Neurotransmitters are released from neurons due to the opening of ____________. Select one: a. voltage gated Na channels b. voltage gated K channels c. voltage gated Ca channles d. voltage gated Cl channels e. voltage gated proton channels
Q: Heterozyus for flower position and stemlength AaTt are allowed to self pollinate. 400 of the…
A: Punnet square is a table which give us information about the percentage of genotype offspring will…
Q: List 4 proteins that have different regulatory actions in different cells resulting in cell…
A: Many DNA-binding proteins that control gene expression are widely classified based on the structure…
Q: Which characteristic of life is described by the following? Budding in hydra Organelles make uo the…
A: Hydra belongs to coelentrata in animal kingdom. It is afresh water organism. It has cnidoblast cells…
Q: You will make 5 dilutions in separate tubes each diluted 1 into 3 in water from the previous tube.…
A: Introduction:- We have to make 5 dilution in 5 separate tube Each tube dilution is 1:4 (i.e. 1 part…
Q: rate of oxygen production- This graph shows a. b. d. e. 350 400 450 500 550 600 wavelength (nm) an…
A: Photosynthesis is measured by the rate of oxygen production, and we need to find what this graph…
Q: Sue suffers from Marfan Syndrome, an autosomal dominant connective tissue disorder (noted as allele…
A: The condition when two identical genes are present in an individual for a particular character is…
Q: ording to the water potential values shown in the image, which ones are wrong and why? W air (22 °C,…
A: Water potential is the energy required, to transport small quantity of water from the sample to a…
Q: give the types of gamets produced by a plant with round seeds and yellow cotyledons and gentype RrYy
A: Introduction The type of variant present at a specific locus (i.e., region) in the genome is…
Q: In rabbits, the dominant allele B causes black fur and the recessive allele b causes brown fur; for…
A: Dihybrid cross - A dihybrid cross describes a genetic cross, where 2 traits are used.
Q: During a PCR reaction, all the following events occur except: A. Hybridization B. Binding of a 3’OH…
A: PCR : it is polymerase chain reaction, it is a technique of molecular biology which is used to…
Q: Which statements about feedback systems are correct? Positive feedback maintains water balance in…
A: A stable condition within the body is referred to as "homeostasis" and is maintained via "feedback…
Q: Explain the importance of MSH2 and MSH6 in regards to adenocarcinoma colon cancer
A: Cancer is a condition in which cells proliferate uncontrollably and infiltrate, destroy, and kill…
Q: Look for recent (2017 to 2022) scientific papers, stories, or features that demonstrate the use of…
A: Spectroscopy is an analytical method that is used for the detection of unknown compounds. In the…
Q: What are the roles of inflammatory response genes in adenocarcinoma tumours in regards to bowel…
A: A cell needs to divide for growth and development. But some environmental genetic mutations result…
Q: Boundary Condition (2) For each scenario, choose which boundary condition would be appropriate.…
A: Introduction:- The idealized laboratory setup was the is used to examine the influence of the…
Q: Translation requires energy what step(s)? please explain answer B) 30S ribosome subunit binding C)…
A: Translation is the process that involves production of polypeptide chain from the mRNA (messenger…
Q: Let’s consider vmax. Recall that uncompetitive inhibitors bind to the enzyme only after the substate…
A: Enzymes are biocatalyst that performs specific chemical reaction within our body. They are…
Q: The most common would be ch and cH
A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…
Q: What structure becomes a flower and fruit?
A: Flower It refers to the reproductive structure present in flowering plants also known as…
Q: Write a brief report about down syndrome detailing the signs and symptoms, number of chromosomes,…
A: Introduction :- Genetic conditions can cause down syndrome. Another name for it is trisomy 21. It…
Q: Which among these can the expression of the gene of interest be increased via (multiple choice,…
A: When a particular segment of DNA or a gene is transcribed into RNA then it is known as gene…
Q: technique w sperm count ggs not released operly able to maintain egnancy potentially and the…
A: Ans: Reproductive issues include infertility, menstrual problems, polycystic ovary syndrome, uterine…
Q: 4. J. A. Moore investigated the inheritance of spotting patterns in leopard frogs. The pipiens…
A: Burnsi phenotype lacks spots on its back. Pipiens Pipiehenotype has normal spots on it's back.
