abels 1. Excitation of musele cell 2. Excitation-contraction couupling 3. Crossbridge cycling Action poteial travele aleng sarcelemma, down wall of 1-tubule Ation potential arives at synaptie anob Calcium binds te trepenn Calcium enters synaptie knoh and Binds ynaptie vesices Cam released frem S saraplasm Crossbridge formatio p stroke causes centration Exetytosis of ACA, which inde ACh receptore Sedium esters mussie ce tesuting in end glate potential Tropomyusin moves te espose mysin binding site OUTLINE RESET D M NOTES Iti turonA

Q: Which of the following would not be considered a component of sexual reproduction? Select an answer ...

A: Sexual reproduction refers to the production of new organisms by the combination of genetic informat...

Q: A. The influx of Na+ into the cell C. Removing the myline sheath. B. By the influx of Cl ions into t...

A: Cells constitute all the organs and the organ systems of the body. These systems are involved in the...

Q: What is the quantitative criteria for drinking water and why is virus not included in the criteria?

A: Water quality criteria have been widely established for a number of traditional water quality variab...

Q: 55- For antigravity muscles, firing the medulla leads to: A. Decerebrate Rigidity C. Excitation the ...

A: Antigravity muscles: As the name suggests these oppose the direction of gravity. These muscles are w...

Q: specific base pairing essential to the processes of transcription and translation?

A: Transcription is the process by which an RNA copy of a gene sequence is created. This copy, known as...

Q: 41. The template strand of a gene has the sequence 3'-TCCCATGAG-5', Which of the following would be ...

A: Amino acids are the structural unit of proteins. there are majorly of 20 amino acids which are divid...

Q: A eukaryotic gene is added to a mixture containing a restriction enzyme EcoRI and a bacterial plasmi...

A: The restriction endonuclease is the enzymes that help in the deduction of the DNA from a specific se...

Q: describe the different biotic and abiotic factors in a grassland describe the ecological relationshi...

A: Grasslands are open areas of land where grasses or grasslike plants are the prevailing species. Tree...

Q: The part of the brain controlling basic body functions such as heart rate and blood pressure is the:...

A: The human body is composed of a number of organ system. All these systems perform the various import...

Q: Which technique used to manipulate genetic material results in a significant increase in DNA or RNA ...

A: In biotechnology laboratories different techniques are used to manipulate the genome of the organism...

Q: • How many sperm cells will be produced by 800 spermatids? (number only) • If there are 50 secondary...

A: The secondary spermatocyte divides into 2 haploid spermatids which transforms into a mature sperm by...

Q: Why are insect pests economically significant?

A: Pest A pest is any living organism which competes with human, domestic animals or desirable plants ...

Q: Complete the tabl

A:   STRUCTURAL SIMILARITIES WITH OTHER ORGANISM  STRUCTURES UNIQUENESS DEVELOPMENTAL PATTERN  DNA  M...

Q: Stromatolites form a variety of morphologies with specific characteristics, including which of the f...

A: stromatolite is alayered deposit in mainly of limestone that is  formed by the growth of blue-green ...

Q: a. 8 b. 23 c. 1024 d. 8,000,000 e. 46 32. Rosalind Franklin d. sequenced DNA molecules. D. establish...

A: Cell cycle, Interphase - G1, S phase , G2 phase  Mitosis Cytokinesis. Mitosis has 4 phases , they ...

Q: Which observation is NOT an evidence for Darwin's theory of common descent? Group of answer choices ...

A: Darwinism is a biological advancement that is created by the English naturalist Charles Darwin and o...

Q: Compare and contrast TRANSLATION in prokaryotes and eukaryotes

A:

Q: n cattle, “short spine” is lethal shortly after birth; it is caused by the homozygous recessive geno...

A: There are few points that should be kept in mind: Each diploid has two alleles for a trait : Homozy...

Q: Define the following terms: A) substrate B) cofactor C) coenzyme D) apoenzyme E) holoenzyme

A: Enzymes These are defined as the proteins that help in speeding up metabolism and the  chemical reac...

Q: Answer true or false 1. Parasitism, once considered a symbiotic relationship, is now considered a f...

A: 1. Predation and parasitism are two interspecific relationships and occur between two different spec...

Q: Which of the following processes includes the removal of introns in the primary RNA transcripts? Gro...

A: The process which is associated with removal of Introns in the primary RNA transcripts is SPLICING. ...

Q: Activity 7.2: Directions: Complete the diagram by filling up the words from the box. Energy Flow Ino...

A: Ecosystems require a constant supply of energy to power biological processes and replenish energy lo...

Q: Compare and contrast Transcription in prokaryotes and eukaryotes

A: INTRODUCTION Transcription This is the process by which an information in the DNA stand is copied to...

