The function of the crispr-associated protein is to bind sgRNA, bind target DNA, cleave target DNA.
What is genome/ DNA editing?
Genome editing allows us to make changes to the DNA. This might lead to changes in physical characteristics like eye color, and disease risk. Different technologies are used for the purpose of genome editing.
The DNA is cut at specific spot by molecular scissors, after which at the site of cut, we can add, replace or remove DNA.
1900s was when the first genome editing technology was developed. The new genome editing tool CRISPR was invented in 2009. CRISPR is faster, simpler, cheaper and much more accurate than the older technologies.
Therefore, the function of the crispr-associated protein is to bind sgRNA, bind target DNA, cleave target DNA.
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dumpy wing is recessive to normal wing in drosophila. following a cross between true-breeding dumpy- and true-breeding normal-winged parental flies, there are 480 flies in the f2 generation. assuming this is an autosomal trait, how many f2 progeny should have dumpy wings?
The dumpy wing trait is recessive to normal wing in drosophila. Assuming this is an autosomal trait, there are 120 f2 progeny having dumpy wings trait.
What is a genotype of a true breed?Crossing two creatures that are considered to be true breeders for a particular trait always results in offspring who share their genotype for that characteristic. It's vital to note that this applies to both dominant and recessive traits and that true-breeding organisms are homozygous for the true-breeding trait.
What is the genotype of the F2 generation?Because two heterozygous parents were crossbred, the F2 generation is more varied. The genotype distribution of the F2 generation is as follows: 50% heterozygous, 25% homozygous recessive, and 25% homozygous dominant.
What distinguishes an autosomal dominant or recessive trait?One of the parents must possess the trait for it to be dominant. No generation will be spared from dominant features. If a trait is recessive, neither parent needs to have it in order for it to be present because they can both be heterozygous.
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During mitosis, it is necessary for the nuclear envelope of the parent cell to disintegrate. If the enzyme responsible for this is inhibited, at which phase of mitosis are cells likely to arrest?.
At the start of mitosis, the cyclin-dependent kinase causes the nuclear envelope to disassemble. INM protein phosphorylation alters how chromatin interacts with these proteins.
Sister chromatid segregation depends on nuclear envelope collapse. The nuclear membrane disintegrates, the nucleolus vanishes, and the chromosomes condense during prophase.
The same things that happen in prophase I of meiosis also happen in prophase I of mitosis. The centrosomes start to separate, the nuclear membrane starts to break down, and the chromosomes coil up, last prophase (prometaphase). The chromosomes are completely condensed and the nuclear membrane disintegrates. The mitotic spindle starts to gather and arrange the chromosomes in late prophase, also known as prometaphase.
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arterial thrombi are composed of erythrocytes with larger amounts of fibrin and very few platelets, whereas venous thrombi are composed of mostly platelets held together by fibrin strands. select one: true false
Endothelial dysfunction is linked to venous thromboembolism (also known as deep venous thrombosis and pulmonary embolism, or VTE for short).
What is the erythrocyte's primary purpose?Erythrocytes, also referred to as red blood cells, carry oxygen to your body's tissues. As breath is metabolized, co2 is released by your cells. Additionally, our red plasma cells carry carbon dioxide to the lungs so you can exhale it.
What does having a high erythrocyte count mean?What does a high red plasma cell count indicate? You have erythrocytosis, which is defined as having a high red plasma cell count. As a result, your blood is thicker than it ought to be, which raises the possibility of blood clots.
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specific hormones are released from the small intestine and travel through the circulatory system. if these hormones are not released what do you predict would be the initial consequence?
Pepsin and hydrochloric acid will continue to be released by the stomach.
What hormonal secretions are produced by the small intestine?
Secretin and cholecystokinin are released by the small intestine's mucosa. An acid-neutralizing fluid high in bicarbonate is produced by the pancreas in response to secretion. In order to release bile, the gallbladder is stimulated to contract by cholecystokinin.
The various digestive enzymes that are released in the stomach and intestine during the digestion and absorption process are regulated by hormones.
Therefore, Cells in the stomach and small intestine's mucosa produce and secrete the main hormones that regulate the digestive system's functioning.
