WorksheetsBiology Chapter 5 Set A
Total questions: 13
Worksheet time: 7mins
Which of the following has the correct sequence of mitotic phase (mitosis)? (Bio. 5.a - cell growth and division)
X - W - Y - Z
W - X - Y - Z
Z - Y - X - W
According to this diagram, the result of spermatogenesis is four sperm cells, each with —
(Bio. 5.b - sex cells or gamete formation)
genetically identical strands of DNA
half of the original number of chromosomes
complete copies of all the original chromosomes
strands of DNA that resulted from crossing over
Red flower color is dominant to white flower color in rose plants. What is the expected result of a cross between two heterozygous rose plants? (Bio.5.d-Law of Dominance by Mendel)
100% red
75% red, 25% white
50% red, 50% white
25% red, 75 % white
One parent is heterozygous for a certain trait (Dd ). The other parent is homozygous dominant (DD ) for that trait. What is the percent chance that an offspring from this cross will be heterozygous? (Bio.5.d-Law of Dominance by Mendel)
0%
25%
50%
100%
In 1950, Erwin Chargaff discovered that the percentage of adenine in DNA equals the percentage of thymine, and that the percentage of cytosine equals the percentage of guanine. This proved invaluable to the eventual discovery of which aspect of DNA? (Bio. 5.e-historical development of the structural model of DNA)
Location
Volume
Structure
Solubility
What did Rosalind Franklin contribute to the understanding of DNA molecules? (Bio.5.e - historical development of the structural model of DNA)
A thought that DNA carries genetic information
An analysis of the chemical makeup of a DNA molecule
A theory about how DNA conveys genetic information
An image indicating the shape of a DNA molecule
Which is an activity that increases the genetic variation within a population of earthworms? Bio.5.f - genetic variation)
Binary fission
Sexual reproduction
Fragmentation
Budding
The weakness of hydrogen bonds between the bases of DNA allows —
(Bio.5.g - the structure, function, and replication of nucleic acids)
conversion of bases to amino acids in the event of cell starvation
base pairs to separate during transcription and replication
rearrangement of the sequence of bases to take place
new bases to be incorporated into the DNA molecule
The arrow in the diagram represents the movement of which molecular structure? (Bio.5.h - events involved in the construction of proteins)
DNA molecule
mRNA molecule
Base pair
Protein
Medicines are being produced using recombinant DNA technology. For veterinarians, the use of this DNA technology will result in —
(Bio.5.j - DNA technologies)
identifying new diseases spread by pets
altering the chromosomes of healthy pets
making more treatments available for pets
decreasing the number of antibodies produced by pets
Scientists classifying modern animals are most likely to compare the —
(Bio.5.j - DNA Technologies)
composition of the animals' bones
structure of the animals' ATP
function of the animals' limbs
sequence of the animals' DNA
This type of cell is not yet specialized, but has the ability to turn into a variety of specialized cell types. It is used in research to treat a variety of medical ailments and diseases.
(Bio.5.c - Cell Specialization)
stem cell
bone cell
nerve cell
gamete
This type of cell serves as a protective barrier and makes up the largest organ in the human body.
(Bio.5.c - Cell Specialization)
bone
skin
red blood cell
white blood cell
