ACTUAL EXAM WITH COMPLETE 270 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+ / NLN PAX SCIENCE REAL EXAM |
GUARANTEED PASS
The process of nuclear cell division in the cell reproduction of plants
differs from mammals. A major difference is that
A.) homologous chromosomes are paired.
B.) centrioles are replicated.
C.) spindle fibers are missing.
D.) cell plates are synthesized.
answer: homologous chromosomes are paired
,If all of the second-order consumers within an ecosystem of a region
were removed, the most likely short-term effect would be
A.) a decrease in decomposers.
B.) an increase in producers.
C.) an increase in the number of first-order consumers.
D.) a decrease in the number of first-order consumers.
answer: an increase in the number of first-order consumers.
The bending of a wave around an obstacle is known as
A.) diffraction.
B.) deflection.
,C.) refraction.
D.) reflection.
answer: Diffraction
In order to observe the endoplasmic reticulum in a cell, a scientist
would use
A.) a light-microscope.
B.) an electron microscope.
C.) an ultracentrifuge.
D.) dissecting instruments.
answer: an electron microscope.
, Muscles are attached to bone by which of these structures?
A.) Cartilage.
B.) Ligament.
C.) Capsula.
D.) Tendon.
answer: Tendon.
Sodium will react most readily with
A.) potassium.