WorksheetsMissouri Biology EOC
Total questions: 15
Worksheet time: 15mins
Which of these cells in the human body is specialized to transport oxygen throughout the body?
What would most likely be produced when a cell with eight chromosomes undergoes mitosis?
two cells with four chromosomes each
two cells eight chromosomes each
four cells with four chromosomes each
four cells with eight chromosomes each
During translation, what does the tRNA deliver to the ribosomes?
amino acids
DNA
mRNA
proteins
Which will most likely cause an increase in the frequency of genetic mutations in humans?
increased exposure to mold spores in the air
increased exposure to rising levels of atmospheric CO2
increased exposure to bacteria in drinking water
increased exposure to X-rays
Which molecules are joined together to make proteins?
fatty acids
nucleic acids
amino acids
acetic acids
Which best summarizes the role of DNA in the production of proteins?
DNA moves to the cytoplasm to build proteins
DNA transports amino acids to the ribosomes to make proteins
DNA contains the instructions used to make proteins
DNA breaks hydrogen bonds between amino acids
These diagrams show a variety of cells from the same organism. How can cells from the same organism have such different shapes and functions?
As each cell differentiates, the DNA changes so that each type of cell has different DNA once it reaches maturity.
Mutations in the cells' nuclei lead to new combinations of DNA, resulting in different shapes and functions in the different types of cells.
During differentiation, different parts of the DNA in each type of cell are activated, resulting in the different structure and function of the cells.
During differentiation, different types of cells produce proteins which destroy the nonactive DNA, leading to cell specialization.
A student noticed that the freshwater plant, Elodea, produced bubbles when placed in direct light. What could the student most likely conclude?
Bubbles of carbon dioxide were produced as a result of photosynthesis.
Bubbles of oxygen were produced as a result of photosynthesis.
Bubbles of carbon dioxide were produced as a result of cellular respiration
Bubbles of oxygen were produced as a a result of cellular respiration
Plant cells are able to produce their own food. This process happens in which structure?
cell wall
chloroplast
mitochondrion
vacuole
Which statement best explains how sweating during exercise maintains homeostasis?
It regulates mineral concentrations in cells.
It regulates body temperature.
It maintains water balance.
It maintains sugar balance in cells.
The chemical colchicine disrupts cell division. Which cell process would most likely stop if colchicine were added to a culture of human liver cells?
mitosis
meiosis
crossing over
active transport
Which statement best explains why animals are considered heterotrophic?
They are able to produce food through the process of photosynthesis.
They are able to produce food through the process of respiration.
They are able to obtain nutrients by decomposing plant and animal tissue.
They are able to obtain nutrients by consuming other organisms or their products.
Which of the following processes is primarily responsible for the genetic variation observed in offspring?
A) Mitosis
B) Meiosis
C) Binary fission
D) Budding
What is the primary function of the xylem in vascular plants?
A) Transporting sugars from the leaves to the rest of the plant
B) Transporting water and minerals from the roots to the rest of the plant
C) Storing nutrients and water
D) Facilitating gas exchange
In an experiment, a student adds iodine to a leaf that has been exposed to sunlight. The leaf turns blue-black. What does this indicate about the leaf?
A) The leaf contains proteins
B) The leaf contains starch
C) The leaf contains lipids
D) The leaf contains glucose
