Bio 130 Exam 1 Questions and Correct Answers
A tissue is?
A group of cells that perform similar functions
The lowest level of organization in the body is the ___ level?
Cellular
A/an ____ consists of a group of similar cells performing similar functions?
Tissue
The simplest structure in which the processes of life occur are?
Cells
The study of the structure and organization of the human body is?
Anatomy
A feedback mechanism that returns the body to homeostasis is?
Negative feedback
A negative feedback mechanism consists of what three components?
Sensor, control center, effector
All the chemical reactions within a cell or organism are known as?
Metabolism
Gross anatomy can best be studied using a microscope (T/F)?
False
, Physiology can best be studied using dissections (T/F)?
False
Proteins are made up of?
Amino acids
A chemical formula expresses?
The chemical composition of a molecule, the number of atoms for each element in the
molecule, the atoms involved in chemical bonding
Covalent bonds form when?
Two or more atoms share electrons equally and two or more molecules share electrons
unequally
If an atom has 8 protons and 8 neutrons in its nucleus, and 8 orbiting electrons, its
atomic number would be?
8
To form an ionic bond on atom must donate its ____ to another?
Electrons
Hydrogen bonds occur between?
Polar molecules
Lactose is an example of?
Disaccharide
Enzymes are necessary in cells to?
A tissue is?
A group of cells that perform similar functions
The lowest level of organization in the body is the ___ level?
Cellular
A/an ____ consists of a group of similar cells performing similar functions?
Tissue
The simplest structure in which the processes of life occur are?
Cells
The study of the structure and organization of the human body is?
Anatomy
A feedback mechanism that returns the body to homeostasis is?
Negative feedback
A negative feedback mechanism consists of what three components?
Sensor, control center, effector
All the chemical reactions within a cell or organism are known as?
Metabolism
Gross anatomy can best be studied using a microscope (T/F)?
False
, Physiology can best be studied using dissections (T/F)?
False
Proteins are made up of?
Amino acids
A chemical formula expresses?
The chemical composition of a molecule, the number of atoms for each element in the
molecule, the atoms involved in chemical bonding
Covalent bonds form when?
Two or more atoms share electrons equally and two or more molecules share electrons
unequally
If an atom has 8 protons and 8 neutrons in its nucleus, and 8 orbiting electrons, its
atomic number would be?
8
To form an ionic bond on atom must donate its ____ to another?
Electrons
Hydrogen bonds occur between?
Polar molecules
Lactose is an example of?
Disaccharide
Enzymes are necessary in cells to?
