Term
| The discipline of identifying and classifying organisms according to specific criteria is known as … |
|
Definition
|
|
Term
| Which of the following is the correct order of classification categories from most to least inclusive? |
|
Definition
| domain, kingdom, phylum, class, order, family, genus, species |
|
|
Term
| Describe the ‘scientific name’ of an organism? |
|
Definition
is a binomial name.
consists of the genus and the species name.‘scientific name’.
is used by scientists to avoid confusion. |
|
|
Term
| The zone of air, land, and water at the surface of Earth where living organisms are found. |
|
Definition
|
|
Term
| All the individuals of a species living in a particular area. |
|
Definition
|
|
Term
| All the different species of organisms in the same area interacting with each other and with their physical environment (soil, atmosphere, water, etc.). |
|
Definition
|
|
Term
| A tentative explanation for a natural event or phenomenon that has been observed. |
|
Definition
|
|
Term
| A tentative explanation for a natural event or phenomenon that has been observed. |
|
Definition
|
|
Term
| What are the three domains (largest classification categories) in our current system of classification? (1 pt) |
|
Definition
| Archaea, Bacteria, Eukarya |
|
|
Term
| List the 7 characteristics that all living things have in common. Give an example of one of them. |
|
Definition
1.HOMEOSTATIC
2.ARE ORGANIZED
3.GROW AND DEVELOP
4.REPRODUCE
5.ACQUIRE MATERIALS AND ENERGY
6.RESPOND TO STIMULI
7.HAVE THE ABILITY TO ADAPT TO THEIR ENVIROMENT |
|
|
Term
| What are the six elements considered basic to life and makes up 95% of the weight of organisms? |
|
Definition
| CHINOPS==== CARBON HYDROGEN ---- NITROGEN OXYGEN PHOSPHOROUS |
|
|
Term
| A substance that cannot be broken down to simpler substances with different properties by ordinary chemical means is known as … |
|
Definition
|
|
Term
| The atomic number of an atom is … |
|
Definition
| the number of protons in the nucleus |
|
|
Term
| . The vertical columns in the periodic table of the elements are called … |
|
Definition
| groups and indicate the number of electrons in the outer shell |
|
|
Term
| 12C and 14C are both isotopes of carbon. The difference between them is ______? |
|
Definition
|
|
Term
| The first electron shell can hold up to __ and the second shell can hold up to __ electrons? |
|
Definition
|
|
Term
| When atoms of two or more different elements bond together, the product is called … |
|
Definition
|
|
Term
| A polar covalent bond is ¬¬¬¬¬¬¬¬… |
|
Definition
| the unequal sharing of a pair of electrons between two atoms. |
|
|
Term
| water, hydrogen bonding occurs between a slightly positive hydrogen atom of one molecule and … |
|
Definition
| a slightly negative oxygen atom in a different molecule. |
|
|
Term
| . An acid is a chemical that dissociates in water and … |
|
Definition
|
|
Term
| Compounds that contain carbon and hydrogen are known as … |
|
Definition
|
|
Term
| is the process by which monomers are joined together to form polymers |
|
Definition
| Dehydration synthesis reaction |
|
|
Term
| ____ is a polysaccharide found in your liver and muscles and provides short-term energy storage. |
|
Definition
|
|
Term
| Triglycerides, which are a very common form of lipid, are made up of … |
|
Definition
| 1 glycerol and 3 fatty acids. |
|
|
Term
| Which of the following is NOT a form of lipid? |
|
Definition
A)Fat D) Phospholipid
B)Oil E) all of the above are forms of lipids. C)Steroid hormones
E |
|
|
Term
| 20 or so amino acids that make up proteins differ from each other in … |
|
Definition
|
|
Term
| The secondary structure (or level of organization) of a protein consists of the … |
|
Definition
| the coiling or pleating of the polypeptide chain held together by hydrogen bonds. |
|
|
Term
| Nucleic acids are made up of nucleotides that contain … |
|
Definition
| a phosphate group, a 5-carbon sugar, and a nitrogen-containing base |
|
|
Term
| In deoxyribonucleic acid, which of the following complementary base pairings is correct? |
|
Definition
thymine and adenine
guanine and cytosine |
|
|
Term
Which of the following is NOT a nucleic acid?
A) RNA
B) DNA
C) ATP
D) STP
E) All of the above are nucleic acids. |
|
Definition
|
|
Term
| According to cell theory … |
|
Definition
| all living things are composed of cells that arise only from pre-existing cells. |
|
|
Term
| _________ was credited with coining the term “cell” in 1665. |
|
Definition
|
|
Term
| Most typical plant and animal cells would measure ___ in size. |
|
Definition
|
|
Term
| Structures found in cells with specific functions and shapes are called … |
|
Definition
|
|
Term
| The _____ is(are) surrounded by a double membrane with pores and is the location of DNA in eukaryotic cells. |
|
Definition
|
|
Term
| Which structure forms a living boundary around the cell and regulates passage of molecules into and out of the cell? |
|
Definition
|
|
Term
| . The ribosomes are the site of … |
|
Definition
|
|
Term
| Which organelle forms a system of membranous channels and saccules involved in protein modification? |
|
Definition
|
|
Term
| . The _____ has (have) grana made up of thylakoids and possess chlorophyll. |
|
Definition
|
|
Term
. Which of the following statements regarding mitochondria is false?
A) Mitochondria are organelles with a double membrane.
B) Mitochondria are the sites of cellular respiration.
C) Mitochondria contain an internal fluid called the matrix.
D) Mitochondria have inner membrane folds called cristae.
E) There is no false statement |
|
Definition
|
|
Term
Prokaryotes may contain any of the following structures except…
A) ribosomes. D) a strand of DNA.
B) a cell wall. E) a well-organized, membrane-bound nucleus.
C) a capsule. F) Prokaryotes may contain all of the above structures. |
|
Definition
| E) a well-organized, membrane-bound nucleus. |
|
|
Term
| The greater the _____ relative to the ______ of a cell, the more efficiently it will be able to function. |
|
Definition
|
|
Term
| Which of the following organelles is the site or location of the DNA in the cell? |
|
Definition
|
|
Term
| Protein synthesis occurs at or on the … |
|
Definition
|
|
Term
| The cristae are found in the … |
|
Definition
|
|
Term
| The vacuole in plants is responsible for which of the following functions? |
|
Definition
| storing water, sugars, salts, pigments, and toxins |
|
|
Term
| The basic structure of the plasma membrane gives rise to the name, ____ of membrane structure. |
|
Definition
|
|
Term
| An individual protein that has a carbohydrate (sugar) chain attached to it is known as a(n)… |
|
Definition
|
|
Term
Which of the following is not a type of membrane protein?
A) channel protein D) enzymatic protein
B) mediator protein E) cell recognition protein
C) carrier protein |
|
Definition
|
|
Term
What types of molecules cannot pass through the plasma membrane without “help”?
A) large molecules such as proteins D) A, B, and C
B) charged molecules such as sodium ions E) A and B only
C) gasses such as carbon dioxide and oxygen |
|
Definition
|
|