Q: What can you say about the amplitude of the various waves in different cardiac cycles? The P wave…
A: 1) On an ECG, the recorded electrical signal's amplitude, or voltage, is displayed in the vertical…
Q: What cells inside our bodies would be affected if you ingested a suspension of T4 phage? Describe…
A: Bacteriophage T4 possesses both "early" and "late" genes. This categorization indicates that these…
Q: Assume the allele P¹ has a population-wide frequency of 0.001. What are the chances that a person…
A: The random mating is present in the population. This suggests that population is in Hardy Weinberg…
Q: Tolerance occurs when a Same a higher O Lower, the same O Higher, the same O Higher, a lower O…
A: Introduction Drug, any chemical that has an impact on how living things function and the pathogens…
Q: Cell cycle checkpoints are found in the following phases EXCEPT: a. G1 phase b. S-phase c. G2 phase…
A: ANSWER) Cell checkpoints are described as the major states of cells during the cell cycle, where the…
Q: What metrics and devices that could be used to measure balance
A: Digital scientific balances and beam balances, like a triple beam balance, are examples of several…
Q: A neuron may receive signals from thousands of synaptic terminals. What determines whether the…
A: The peculiar structure of a neuron allows it to carry electrical messages, often known as nerve…
Q: You are doing a cross with Drosophila using the following two traits. Curly wings is dominant over…
A: Introduction The relationship between two genetic variants is referred to as dominant. Each gene…
Q: Is there a difference in the time to dissolve the small and larger biscuit/cracker? Explain. 2.…
A: 1. No, there should be no difference in the time to dissolve small or larger biscuit or cracker. It…
Q: what are the possile outcomes, pros and cons of inflammatory response genes in regards to…
A: Adenocarcinoma is a carcinoma which can develop practically anywhere in the body and starts in the…
Q: Identify the specific term that explains the evolved adaptation (type of defence) to avoid predation…
A: Defensive adaptation occurs in organisms that respond to external conditions over their lifetime.…
Q: The making of a covalent bond between two nucleotides requires the O dehydration synthesis the…
A: The bond is a kind of attraction which is present between two atoms. This is responsible for…
Q: photosynthesis and respiration
A: Photosynthesis: It is defined as the process by which plants use sunlight, water, and carbon…
Q: Chloroplastic ATP does not leave the chloroplast; chloroplastic ATP fuels the fixation of Carbon in…
A:
Q: 70. A 68-year-oldman with chronic respiratoryacidosis has an arterial pHof 7.34 and an arterial PCO2…
A: When the lungs are unable to completely expel the carbon dioxide that the body creates, a condition…
Q: TRUE OR FALSE A stem cell can reproduce itself indefinitely and differentiate into specialized…
A: Cell is a structural and functional unit of life. It is present in all living organisms.
Q: Write the DNA strand that is complementary to the following. 5' GCTAGTGCGAAACGC 3'
A: DNA or deoxyribonucleic acid is the genetic material of almost all living organisms (some have RNA).…
Q: 7. A hypothetical cell with a cylindrical shape has a diameter equivalent to 3.7 microns and a…
A: It is provided that the cell is in the shape of a cylinder. The given data includes: Diameter = 3.7…
Q: Enumerate 5 ways in which our body repair the mismatches in the DNA replication. Stare the different…
A: Errors can occur suddenly during DNA replication. The DNA strand may be improperly inserted,…
Q: 10. At the bottom of the seas where hydrothermal vents pour their chemicals into the ocean, there is…
A: Unicellular prokaryotic organisms, microscopic in size and contain primitive nucleus that can…
Q: Using some contemporary examples, explain how natural selection results in evolutionary change.
