Smart Edition Flashcards
(32 cards)
An intracellular chemical signal can be produced in the cell membrane. Once it is produced, where does it go?
To another part of the same cell
Where does the majority of diffusion of nutrients through digestive walls take place in the digestive system?
small intestinal capillaries
If a person smells something sweet, what form of information is this initially perceived as in the nervous system?
(special) sensory
Immune cells are what type of tissue, out of the 4?
connective tissue
What is the air conducting portion of the respiratory system where air is delivered to the lungs
larynx, trachea, bronchi, bronchioles
What is the gas exchange portion of the respiratory system?
alveoli and pulmonary capillaries and the lungs
What body system is the skeletal system most closely associated with when hematopoiesis happens?
cardiovascular system
Which sequence describes the hierarchy level of biological organization?
Kingdom, phylum, class, order, family, genus, and species
What standard is used to make comparisons in experiments?
control group
Why did it take many years for the cell theory to be developed?
Advancements in microscopy took place slowly
Cell theory components (3)
- all living things are made of one or more cells
- cells are the basic unit of life
- all cells are produced from pre-existing cells
Cells are alive and recognized as the building blocks for life. This statement supports what theory?
cell theory
What raw inorganic material would an autotroph most likely use to create chemical energy for growth?
minerals in the soil
When would a cell most likely contain the most nucleotides?
G1
A student notices a pattern of stripes on five tigers. Each of the five tigers has the same stripe pattern. Using his inductive reasoning, what does he logically assume based on this information?
Each offspring will have the same stripe pattern
Which statement best represents Mendelβs experiments with garden peas?
Mendel collaborated with others interested in genetics to develop heredity guidelines we still use today.
Wrong A: As a result, Mendel developed several theories that have since been disproved.
Which of the following is a component of a chromosome?
* centromere
* homologue
centromere
Which of the following determines the strength of an acidic solution?
* litmus paper that turns red
* measured pH value less than 7
B
* closer to pH of 1 = stronger the acid is.
Which of the following atoms is a cation?
* 14 protons, 14 neutrons, 18 electrons
* 34 protons, 45 neutrons, 36 electrons
* 35 protons, 44 neutrons, 35 electrons
* 82 protons, 125 neutrons, 78 electrons
D
A spoonful of sugar is added to a hot cup of tea. All the sugar dissolves. How can the resulting solution be described?
* Saturated and homogeneous
* Unsaturated and homogeneous
B bc more solute could be added and dissolve = sln has NOT yet reached its limit and so is considered unsaturated
In the following single-replacement reaction, ______ replaces ______.
πΆπ2+2πππΌβ2πππΆπ+πΌ2
chlorine, iodine
_ is dependent not only on the temperature, but also on the amount of substance available.
Evaporation
Mendel discovered the pattern associated with _____after developing a series of rules in genetics.
heredity
The sequence of amino acids in a gene determines:
the structure and function of the protein