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a portion of dna that encodes a specific protein is called a(n) multiple choice gene. chromosome. kinetochore. chromatid. centromere.
Gene is the portion of DNA that encodes for a specific protein.
What is a gene?
The term "gene" can be interpreted in a number of ways. The molecular gene is a sequence of nucleotides in DNA that is transcribed to form a functional RNA, whereas the Mendelian gene is the fundamental unit of inheritance. Protein-coding genes and noncoding genes are the two categories of molecular genes.
Gene is basically responsible for the inheritance of a particular character, the character expressed in an individual with the help of the protein responsible for that particular character. DNA has a nucleotide sequence in which collectively triplets are called codon which is mainly responsible for the protein-coding.
Hence, a gene ( codon in the form of a triplet ) that codes a specific protein.
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What is a neutron? Help lol
Answer:
a subatomic particle found in the nucleus of every atom except that of simple hydrogen.
Explanation:
Neutrons are the particles in an atom that have a neutral charge. They aren't positive like protons. They aren't negative like electrons.
HOPE IT HELPED :)
Match the following phases:
Column A
1.
Chromatids remain attached at their centromeres as the spindle fibers move the homologous chromosomes to opposite poles of the cell.:
2.
A nuclear envelope forms around each set of chromosomes, the spindle breaks down and the cytoplasm divides, resulting in 4 haploid cells.:
3.
Chromosomes gather at the poles; the cytoplasm divides.:
4.
The nuclear envelope breaks down; genetic material is exchanged through crossing over:
5.
Chromosomes line up at the equator.:
6.
Pairs of homologous chromosomes line up at the equator.:
Column B
a. Telophase I
b. Metaphase I
c. Anaphase II
d. Metaphase II
e. Telophase II
f. Prophase I
Answer: 1. C. 2. E. 3. A
4. F 5.D 6. B
Explanation:
dna replication proceeds in both direction(s) from the origin of replication and always in the select answer direction. assessment question
The DNA replication machinery can only add nucleotides in the 5' to 3' direction, but both strands are replicated using a clever workaround by the cell. In addition, replication forks move in both directions from a replication origin.
Replication proceeds along the two single strands at the same time but in opposite directions .This forms two replication forks that move along the DNA.
DNA replication proceeds and forms a Y-shaped structure called a replication fork. Assisted by DNA polymerase enzyme that catalyzes nucleotide polymerization in a 5′-to-3′ direction, copying a DNA template strand .
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person z encounters a snake in his driveway. his heart rate and blood pressure increase and his pupils dilate. whoa! which nervous system is responsible for these physiological changes?
Person z encounters a snake in his driveway. his heart charge and blood strain increase and his students dilate. The sympathetic nervous device is responsible for these physiological modifications.
A sympathetic frightened gadget is a network of nerves that allows your body activates its “fight-or-flight” reaction. This system's hobby will increase while you're burdened, in chance, or physically lively.
The sympathetic and parasympathetic frightened systems commonly do contrary things inside the body. The sympathetic frightened device prepares your body for bodily and mental interest. It makes your heart beat quicker and more potent, opens your airlines so that you can breathe extra without difficulty, and inhibits digestion.
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All organisms use respiration, but a. only plants have mitochondria b. only animals have mitochondria c. only prokaryotes have mitochondria d. only eukaryotes have mitochondria
Answer: D
all eukaryotes have mitochondria including plants and animals but its not exclusive to one
Answer:
only eukaryotes have mitochondria
Explanation:
Both plant and animal cells are eukaryotic however plant cells do not have mitochondria.
identify changes in the digestive system seen in old age. select all that apply. multiple select question.
Older people have changes in their digestive systems such as decreased appetite, poor vitamin absorption, decreased salivation, and a rise in tooth and gum disorders.
Through a sequence of muscle contractions, our digestive systems transport food throughout our bodies. This process may become slower as we get older. When that occurs, the body absorbs more water from the diet, which may cause constipation. It's crucial to stay hydrated to help prevent constipation.
Its digestive tract is developed enough to process solid food items and receive nutrition from them once the baby is older than six months.
Among senior patients, anorexia, dysphagia, dyspepsia, constipation, and fecal incontinence are the most typical gastrointestinal problems.
