2025 ATI TEAS 7 Science 200 QUESTIONS AND
CORRECT ANSWERS GRADED A+>>MOST TESTED
QUESTIONS
* in a phase diagram, what is the term used for a substance held at temperature & pressure where the
solid, liquid, and gaseous states exist simultaneously?
triple point
* which structure is present in both prokaryotic and eukaryotic cells?
cell membrane
groups on the periodic table have similar chemical properties because they have the same amount of
what?
valence electrons
an element is a substance composed entirely of one type of
atom
matter is made of
atoms
what are the 3 subatomic particles that make up an atom?
protons, neutrons, electrons
proton charge
,+1
electron charge
-1
protons and neutrons are found in the ______ and weigh __ AMU
nucleus, 1
which orbital is the last to fill?
6s
* liquids have a
definite volume, indefinite shape
what is a specialized structure within a cell?
an organelle
the following are examples of...
1) shivering when body temperature falls
2) secreting insulin to decrease blood sugar concentration
3) increasing heart rate when blood pressure is low
homeostatic mechanisms
, what is most likely the pH of a solution containing many hydroxide ions (OH-) and few hydrogen ions
(H+)
9
rationale: a solution that contains more OH- ions than H+ ions is a base, and bases have a pH greater
than 7
cellulose is a
carb
hemoglobin is a
protein
estrogen is a
steroid hormone
* NaCl is an example of what type of bond?
ionic
* how many different types of nucleotides are there in DNA?
4
which of the following are formed when the plasma membrane surrounds a particle outside of the cell?
CORRECT ANSWERS GRADED A+>>MOST TESTED
QUESTIONS
* in a phase diagram, what is the term used for a substance held at temperature & pressure where the
solid, liquid, and gaseous states exist simultaneously?
triple point
* which structure is present in both prokaryotic and eukaryotic cells?
cell membrane
groups on the periodic table have similar chemical properties because they have the same amount of
what?
valence electrons
an element is a substance composed entirely of one type of
atom
matter is made of
atoms
what are the 3 subatomic particles that make up an atom?
protons, neutrons, electrons
proton charge
,+1
electron charge
-1
protons and neutrons are found in the ______ and weigh __ AMU
nucleus, 1
which orbital is the last to fill?
6s
* liquids have a
definite volume, indefinite shape
what is a specialized structure within a cell?
an organelle
the following are examples of...
1) shivering when body temperature falls
2) secreting insulin to decrease blood sugar concentration
3) increasing heart rate when blood pressure is low
homeostatic mechanisms
, what is most likely the pH of a solution containing many hydroxide ions (OH-) and few hydrogen ions
(H+)
9
rationale: a solution that contains more OH- ions than H+ ions is a base, and bases have a pH greater
than 7
cellulose is a
carb
hemoglobin is a
protein
estrogen is a
steroid hormone
* NaCl is an example of what type of bond?
ionic
* how many different types of nucleotides are there in DNA?
4
which of the following are formed when the plasma membrane surrounds a particle outside of the cell?