Q: Describe two practical and personal applications of your knowledge about the integumentary system.

A: The integumentary system includes dermis, epidermis, hypodermis, hairs and nails. 

Q: Which of the following best explains afterimages? a. trichromatic theory b. opponent-process theory ...

A: After the image is the image that occurs continuously after the disappearance of original images. Af...

Q: In the pathway below, normal signalling driving cell division requires a mitogen (ligand), an RTK, R...

A: Mutations are alterations in the DNA sequence of an organism. Small changes, such as adding or remov...

Q: Answer the following questions. 1. If you want to engage in hog fattening, which breed would you cho...

A: 1. For Nursery operations, which focus on rearing pigs from weaning of pigs until the 'feeder' stage...

Q: 50- Cerebellum can get information about movement: a- Corticopontine - cerebral c- Corticospinal tra...

A: Introduction: The cerebellum receives information from the sensory systems, the spinal cord and othe...

Q: neuroglial cells that produces

A:

Q: Which of these characteristics is NOT shared by bacteria and archaea?

A: The above given statement is about bacteria and archae.

Q: What are adaptation

A: Adaptations are defined as any heritable trait which helps any organism to have a survival advantage...

Q: Which of the following substances would NOT be provided by turnip greens (a "dark green leafy" veget...

A: Turnip greens are greens of turnip.  Belongs to cruciferous family which is same as of kale & br...

Q: Practice Worksheet: Mitosis and Cancer 1. Label the parts of the cell cycle using the word list prov...

A: According to our guideline we can answer only first three subparts of the question. So, please uploa...

Q: OTPDI Ə g TITM d. The viral DNA will be rodioactive e. The viral proteins will be radioactive. 48. E...

A: Introduction :-  Transfer RNA is an adapter molecule made up of RNA with a length of 76 to 90 nucleo...

Q: Sex-linked inheritance refers to: O the inheritance of genes that influence expression of phenotypic...

A: Introduction: A genetically determined characteristic or condition is known as trait. It is the char...

Q: The table below shows taxonomic information for the gray wolf and four other species. Gray Wolf Spec...

A: D. 123

Q: With regards to small pox disease,describe the difference between variolation and vaccination and ex...

A: Variolation was an earlier approach used for immunisation against smallpox disease( variola). It inc...

Q: Stem cell lines are developed from O multipotent cells O inner cell mass cells from a blastocyst cel...

A: Stem cells are pluripotent cells. They can be preserved for future generation, to store human genes....

Q: Assuming a Hardy-Weinberg equilibrium, 21% of a population is homozygous dominant, 50% is heterozygo...

A: Hardy-Weinberg equilibrium  In population genetics Hardy-Weinberg equilibrium will be applicable if ...

Q: No two people are genetically identical, except for identical twins. What is the main source of gene...

A: Answer: new mutations that occurred in the preceding generation

Q: Which of the following processes includes the removal of introns in the primary RNA transcripts? O p...

A: Introns are noncoding sequences of an RNA transcript or the DNA encoding it. In simple terms, intron...

Q: 34- Which of the following sentences is incorrect: a- Muscle fibers and neurons are similar because ...

A: there needs a correction in question part. it is saltatory conduction.

Q: Which taxon is classified with the presence of club shaped structures that contain the reproductive ...

A: During the reproductive phase, fungi produce spores are produced via asexual or sexual reproduction....

Q: Name 2 indirect methods for measuring microbial growth and describe how each is performed. a. i. A...

A: Two indirect methods for measuring microbial growth are :  1. Turbidimetric method 2. Standard plate...

Q: Which archaean can found in waters and soil of the Arctic and Antarctic regions? Group of answer cho...

A: Archaens are the group of prokaryotic organisms which are adapted to live in extreme conditions such...

Q: 1. What specific purpose does the tube having substrate and distilled water serve? It's a controlled...

A: Experiment variables  An experiment have different variables which are any factor, trait or any cond...

Q: In corn, kernel color is governed by a dominant allele for white color (A) and by a recessive allele...

A: The problem based on Hardy Weinberg equilibrium.

Q: Upper motor neuron

A: B. Upper motor neuron

Q: 27- The calcium ions those are needed for muscle contraction are stored in: A. Transverse tubules C....

A: The correct option is b sarcoplasmic reticulum Sarcoplasmic reticulum: a smooth endoplasmic reticulu...

Q: Synapsis and crossing over [Choose ] [Choose] Prophase II Telophase II Prophase I Telophase I Spindl...

A: Synapsis & crossing over - Prophase 1. Spindle form - Prophase 2. Chromosome decondensed - Telop...