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medial and lateral condyles of the femur. i: posterior surface of calcaneus. a: plantar flexes the foot; assists with flexing leg
The ankle joint can flex in four directions: plantarflexion, dorsiflexion, inversion, and eversion. Leg muscles are separated into anterior and posterior groups.
What does the foot's plantar flexion entail?The movement of the foot away from the torso in a downward direction is referred to as plantar flexion. Numerous movements, including walking every day, depend on this motion. Rheumatoid arthritis and osteoarthritis, for example, might lessen plantar flexion and make walking more challenging.
What muscle supports the foot's plantar flexion?At the ankle joint, the soleus, gastrocnemius, and plantaris muscles work together to cause plantar flexion. When we tip-toe around them, their movement raises us off the ground.
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Substrate-level phosphorylation accounts for approximately what percentage of the atp formed during glycolysis?.
100% of the ATP formed by the reactions of glycolysis.
Glucose is a process of metabolism which converts glucose into pyruvic acid.
This process released free energy which
help in formation of ATP and less the mount of NADH.This process completes in ten sequences which are catalyzed by enzyme. It is an anaerobic process which does not require oxygen.Substrate-level phosphorylation is the direct transfer of phosphate group to ADP to form ATP. It accounts of 100% of the ATP formed by the reactions of glycolysis. Glycolysis is the metabolism of glucose into two pyruvate molecules, with the net generation of two molecules of ATP and two molecules of NADH. Glycolysis is an anaerobic reaction, and in low oxygen conditions is the cell’s sole source of ATP.
Thus, the percentage of ATP formed is
100%.
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what is the main explanation for the difference in basal metabolic rates between males and females of the same body weight? group of answer choices males are usually taller than females females have lower levels of thyroid hormones males have a higher percentage of lean body mass females have a lower percentage of adipose tissue
Males have a higher percentage of lean body mass than females do, hence their basal metabolic rates differ when they are the same weight. Here, solution C is the right one.
The amount of calories burned while your body carries out basic (basal) life-sustaining tasks is known as your basal metabolic rate (BMR). The number of calories expended if you stayed in bed all day is known as the resting metabolic rate (RMR), or simply RMR.
The average BMR of a man is around 7,100 kJ per day, whereas the average BMR of a woman is around 5,900 kJ per day.
Suppose, for instance, that you desire to gain 1 pound each week and have a BMR of 1,500 calories. Considering that 3,500 calories make up one pound, you should normally consume an additional 3,500 calories daily, or 500 calories more. This would imply that you should consume about 2,000 calories per day.
Complete question:
What is the main explanation for the difference in basal metabolic rates between males and females of the same body weight? group of answer choices
A - males are usually taller than females
B - females have lower levels of thyroid hormones
C - males have a higher percentage of lean body mass
D - females have a lower percentage of adipose tissue
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Wheter you are albino or not is decided by single gene with two alleles. the normal allele a is dominant to the albino allele a. demissie is albino but seble is not. they are expecting a baby. we know exactly what is demissie's alleles are what are they and how do you know?
We know demissie's alleles are cytosine bases.
According to the definition of an allele given in the top textbooks on genetics and evolution, an allele is a different arrangement of the same nucleotides in the same location on a long DNA molecule. In population genetics, the ABO gene-phenotype for almost every living person is a mix of simply these six alleles.
The majority of observed alleles have little to no impact on how the gene product they code for functions. However, occasionally distinct alleles might produce distinct phenotypic features that can be observed, such as differing coloring.
A hereditary disorder called albinism causes a reduction in melanin synthesis. Skin that has albinism is extremely sensitive to sunlight and light.
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Portions of eukaryotic mrna sequence that are removed during rna processing are ________.
Portions of eukaryotic mRNA sequence that are removed during rna processing are introns.
Introns are removed from the pre-mRNA by the spliceosome, If these structures are not removed, then RNA will translated many nonfunctional protein.
Advancement in most eukaryotic mRNA precursors requires a process known as splicing, in which internal noncoding segments known as introns are removed and the coding segments, known as exons, are joined to produce functional mRNAs. This is one of the necessary process for correct translation .
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discuss how the larger energies needed for the movement of larger animals would relate to metabolic rates.
