Bio 101 - Exam 1 - SM25

Which of the following is in the correct order (smallest to largest)?

The first energy shell can hold ___ electrons, and the following shells can hold ___ electrons.

____ and ____ are two examples of monosaccharides.

___ contains adenine, guanine, cytosine, and thymine, while ___ contains adenine, guanine, cytosine, and uracil.

_____s carry out metabolic reactions directly.

Lipids function in all of the following except...?

Procaryotic cells are smaller and simpler than eukaryotic cells, and come in three shapes (cocci, bacilli, spirilla).

Eukaryotic cells contain all of the following EXCEPT?

A molecule is containing at least two different elements bonded, and a compound is two or more of the same atoms bonded.

Lysosomes do all of the following EXCEPT?

Carbohydrates function in which of the following?

The maintenance of internal conditions within a certain set of boundaries is called?

A ____ is a molecule that speeds up and reduces energy requirements for a chemical reaction.

Bases take up hydrogen ions and release hydroxide ions, and acids release hydrogen ions.

Which of the following would be intracellular filiments between cells.

As a cell gets larger in volume, it's relative surface area decreases.

Photosynthesis is a process that converts solar energy into ___?

____ fatty acids are one or more double bonds between carbons, and ____ fatty acids are no double bonds between carbons.

Quaternary structure consists of one or more polypeptide.

____'s are organic molecules that have identical molecular formulas but different arrangements of atoms.

Domain Eukarya includes protists, fingi, animals, and plants.

Which of the following is in the correct order (smallest to largest)?

___ is a substance that cannot be broken down into materials with different properties.

____ equals the atomic number, and the sum of protons and neutrons is ____.

Which of the following are capable of living in harsh (very hot/acidic) environments?

Matter exists in three states. Solid, Liquid, and Plasma.

Non polar bonds are electrons unequally shared, and polar bonds are electrons equally shared.

Biology is defined as the study of?

___ is any modification that makes an organism better able to function in any particular environment?

Cellulose is a polysaccharide that is found in the cell walls of plant cells.

Which of the following is NOT a component of the plasma membrane?

A ____ forms when electrons are transferred from one atom to another atom and the oppositely charged ions are attracted.

Which of the following is NOT a key concept of light microscopy.

Proteins function in all but which of the following?

DNA has a variety of functions such as protein synthesis, RNA carries information for its own replication.

___ is a polysaccharide that is found in the cell walls of fungi and in the exoskeleton of some animals.

The chloroplasts form disk like ____ which are stacked to form a ____.

Which of the following is NOT a property of water.

Diffusion is the net movement of water molecules down the concentration gradient.

The rough ER modifies and repairs proteins, and the smooth ER is responsible for lipid synthesis.

Organic molecules contain both ____ and ____.

Active transport is like osmosis but instead moves molecules against their concentration gradient.

Which of the following occurs when specific macromolecules bind to the plasma membrane.

In phospholipids membranes, the ___ heads orient towards the water, & the ___ fatty acid tails orient away from water.

Lipids are glycerol and fatty acids, and do not form polymers.

___ are hair like projections that aid in cell movement, and ___ are longer projections that aid in locomotion.

When a protein loses its shape and can no longer function properly it is said to have _______.

Waxes, steroids, oils and fats are all examples of lipids.

Systematics is identifying, naming, and classifying organisms, and taxonomy is the study of evolutionary relationships.

____ ____ is a chemical reaction in which water is added to break the covalent bond.

The basic structural unit of life is?

Ribosomes may be located in these locations?

The cytoskeleton is made up of three types of macromolecular fibers, which of the following is NOT one of them?

The central nucleus contains negative protons, neutral neutrons, and positive electrons.

Which of the following is in the correct order (largest to smallest)?

____s allow passage of molecules through membrane channels in a protein.