of how biologists can:

Lipids have fatty acids.

When a rabbit eats grass, it is showing which specific characteristic of life?

Light Microscopes use a beam of electrons.

Units used in the SI (International Metric System) are:

Water is a polar molecule.

A unicellular organism that has a cell wall without peptidoglycan and lives in extreme environments must belong to 

The nucleus holds the protons and neutrons.

Carbohydrates can be composed of many glucose molecules.

An example of how living organisms show organization is:

Hydrogen bonds are a type of van der Waal force.

Polymers are molecules made from repeating units of similar or identical compounds called monomers.

Why is water a good solvent?

Select the correct statement about atoms.

There are 20 different aminoacids.

Carbon 14 can be used for dating fossils.

Neutrons determine the different isotopes.