Podcast
Questions and Answers
What effect do chemical changes that tighten chromatin complexes have on genes?
What effect do chemical changes that tighten chromatin complexes have on genes?
- Activate genes
- Mutate genes
- Duplicate genes
- Shut down genes (correct)
How do neurons achieve flexibility in altering gene expression?
How do neurons achieve flexibility in altering gene expression?
- By permanent gene modifications
- Through irreversible chemical changes
- By duplicating chromatin
- Via reversible changes in chromatin complexes (correct)
What do gene variants or alleles reflect?
What do gene variants or alleles reflect?
- Differences in nucleotide sequences (correct)
- Differences in neuron size
- Differences in neuron color
- Differences in neuron function
How do different alleles code for forms of the same protein?
How do different alleles code for forms of the same protein?
What can specific alleles of some genes cause?
What can specific alleles of some genes cause?
Which disorder is caused by mutations in a gene coding for beta-hexosaminidase A?
Which disorder is caused by mutations in a gene coding for beta-hexosaminidase A?
How does the variant enzyme in Tay-Sachs disease impact neurons?
How does the variant enzyme in Tay-Sachs disease impact neurons?
What will the ability to sequence a person's entire genome help with in the next 10 years?
What will the ability to sequence a person's entire genome help with in the next 10 years?
What determines whether neurons have excitatory or inhibitory effects in their circuits?
What determines whether neurons have excitatory or inhibitory effects in their circuits?
What influences neuronal behavior by being capable of detecting neuromodulators like vasopressin and cortisol?
What influences neuronal behavior by being capable of detecting neuromodulators like vasopressin and cortisol?
What process determines differences among neurons based on which genes direct cellular activities?
What process determines differences among neurons based on which genes direct cellular activities?
In which regions are unexpressed genes typically found within a neuron's cell membrane?
In which regions are unexpressed genes typically found within a neuron's cell membrane?
What determines the cells' sensitivity to the effects of specific neurotransmitters?
What determines the cells' sensitivity to the effects of specific neurotransmitters?
What area of research is focused on mechanisms causing neurons to express some genes and not others?
What area of research is focused on mechanisms causing neurons to express some genes and not others?
What do neurons build proteins from, resulting in differences among them?
What do neurons build proteins from, resulting in differences among them?
What do cells in the body, including neurons, contain that house the same genes?
What do cells in the body, including neurons, contain that house the same genes?
What influences neuronal behavior by hormones such as vasopressin, estradiol, or cortisol?
What influences neuronal behavior by hormones such as vasopressin, estradiol, or cortisol?
What influences the sensitivity of cells to specific neurotransmitters?
What influences the sensitivity of cells to specific neurotransmitters?
