TEAS 7 SCIENCE EXAM SOLUTION MANUAL LATEST UPDATE 2025 (ALREADY PASSED)
What part of the central nervous system releases chemicals that regulate the pituitary gland ?
- hypothalamus
- cerebellum
- thalamus
- spinal cord - Answers Hypothalamus
The shortening of a sarcomere in skeletal muscle is directly due to the interaction of what?
- acetylcholine and acetylcholinesterase
- pepsin and pepsinogen
- myosin and actin
- dynein and kinsin - Answers Myosin and actin
Mutations in which type of cell can be inherited by offspring?
- ovarian
- endocrine
- neural
- muscle - Answers Ovarian
Describe the function of tendons
- tendons attach skeletal muscle to bone
- tendons attach two bones
- tendons attach bones to ligaments
- tendons attach skeletal muscles to ligaments - Answers Attaches skeletal muscle to bone
,What substance is excreted by sweat glands in response to the breakdown of protein and the formation
of ammonia?
- lysozymes
- water
- urea
- sebum - Answers Urea
What term describes the removal of metabolic waste from the body
- secretion
- catabolism
- anabolism
- excretion - Answers Excretion
A cell is placed in a hypertonic solution. Describe the resulting osmosis.
- there is no flow of water
- the net flow of water into and out of the cell is zero
- there is a net flow of water out of the cell
- there is a net flow of water into the cell - Answers There is a net flow of water out of the cell.
What's an example of active transport?
- aquaporins in kidney cells that help concentrate urine
- movement of substance from an area of high concentration to an area of low concentration.
- movement of sodium and potassium across the cell membrane against the concentration gradient.
- loss of water from a cell in a hypertonic solution. - Answers Movement of sodium and potassium across
the cell membrane against the concentration gradient.
, What vessel is responsible for carrying blood from the upper body to the right atrium of the heart?
- pulmonary veins
- aorta
- pulmonary arteries
- superior vena cava - Answers Superior vena cava
Carbohydrates are composed of which of the following ?
- nucleic acids
- monosaccharides
- isoprenoids
- amino acids - Answers Monosaccharides
A student investigating the importance of wavelengths above and below the visible spectrum for
photosynthesis sets up an experiment as followers over a 2-month period, all with illumination at 1
meter distance from plants grown with the same soil and watering condition.
3 Arabidopsis plants exposed to ultraviolet light(uv)
3 Arabidopsis plants exposed to infared light (IR)
3 Arabidopsis plants exposed to white light
at the end of the experiment, she first finds that The IR treated plants, are scorched, the uv treated
plants have wilted, but the white light-treated plants are growing normally
which statement is most likely correct? - Answers Wavelength of lights the only variable that has been
changed between groups
What is a weakness of a correlational study?
- cannot be replicated
- cannot be determine causation
- inability to control independent variables
What part of the central nervous system releases chemicals that regulate the pituitary gland ?
- hypothalamus
- cerebellum
- thalamus
- spinal cord - Answers Hypothalamus
The shortening of a sarcomere in skeletal muscle is directly due to the interaction of what?
- acetylcholine and acetylcholinesterase
- pepsin and pepsinogen
- myosin and actin
- dynein and kinsin - Answers Myosin and actin
Mutations in which type of cell can be inherited by offspring?
- ovarian
- endocrine
- neural
- muscle - Answers Ovarian
Describe the function of tendons
- tendons attach skeletal muscle to bone
- tendons attach two bones
- tendons attach bones to ligaments
- tendons attach skeletal muscles to ligaments - Answers Attaches skeletal muscle to bone
,What substance is excreted by sweat glands in response to the breakdown of protein and the formation
of ammonia?
- lysozymes
- water
- urea
- sebum - Answers Urea
What term describes the removal of metabolic waste from the body
- secretion
- catabolism
- anabolism
- excretion - Answers Excretion
A cell is placed in a hypertonic solution. Describe the resulting osmosis.
- there is no flow of water
- the net flow of water into and out of the cell is zero
- there is a net flow of water out of the cell
- there is a net flow of water into the cell - Answers There is a net flow of water out of the cell.
What's an example of active transport?
- aquaporins in kidney cells that help concentrate urine
- movement of substance from an area of high concentration to an area of low concentration.
- movement of sodium and potassium across the cell membrane against the concentration gradient.
- loss of water from a cell in a hypertonic solution. - Answers Movement of sodium and potassium across
the cell membrane against the concentration gradient.
, What vessel is responsible for carrying blood from the upper body to the right atrium of the heart?
- pulmonary veins
- aorta
- pulmonary arteries
- superior vena cava - Answers Superior vena cava
Carbohydrates are composed of which of the following ?
- nucleic acids
- monosaccharides
- isoprenoids
- amino acids - Answers Monosaccharides
A student investigating the importance of wavelengths above and below the visible spectrum for
photosynthesis sets up an experiment as followers over a 2-month period, all with illumination at 1
meter distance from plants grown with the same soil and watering condition.
3 Arabidopsis plants exposed to ultraviolet light(uv)
3 Arabidopsis plants exposed to infared light (IR)
3 Arabidopsis plants exposed to white light
at the end of the experiment, she first finds that The IR treated plants, are scorched, the uv treated
plants have wilted, but the white light-treated plants are growing normally
which statement is most likely correct? - Answers Wavelength of lights the only variable that has been
changed between groups
What is a weakness of a correlational study?
- cannot be replicated
- cannot be determine causation
- inability to control independent variables
