Answer:
Adenine can go with Thymine
Explanation:
List in order the levels of classification,beginning with domain
Answer:
The answer is Domain, kingdom, phylum, class, order, family, genus, species.
A computational biologist develops a computationally intensive program for DNA sequence alignment. When they use distributed computing techniques to run the program on four computers in parallel, they find a speedup of 4. In this case, what does a speedup of 4 indicate
Answer: The program completed in a quarter of the time with four computers versus one computer
Explanation:
Distributed computing simply means using distributed systems in solving computational problems and this is done as the problem is divided into many tasks, whereby the tasks are accomplished by one or more computers.
Following the information given in the question, a speedup of 4 indicate that the program completed in a quarter of the time with four computers versus one computer.
Balance the equation with the correct coefficients.
Answer:
2 KClO³ ------ 2KCl + 3O2
Answer:
2KClO3--------2KCl+3O2
Which statement about inheritance is true?
Girls get most of their traits from their moms; boys get most of their traits from their dads.
Male offspring will always have an X-linked genetic disease if the mom is a carrier.
Fathers always determine the gender of the offspring in humans.
Males never have Y chromosomes.
Answer:
The correct answer is the third statement.
Explanation:
In humans, the males possess one X and one Y chromosome, while the females possess two X chromosomes. Thus, the female always donates X chromosome to the gamete. In any case, the female always generates a similar kind of gamete. While the male either pass X or the Y chromosome to the progeny.
When the gamete with the X chromosome combines with the female gamete than the offspring would possess XX chromosomes and will be a female. On the other hand, when the gamete comprising the Y chromosome combines with the female gamete than the offspring would possess the XY chromosome and will be a male. Thus, it is the father who determines the gender of the offspring.
This is wrong. Parents gender does not affect traits passed on.
Males never have Y chromosomes.This is wrong, Males have to have a Y chromosome. (XY)
Male offspring will always have an X-linked genetic disease if the mom is a carrier.This is wrong. The male offspring have a 50/50 chance if the mother is a carrier, if she has the deseace than all the sons will have the decease.
Correct answerFathers always determine the gender of the offspring in humans.This is because the mom is XX and the dad is XY. The mom gives the X in the gene, and the dad gives the X for daughters (X,X) and gives the sons a Y (X,Y) Males are always XY.
If the mom is a carrier, h, then it will get passed down 50% of the time, and when it gets passed down to the males, they wiill have the deseace. If the mom passes the deacease down to the daughters, 50% will be a carrier too if the dad does not have the deseace. If the dad has the deacease, than 50% of the daughters will have the deacease, and the other 50% will be carrier, and still, 50% of the sons will have the deacease, while the other 50% will be completely clean. So in total 25% of the offspring will be a carrier, 50% will have the deacease, and the other 25% will not have the deacease or be a carrier.
The picture shows an organ system in the human body.
Kidney
A
Bladder
What is a function of the organ system shown?
Please I urgently need help with this
Answer:
A - Stigma
B - Anther
C - Filament
D - Style
E - Ovary
F - Petal
Explanation:
The above are the correct answers of the image drawn in the attachment.
These are parts of a flower.
A - Stigma: It is the head of the pistil. It contains a sticky substance that catches pollen grains from other pollinators.
B - Anther: This is the head of the stamen. It produces pollen grain.
C - Filament: It is a long slender part of the flower. It attaches the anther to the flower.
D - Style: It actually holds the stigma.
E - Ovary: It holds the ovule. Found at the base of the pistil.
F - Petal: It attracts pollinators to the flower.
Propose what happens to sodium and potassium ions during hyperpolarization.
Answer:
En biología, la hiperpolarización es cualquier cambio en el potencial de membrana de la célula, que hace que esté más polarizada. Es decir, la hiperpolarización es un incremento en el valor absoluto del potencial de membrana de la célula.
During hyperpolarization, sodium ions are pumped out of the cell and potassium ions are pumped into the cell, leading to an overall increase in the negative charge within the cell.
What is hyperpolarization?Hyperpolarization is a process that occurs in cells, particularly in neurons (nerve cells). It is characterized by an increase in the negative charge within the cell, which results from the movement of ions across the cell membrane. During hyperpolarization, sodium ions are pumped out of the cell and potassium ions are pumped into the cell. This results in a more negative charge inside the cell, which can inhibit the cell's ability to respond to stimuli.
Hyperpolarization is the opposite of depolarization, which is a process that leads to a decrease in the negative charge within a cell and an increase in the cell's excitability. Hyperpolarization can be triggered by various stimuli and plays a role in the normal functioning of the nervous system.
Learn more about hyperpolarization, here:
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SODO
What terms applies to a period in
evolutionary history when a species shows
little or no change?
Answer:
Punctuated equilibrium
Explanation:
The idea of "punctuated equilibrium" suggests that species will show little to no evolutionary change throughout their history. When evolution does occur, according to this idea, it happens sporadically and relatively quickly compared to the species' full duration on Earth.
Sulfonamides:A) interfere with elongation of peptidoglycanB) are metabolic analogs of PABA and block folic acid synthesisC) attach to the 30S ribosomal subunit and disrupt protein synthesisD) damage cell membranesE) block peptidases that cross-link glycan molecules
Answer:
The answer is B
Explanation:
sulfonamides inhibit bacterial folic acid synthesize enzyme( Dihydropteroate) which is responsible the activation (PABA) for synthesis of folic acid
‼️Need answer asap‼️. Which jar contains a mixture? A jar of solid carbon. A jar of carbon dioxide gas. A jar of liquid copper. A jar of copper and water.
Answer:
A jar of copper and water
Explanation:
The rest are compounds.