A: Natural selection is the process by which the organisms tends to adapt to an environment and then…
Q: The following questions refer to this information: In the year 2500, 5 male space colonists and 5…
A: Retinitis pigmentosa is a rare kind of eye medical condition which occurs because of some defective…
Q: Trace blood flow through the chambers and vessels of the heart. Use black ink for oxygenated blood…
A: As a result of the single circulatory system, the quantity of oxygen that can reach parts of the…
Q: Explain why only a virulent virus (like T4 phage), rather than a temperate virus, can be used in our…
A: If a virulent phage infects its host, it will produce more progeny as soon as phage DNA is injected…
Q: Provide evidence and arguments on how inflammatory response genes in regards to adenocarcinoma…
A: Cancer is a disease in which abnormal cells divide uncontrollably and they destroy their body cells.…
Q: Which process does NOT use a specific nucleotide sequence for activity? please explain the answer…
A: Introduction Nucleotides are organic compounds made up of a phosphate and a nucleoside. They…
Q: how lettuce production in hot or cold Region and how are they planted
A:
Step by step
Solved in 3 steps
- Neurons contain ________, which can receive signals from other neurons. a. axons b. mitochondria c. dendrites d. GolgibodiesAction potentials occur when ______. a. potassium gates close b. a stimulus pushes membrane potential to threshold c. sodium-potassium pumps become active d. neurotransmitter is reabsorbedWhich one of these is an example of an excitatory postynaptic potential in a typical neuron? a) A voltage change from -70mV to -70.5mV b) A voltage change from +35mV to 0MV c) A voltage change from 0mV to +0.35mV d) A voltage change from -69.5mV to -70mV
- What happens when a resting neuron’s membranedepolarizes?(A) There is a net diffusion of Na+out of the cell.(B) The equilibrium potential for K+(EK) becomesmore positive.(C) The neuron’s membrane voltage becomesmore positive.(D) The cell’s inside is more negative than the outsideWhat membrane protein of the neuron is responsible for briefly increasing the Na+ permeability of the membrane during the rising phase of the nerve impulse? a. the sodium-potassium pump b. the voltage gated potassium channel c. the voltage gated sodium channel d. the stimulus gated sodium channel e. the ligand gated ion channelThe difference in charges across the plasma membrane of anunstimulated neuron is calleda. an EPSP.b. the resting membrane potential.c. an IPSP.d. the graded potential.e. the action potential.
- Neurotransmitters must pass from an axon terminal to the next dendrite by crossing a fluid-filled space called the a. synapse. c. neuron. b. reuptake inhibitor. d. glial cell.A change in the voltage across a neuron’s plasma membranethat makes the neuron less likely to fire an action potential isa. a change that makes the resting potential less negative.b. an excitatory postsynaptic potential.c. an inhibitory postsynaptic potential.d. a change that lowers the threshold.The membrane potential labeled (0) is due to which of the following (when compared to (3) potential. (A) voltage-gated Na+ channels (B) voltage-gated K+ channels (C) voltage-gated slow Ca++ channels (D) voltage-gated fast Ca++ channels (E) voltage-gated transient Ca++ channels (F) funny channels
- Saltatory conduction is a term applied to the "jumping" movement of action potentials Multiple Choice a) along the postsynaptic membrane from dendrite to axon hillock. b) along myelinated axons. c) from one neuron to another. d) in two directions at the same time. e) across electrical synapses.Nerve membrane hyperpolarization after an action potential a)Is the movement of membrane potential voltage below normal resting potential voltage. b) This Is mostly due to the slow-closing of K+ channels. c)Makes it more difficult to evoke another action potential. d) This Is mostly due to the slow-closing of Na+ channels.Why are action potentials usually conducted in one direction?(A) Ions can flow along the axon in only one direction.(B) The brief refractory period prevents reopening of voltagegated Na+channels.(C) The axon hillock has a higher membrane potential thanthe terminals of the axon.(D) Voltage-gated channels for both Na+and K+open in onlyone direction.