Animals get larger energies from meals. Given the identical speed, a bigger animal could have greater kinetic power, and consequently desires a bigger metabolic fee to greater quick convert meals power into kinetic energy.
Bigger animals have decrease metabolic rates (B). The want for such version stems from easy geometry. As frame extent will increase, floor place will increase greater slowly. So an elephant radiates and loses much less power according to gram than a mouse and consequently calls for much less alternative power according to gram. Metabolic fee is carefully associated with frame size (frame mass), however while mass will increase, metabolic fee normally will increase much less.
Just as a small mobileular has greater floor place relative to its extent than a huge mobileular, so a small animal has greater frame floor relative to its extent of metabolizing tissue. Metabolic fee may be measured maximum at once because the fee of warmth power launched from an animal's frame, a technique known as calorimetry. The elements influencing the basal fee of metabolism (BMR) in 639 species of mammals encompass frame mass, meals habits, climate, habitat, substrate, a restrict to islands or highlands, use of torpor, and form of reproduction.
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19) there are two major types of protein kinases according to which amino acids they phosphorylate. what are these amino acids for the two groups?
Kinases often fall into one of two categories: Either they will phosphorylate the bulkier aromatic tyrosine or the smaller serine and/or threonine, which are frequently interchangeable. Thus, they are suitably known as protein tyrosine kinases (PTKs) and protein serine/threonine kinases (PSTKs) (PTKs).
Protein kinase comes in two primary varieties. Although there are other varieties, serine/threonine kinases make up the vast majority. These enzymes phosphorylate the hydroxyl groups of serines and threonines in their substrates. Additionally, microbes and plants include protein kinases.
What are the two types of phosphorylation?
Oxidative phosphorylation and substrate-level phosphorylation are the two types of phosphorylation that can convert ADP to ATP. The source of the free energy that drives phosphorylation is the main distinction between these two processes.
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in which phase cell ensures there is a supply of energy and nucleotides, and proteins, like histones and enzymes needed for dna replication
The cell ensures the supply of energy and nucleotides, and proteins, like histones and enzymes needed for DNA replication during the G1 phase.
Nucleotides are the basic units of DNA as well as RNA. A nucleotide consists of a sugar, a phosphate group and a nitrogenous base. Several nucleotides joined together form a complete DNA.
G1 phase of the cell cycle belong to the interphase stage. During this the cell prepares for the further events like DNA replication and cell division. This is called the growth phase of cell where the cell becomes larger in size. It is also rich in several proteins, enzymes and other molecules that will be required during the upcoming events.
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Eukaryotic and prokaryotic cells use fermentation to obtain energy from food when BLANK levels are low.
Answer:
Oxygen
Explanation:
Fermentation is a reaction that eukaryotic and prokaryotic cells use to obtain energy from food when oxygen levels are low. Because no oxygen is used, fermentation makes less ATP than cellular respiration does. Fermentation takes place in a cell's cytoplasm, not in mitochondria.
What item is apart of a desert community?
Answer:
Explanation:
A cactus
how is atp produced in mammalian cells under aerobic conditions? 1. photophosphorylation 2. oxidative phosphorylation 3. substrate-level phosphorylation 4. phosphorolysis
Atp produced in mammalian cells under aerobic conditions:
oxidative phosphorylation
substrate-level phosphorylation
What is Aerobic Condition?
Aerobic conditions exist when there is free oxygen or dissolved oxygen in an aquatic environment. Plants, animals, and other living organisms require oxygen to survive. However, an aerobic environment may promote the growth of aerobic microorganisms, the metabolic activities of which can influence metal corrosion.
Aerobic environments can be found in the atmosphere, soil, fresh and waste water, and other media. The oxygen concentration varies with medium and is highest in air and lowest in soil and water.
Aerobic conditions can either speed up or slow down corrosion. Bacteria that influence corrosion are classified as aerobic if they require oxygen to become active, or anaerobic if they do not.
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During protein synthesis, what cellular component catalyzes the formation of peptide bonds?.
The big ribosomal component of the ribosome catalyzes the chemical process of protein synthesis known as peptide bond formation.
How does the term "catalyst" apply?An occurrence or change that is caused by something or someone: The govt's arrest of him acted as the impetus for the revolution that followed civil unrest. someone who makes others more amiable, enthusiastic, or energetic through their speaking or other displays of energy.
