The direction of two strands of DNA running in opposite directions is:
antiparallel
In which phase is the DNA duplicated:
interphase
A temperature that is too high or too low will ___ photosynthesis
slow
Placing a cell in a hypotonic or hypertonic solution could kill the cell (T/F)
True
During replication, which sequence of nucleotides would bond with the DNA sequence TATGA?
ATACT
In Somatic Cell Nuclear Transfer, which of the following is not necessary
The semen from a male donor
When telomeres become too short, it can lead to:
all of these (cancer, heart disease, stroke)
Which of the following is NOT a step in PCR?
Separate the polymerase into two strands
Another name fo the light-independent reactions is:
The Calvin-Cycle
Which of the following creates images that are used to distinguish between solid lesions and fluid-filled cysts?
ultrasound
A standard reference that shows how long DNA strands is called a:
DNA laddder
What organelle produces proteins?
Ribosomes
THe normal shape of DNA is a:
double helix
A factor that is passed from parent to offspring is a:
gene
In which phase do nuclear membranes reform around each chromosome set?
telophase
In which phase does the nuclear membrane break down and the nucleus dissolve?
prophase
Due to immature technology, clones may be born with
all of these (defective hearts, lung problems, malfunctioning immune systems)
Fraternal twins come from ___ egg(s).
two
Which of the following is not part of a nucleotide?
sugar
___ are when a cell double checks if the phases are occurring correctly and the DNA replicated correctly.
checkpoints
What is the average person’s chance of getting cancer in their lifetime?
40%
If a cell is placed in a solution having a lower concentration of solutes than the cell, the solution is:
hypotonic
Which of the following shows the correct DNA base pairings?
thymine with adenine, cytosine with guanine
An example of positive feedback is:
increasing contractions during childbirth
MIcrotubules that help give a shell its shape are part of which organelle?
cytoskeleton
Glucose is one type of
sugar
Which of the following is the best description of cancer cells?
uncontrolled cell growth
A Punnett Square helps us calculate the ___ genetic makeup of offspring
probability of
When your body notices that a level is too high or too low and tries to restore the original level, this is:
Negative feedback
Clones will not feel pain (T/F)
False
Which of the following is the only definitive way to diagnose the presence of cancer?
biopsy
A fertilized human egg is known as a
zygote
Photo means:
light
Homeostasis can be understood as:
Relatively constant internal physical and chemical conditions
Diffusion is a form of ___ transport
Passive
Which statement is NOT true?
Prokaryotic cells do not have any DNA
Which of the following can reveal abnormalities in breast tissue that may indicate the likelihood of the presence of cancer?
mammogram
The stem cell research controversy focuses on the ethics of research involving the development and use of human ____
embryonic stem cells
What organelle is the power plant of the cell?
mitochondria
What is the signification of resolution?
Allows you to distinguish between two objects
A doctrine or theory holding that matter, the various forms of life, and the world were created by God out of nothing and usually in the way described in Genesis is called:
Creationism
A ____ is a long DNA molecule with part or all of the genetic material of an organism
chromosome
____ is a technique used to separate DNA fragments according to their size.
Gel electrophoresis
In an experiment, the subjects thats are not exposed to changes are the:
Control Group
A 2006 scientific research breakthrough by Japanese researchers showed that:
human somatic cells could be returned to a pluripotent state
Most four legged animals are:
heterotrophs
___ is a process where a single cell divides into two identical daughter cells.
Mitosis
How do you get the total magnification? ___ the power of the objective lens and the eyepiece lens.
Multiply
If you performed gel electrophoresis on your DNA and your mother’s, you would expect:
half the bands to match
What type of cells need ATP?
all of these
Why is a cell membrane so important to a cell?
It controls what goes in and out of the cell
Diffusion is the movement of molecules from a region of [ ] concentration to a region of [ ] concentration
higher, lower
ATP is needed for
all of these (talking,walking,thinking)
Different forms of the same gene are called:
alleles
Which of the following is not suitable for DNA forensic analysis?
hair with no roots
A stem cell is
unspecialized
Treatment that takes cancer-fighting T-cells out of your bone marrow, grows them in batches, and injects them back into your body is called ____
immunotherapy
Most plants are ___
autotrophs
The main enzyme involve in DNA replication is called:
helicase
One way that we know the age of the universe is through:
Measurements of the expansion rate of the universe
Scientist/Astronomer Sir Fred Hoyle and mathematician astrophysical Chandra Wickramasing estimated the probability of the first living cell randomly coming together to be about one in:
10 to the 40,000th power
Which of the following uses a magnet, radio waves, and a computer to create hundreds of images of a part of the human body?
MRI
The DNA at the tips of chromosomes are called:
telomeres
The colors of light that are not good for photosynthesis are:
green and yellow
Which of the following is true about cancer cells?
All of these (no proper communication, steal resources, do not initiate apoptosis)
The amount of information stored in human DNA is:
incredibly huge
Offspring inherit some of their genetic information from each parent in:
sexual reproduction
Identical twins come from ___ egg(s) and __ sperm
1,1
In which cell phase do cells spend most of their time?
interphase
Placing a human cell in a hypertonic solution will cause:
water to leave the cell
Synthesis means:
put together
Treatments ike gold nanoparticles that heat body tissue to as high as 113 degrees to help damage and kill cancer cells with little or no harm to normal tissue is called ___
hyperthermia
The enzyme that unzips the DNA is called:
helicase
A scientific theory does NOT
equal absolute truth
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