Question 30 Repolarization corresponds with sodium channels opened O both sodium and potassium channels closed O potassium channels opened O potassium channels closed A Moving to another question will save this response.

Q: QUESTION 15 Which of the following diseases involves a mutation in a gene for the muscle protein…

A: The question is asking us to identify the disease that is caused by a mutation in the gene…

Q: the work of a carrier O facilitated diffusion O an unsaturable process O a saturable process

A: Given : The picture represents..

Q: The SA node of the heart creates a pace that is faster than does not generate a pace O the same as O…

A: What is the SA node - The SA (sinoatrial) node, also known as the sinus node, represents a…

Q: Signal transduction amplification is shown on this figure as ADENYLYL CYCLASE SYSTEM -A E K- 00 000…

A: Signal transduction is one of the major events in all cells that enables a signal to be transmitted…

Q: When the onion cells were placed in 15% saline solution, these cells lost water O gain water did not…

A: Introduction:- An onion is a multicellular (consisting of many cells) plant organism. The cell of an…

Q: QUESTION 2 In an electrical synapse: Neurotransmitter release triggers the opening of ion channels…

A: A synapse is a connection between one neuron's axon terminal and the dendrite of the next neuron.…

Q: Order the following in the correct sequence that reflexes are trasmitted through the nervous system…

A: In animals, there is highly specialized cell is present and is called neurons whose main function is…

Q: QUESTION 3 Some hormones bind to ion channels on neurons and cause them to open. This would be an…

A: Hormones chemical messenger present in the blood circulation. hormones are secreted by glands…

Q: Question 49 Antigen-presenting cells O For helper T cells are typically macrophages O Place the…

A: An essential part of the immune system, antigen-presenting cells process and deliver antigens.…

Q: Which of the following is not a method for removing neurotransmitter from the synaptic cleft?

A: Neurotransmitters chemical stimulus that is transmitted from one neuron to the other until the…

Q: QUESTION 19 Muscle contraction is inhibited when: The Ryanodine Receptor is open Inhibitory motor…

A: Muscle is a soft tissue and muscles cells are composed of protein actin and myosin.Muscle helps in…

Q: One difference between nervous and endocrine control is that: Neural control is only on nearby…

A: Nervous system and the endocrine system are the two systems in the body responsible for the…

Q: Which of the following statements is not correct? +30! -F Membrane Potential (mV) H D. .B -70- A C…

A: The picture is showing the action potential curve. The action potential is generated on receiving…

Q: QUESTION 2 Most sensory stimuli are interpreted in: 00 the cerebrum sensory receptor cells O…

A: Actin is a crucial protein found in cells, particularly in muscle cells. It plays a fundamental role…

Q: Question 6 (1 point) The crossbridge cycle can begin when an action potential travels t-tubules…

A: During the muscle movements, the thick filaments slide over the thin filaments and results in the…

Q: Question 24 Tryptophan-repressor complex binds to operator O Gene is switched ON Gene is switched…

A: Tryptophan operon is a biosynthetic process in Ecoli in which group of genes that is associated with…

Q: thus, clonal expansion is The HIV attack the O Helper T cell / inhibited O Regulatory T cells /…

A: Answer :- Option (A) is correct. - Helper T cell / inhibited.

Q: The hypothalamus primarily controls: a. olfactory reception and audio-visual processing Ob.…

A: ANSWER 51) In order to answer this question we need to understand what is hypothalamus. Hypothalamus…

Q: Which of the following is false? O alpha receptors cause smooth muscle to contract O Beta receptors…

A: G protein-coupled receptors such as muscarinic, beta, and alpha receptors are involved in…

Q: The following are located in the central nervous system, except: Select the correct response:…

A: The cells of nervous system other than neurons which are incapable of generating and transmitting…

Q: Facilitated diffusion is ____________     movement of water down concentration gradient using a…

A: Cell membrane is made up of phospholipids and proteins which provide the semipermeable barrier for…

Q: Flatworms (Phylum Platyhelminthes)

A:

Q: QUESTION 12 When a drop of dye is placed in water, the dye particles move from the area where the…

A: Diffusion : The movement of particles from a region of higer concentration to a region of lower…

Q: Thin Filaments contain A. Actin OB. Troponin O C. Tropomyosin OD. All of the above O E. None of the…

A: Skeletal muscles are one of the three chief types of muscles found in the muscular system of the…

Q: Question 21 Which of the following correctly describes Summation ? O is the release of…

A: Summation means integrating or adding the impulses together. It may occur when several electrical…

Q: Adenylyl cyclase activity will increase in response to the binding of _ adenosine triphosphate…

A: The enzymes that is involved in the conversion of ATP to cyclic AMP (cAMP) and pyrophosphate is…

Q: In a negative feedback loop, O the response loop diminishes or eliminates the original stimulus. the…

A: Feedback is an event defined as the information perceived about a reaction will allow the product…

Q: Question 7 Place the events involved in generating an action potential in the order in which they…

A: Neurons are ths structural and functional unit of the nervous system. They help to transmit…

Q: Arrange signalling cascade events in chronological order. Release of Ca2* ions triggered by IP3…

A: A signaling cascade also known as a signaling pathway is a series of reactions that occur within a…

Q: Question 28 After the depolarization phase of an action potential, the resting potential is restored…

A: The neurons have the capability to generate and transmit electrical impulses in our body. These…

Q: Action potentials are-signals--neurons

A: Action potential and resting membrane potential are changes in the membrane electrical potential…

Q: QUESTION 12 As your body becomes cold cells in your skin determine the change and send a signal to…

A: The question is asking us to identify the role of the hypothalamus in the body's response to cold…

Q: QUESTION 15 Hydrophobic signal molecules usually bind to: Cell-surface receptors. Internal receptors

A: Hydrophobic signal molecules usually bind to -----------2. internal receptor.These hydrophobic…

Q: QUESTION 10 When an action potential depolarizes the axon terminal, opening of causes O Ligand-gated…

A: The transmission of nerve impulse from one neuron to the next neuron is known as synaptic…

Q: When a cell membrane potential shifts from -70mV to -90mV we say the membrane has:

A: Neurons typically show a resting membrane potential at -70 mV. This resting potential is disturbed…

Q: Question 5 0.5 pts Which of the following are receptors used for neurons during reception? O…

A: 5.  Volatge gated ion channels

Q: QUESTION 16 Which statement incorrectly pairs the cell type with its function? Satellite cell -…

A: Neurons are extremely specialized cells that form the core of the nervous system. The nervous system…

Q: Question 29 Sponges (Porifera) All of the above pump water through their sponge material with the…

A: Members of this phylum are known as sponges. They are mostly marine and mostly asymmetrical animals.…

Q: In a voltage clamp: O A. A constant current across the membrane is maintained in order to counter…

A: Difference of ionic potential is present across the membranes. This results in the flow of ions from…

Q: luestion 25 Honey bees have a special type of communication to indicate to the other worker bee…

A: Honey bee also have pheromones to communicate with each other.

Q: The Vm labeled A could be produced by _. +40 +20 Membrane potential difference (Vm) at rest -20 Vm…

A: Membranes potential is essential for the conduction of nerve impulses and this occur due to the…

Q: Question 45 A collateral axon provides neurotransmitters at the synaptic cleft that opens…

A: The neuron forms the basic structural unit of the nervous system which helps in the communication…

Q: QUESTION 10 The crossbridge cycle is initiated by the rise in released from the sarcoplasmic…

A: Skeletal muscles are composed of muscle fibres. The plasma membrane covering the fibre is called…