Catalyze: How to Use It in a Sentence.He would need to use medicines such as adrenaline and others to expedite his recovery. Sometimes even the seldom chance to spend some time away from the responsibilities of operating a business on a daily basis can spark more imaginative thinking.
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Which type of lipoprotein takes cholesterol from cells or atherosclerotic deposits back to the liver?.
The type of lipoprotein takes cholesterol from cells or atherosclerotic deposits back to the liver is High density lipoproteins (HDL).
What is High density lipoprotein?High density lipoprotein can transport back cholesterol and sometimes called "good cholesterol". Patient with too low high-density lipoprotein will be considered having dyslipidemia(disturbance in cholesterol concentration) when other cholesterol considered as dyslipidemia if its too high.
Patient with too low high-density lipoprotein will be considered having dyslipidemia(disturbance in cholesterol concentration) and high density lipoprotein can transport back cholesterol and sometimes called "good cholesterol".
Therefore, The type of lipoprotein takes cholesterol from cells or atherosclerotic deposits back to the liver is High density lipoproteins (HDL).
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The spontaneous loss of amino groups from adenine results in hypoxanthine, an uncommon base, opposite thymine in dna. What combination of molecules could repair such damage?.
Hypoxanthine, a rare base, is produced by the spontaneous loss of amino groups from adenine and is found next to thymine in DNA. DNA ligase, replication fork proteins, and adenylyl cyclase are the components that together might repair such damage.
DNA synthesis is a complicated procedure that has the potential for repair. DNA repair pathways are used to make the repair in order to fix the DNA damage. The majority of the repair procedure involves removing the damaged and substituting fresh sequences. The enzyme that can separate DNA into segments is called nuclease. After removing the unusual base-pair hypoxanthine from the DNA segment, DNA polymerase can be used to lengthen the sequence. Thus, this type of DNA damage can be repaired by the trio of nuclease, DNA polymerase, and DNA ligase. Between the DNA segments, nicks can be joined by DNA ligase.
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how do oxygen and carbon dioxide move across the cell membrane?
a cell in g2 before meiosis begins, compared with one of the four cells produced at the end of meiosis ii, has multiple choice twice as much dna and twice as many chromosomes. four times as much dna and four times as many chromosomes. four times as much dna and twice as many chromosomes. twice as much dna and half as many chromosomes. twice as much dna but the same number of chromosomes.
Four times as much DNA and twice as many chromosomes. Option B.
The period after DNA synthesis has occurred and before the onset of the prophase. Cells synthesize proteins and continue to grow in size. Note that the G2 phase is the second gap phase because the G in G2 stands for gap and the 2 for her second. At the end of meiosis are her four haploid daughter cells that develop into sperm or eggs.
Cells grow physically increasing the number of proteins and organelles. In the S phase, cells copy DNA to generate two sister chromatids and replicate nucleosomes. Finally, the G2 phase involves further cell growth and organization of cell contents. This stage ensures that chromosomal errors are repaired and the cell is ready to continue before proceeding to the next stage of the cycle.
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In humans, height and skin color have continuous variation in the population because of __________.
Answer:
polygenic inheritance
Answer:polygenic inheritance
Explanation:Human features like height, eye color, and hair color come in lots of slightly different forms because they are controlled by many genes, each of which contributes some amount to the overall phenotype.
explain how the toxin binding would change the normal sequence of events at the neuromuscular junction.
Toxins that are binding will affect the normal sequence in the junction leading to paralyzes as they inhibit the release of acetylcholine from the presynaptic vesicles at the neuromuscular junction
The toxins which are binding like Botulinum which works by invading nerve cells where it releases an enzyme that prevents muscles from contracting leading to the lack of neurotransmitters capable of binding to ion channel receptors on the motor endplates of muscle cells preventing the initiation of endplate potentials.
The end result of this inhibition is a long-lasting inhibition of neurotransmitter pain can also be felt, in increased muscle soreness.
These toxins can be removed by proper digestion and detoxification
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What can be concluded from the data about the reliability and validity of the thermometer?
Answer:
ik there's no pic
Explanation:
