Gene Genius
Which gene, when activated in the antenna of a fly, leads to a compound eye forming there?
What is Pax6?
What molecule is primarily responsible for the resting membrane potential in animal cells?
What is the Na+/K+ ATPase?
This organ forms the outermost whorl of an angiosperm flower and is often green and leaf-like
What is the sepal?
Junctions between neurons are called what?
What are synapses?
Which enzyme is most directly associated with the lysogenic phase in retroviruses?
what is integrase?
During early animal development, what is the main feature of cleavage divisions?
What is cell division without growth (cytoplasm subdivision)?
In the absence of hormones, which kidney regions will allow reabsorption of Na⁺ into the blood vessels?
What are the proximal tubule and ascending loop of Henle?
What two structures result from double fertilization in angiosperms?
What are the zygote and endosperm?
Which process directly depends on voltage-gated Ca2+ channels in neurons?
What is neurotransmitter release?
What does a virus that integrated their genome into a host chromosome contain?
what is reverse transcriptase?
In fruit fly embryos, high levels of Bicoid throughout lead to what phenotype?
High levels of Hunchback, low levels of Caudal throughout the embryo; abnormal posterior development.
If the fish fails to osmoregulate in a marine environment, what happens to its water and salt balance?
The fish would lose water and gain salt through its gills.
Which hormone, famous for “bending plant stems toward light,” is known to promote cell elongation in shoots?
What is auxin?
Which of the following is NOT associated with saltatory propagation of action potentials?
A. Variable concentration of voltage-gated Na⁺ and K⁺ channels along the axon
B. Extremely low threshold potential
C. Myelination
D. Nodes of Ranvier
What is B?
What is the major change that needs to be made to Ti plasmid before using it in GM crops?
What is removal of tumor-inducing genes from the Ti plasmid?
A loss-of-function mutation in the Drosophila Ubx gene in head cells will cause which abnormality?
What are wings forming on the head?
In the kidney, which region is responsible for the majority of reabsorption of filtered substances like glucose and amino acids?
What is the proximal tubule?
Totipotent cells at these specialized growth zones let plants keep on growing and occasionally reconsider their haircuts. Name both types found in a seedling.
What are the shoot apical meristem and the root apical meristem?
Both EPSPs and IPSPs are sent to the postsynaptic neuron. What phenomenon occurs when they arrive simultaneously?
what is They cancel each other out?
Which plant structure is formed when the pollen tube successfully delivers sperm cells to the ovule during fertilization?
what is the zygote
Which component of the ABC model of plant development, if lost, would result in the expression of gene C in whorls 1 and 2?
What is a loss of function mutation in gene A?
Which kidney transporter, if knocked out in the proximal tubule, would have the most severe effect on kidney function?
What is the Na⁺/glucose co-transporter?
n the Arabidopsis ABC model, if gene B function is lost, which floral organs would be formed in the B whorls instead of normal structures?
What is Sepals?
Opening of which ion channels by neurotransmitter binding typically makes the postsynaptic neuron less likely to fire an action potential?
A. Voltage-gated sodium channels
B. Potassium leak channels
C. Chloride channels
D. Calcium channels
What is C, chloride channels?
What type of cells in the shoot apical meristem allow a plant to grow new organs throughout it's life?
what is totipotent cells?