NEX SCIENCE EXAM 2024/2025 WITH 100% CORRECT ANSWERS
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Course
NEX SCIENCE
Institution
NEX SCIENCE
Which part of the cell structure controls the passage of materials into and out of the cell? correct answersplasma membrane
30 students in a class carefully measure the length and width of 20 peanut shells. They also count the number and note the size of the peanuts inside. This information is r...
Which part of the cell structure controls the passage of materials into and out of the cell? correct
answersplasma membrane
30 students in a class carefully measure the length and width of 20 peanut shells. They also count the
number and note the size of the peanuts inside. This information is recorded on various graphs showing
the numbers of nuts and the different sizes. The collected evidence of the peanuts gives the students an
idea of the extent of? correct answersvariation within a species
All the glucose filtered from the blood in the glomerulus into the Bowman's capsule of the kidney
nephron is returned to the tissue fluid while passing along the proximal tubule. This rapid return is
effected by the process of? correct answersactive transport
All of these groups of land plants produce seeds EXCEPT? correct answersMoist forest plants, such as
mosses and ferns
Enzymes that are involved in biochemical reactions are organic? correct answerscatalysts
What structure within the area labeled as B contains the sensory receptors for dynamic equilibrium?
correct answersCrista ampullaris
When water passes from a region of greater concentration to a region of lesser concentration through a
selectively permeable membrane, the process is known as? correct answersOsmosis
Which of the following is an example of preventable health risk factor? correct answersSmoking
Which of these is the correct sequence of chambers through which blood flows in the human heart and
lungs? correct answersright atrium, right ventricle, lungs, left atrium, left ventricle
, Reducing the use of aerosol cans has contributed to the decrease of? correct answersThe destruction of
the ozone layer
The meiotic division of cells leads to the production of cells that? correct answersContain half the usual
number of chromosomes
Which of these substances carries energy within cells and is produced as a result of cellular respiration?
correct answersATP
The humerus is a bone located in which part of the body? correct answersArm
When two atoms share a pair of electrons, the bond between them is called correct answersCovalent
What conclusion can be made from the graph below? Population density predator / prey correct
answersPeak predator population density is lower than peak population density.
In ecological succession, the first living thing to colonize a currently barren area is called a ? correct
answersPioneer organism
When a person nods their head "yes" or "no" which joint allows for that movement ? correct
answersAtlanto- occipital joint
Most internal gas exchanges in the human respiratory tract occurs across the capillaries of which of
these structures? correct answersAlveoli
Research suggests that the use of agricultural pesticides causes neurological changes in a species of bird,
the western meadowlark, which affects the species song pattern. The home range of the western
meadowlark is small, and the birds do not travel far outside of their home range. Using the map below,
what changes in song production would you expect to see in the yellow region of the state? correct
answersNo to little change
Which of these sequences of an atomic organization , from the simplest level to the most complex, is the
correct sequence? correct answersFrom tissue, organ, organ system to organism
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