Help me please I really need this tomorrow
19. place moth balls in the closet and observe after several days.
20. whenever wax or a candle burns it turns from solid to liquid but again at room temperature it turns to solid
21. evaporation, condensation, precipitation
22. it produces new substances
23. vinegar Bubbles when baking soda is added
24. steam
What's different about the 4 dams
Answer:
dams could mean the bridges
dams could be mean like something real good
It could also dams as in girl eg-damsel in distress, dams was a old word used in the 70s for girls
What are the three domains into which organisms are classified
Answer:
The Archaea, the Bacteria, and the Eucarya.
Explanation:
The Archaea, Bacteria, and Eucarya are the three kingdoms of life. Archaea and Bacteria possess prokaryotic cell structures, but the category Eucarya (eukaryotes) includes cells with a nuclear that separates the genetic information from either the cytoplasm.
During what phase is the cell polyploid? Why is it polyploid at this point--what has happened to create this state and why is it important to the process?
in your own words, what is the definition for Anti-codon?
Answer:
Basically an Anti-Condon is a sequence of three nucleotides forming a unit of genetic code in a transfer RNA molecule, corresponding to a complementary codon in messenger RNA.
Explanation:
Codons are trinucleotide units that present in mRNA and codes for a particular amino acid in protein synthesis. Anticodon is trinucleotide units that present in tRNA. It is complementary to the codons in mRNA.
Hoped this helped :)
Parte de la variabilidad genética que aporta la meiosis se produce en la
Answer:
Se produce durante la profase 1 de la meiosis, y en ella se da un entrecruzamiento entre una de las dos cromátidas de los cromosomas homólogos, por lo que las cromátidas resultantes son diferentes entre sí y de las originales.
Explanation:
Betty's metabolism is unusually sluggish. There is MOST likely an abnormality with Betty's _____ gland.
Answer: Betty's metabolism is unusually sluggish. There is MOST likely an abnormality with Betty's thyroid gland.
What is the plural of drive-in? Use a dictionary if necessary.
O drives-in
O drive-ins
O both
Who are the units of Newtons named
after?
A. American scientist, Sir Isaac Newton
B. English scientist, Sir Isaac Newton
C. French scientist, Sir Isaac Newton
D. German scientist, Sir Isaac Newton
How do spores survive even after the plant has died?
Spores are protected in a protective covering preventing it from drying out.
O Spores have special chemicals that prevent it from dying.
Spores are buried under rocks.
O Spores can naturally live forever.
Answer:
spores have special chemicals that prevent ot from
n
Which statement best describes the step in muscle contraction when the sarcomere is the shortest?
A The sarcomere is contracted, and the actin and myosin filaments are partially overlapped.
B The sarcomere is relaxed, and the actin and myosin filaments are partially overlapped.
C The sarcomere is contracted, and the actin and myosin filaments are completely overlapped.
D The sarcomere is relaxed, and the actin and myosin filaments are completely overlapped.
Answer:
C The sarcomere is contracted, and the actin and myosin filaments are completely overlapped.
Explanation:
In rest, the tropomyosin inhibits the attraction strengths between myosin and actin filaments. Contraction initiates when an action potential depolarizes the inner portion of the muscle fiber. Calcium channels activate in the T tubules membrane, releasing calcium into the sarcolemma. At this point, tropomyosin is obstructing binding sites for myosin on the thin filament. When calcium binds to troponin C, troponin T alters the tropomyosin position by moving it and unblocking the binding sites. Myosin heads join the uncovered actin-binding points forming cross-bridges, and while doing so, ATP turns into ADP and inorganic phosphate, which is released. Myofilaments slide impulsed by chemical energy collected in myosin heads, producing a power stroke. The power stroke initiates when the myosin cross-bridge binds to actin. As they slide, ADP molecules are released. A new ATP links to myosin heads and breaks the bindings to the actin filament. Then ATP splits into ADP and phosphate, and the energy produced is accumulated in the myosin heads, which starts a new binding cycle to actin. Finally, Z-bands are pulled toward each other, shortening the sarcomere and the I-band, producing muscle fiber contraction.
In the sarcomere, which is the contractile unit of skeletal muscles, there are
Thick myosin myofilaments in the central region belonging to the A band. Thin filaments united to the Z lines, extending in the interior of the A band until they reach the border of the H band. Thin actin filaments composing the I band, which belong to two sarcomeres adjacent to a Z line.When the muscle contracts, the muscular fiber gets shorter and thicker due to the reduction in the length of the sarcomere. The H line and the I band get shorter. The Z lines get closer to the A band, meaning that they get closer to each other. A band keeps constant in length. This change is produced by movement mechanisms that involve a change in the relative position of actin and myosin filaments.
Answer:
C
Explanation:
edge 2021
During glycolysis, glucose is broken down into two molecules of pyruvate.
A diagram shows the conversion of a glucose molecule to 2 pyruvic acid molecules. In this process, 2 A T P form 2 A D P, 2 N A D produce 2 N A D H, and 4 A D P produce 4 A T P.
What is the main transformation that occurs during glycolysis?
Glycolysis produces ATP and pyruvate by oxidizing water.
Glycolysis produces ATP and pyruvate by oxidizing glucose and NAD+.
Glycolysis produces pyruvate, ATP, and NADH by oxidizing glucose.
Glycolysis produces CO2, ATP, and pyruvate by reducing glucose.
Answer:
Glycolysis produces pyruvate, ATP, and NADPH by oxidizing glucose. During cellular respiration, glucose combines with oxygen to form carbon dioxide, water, and ATP.
Explanation:
Answer:
C.
Explanation:
Propuso la teoría catastrofista, según la cual habían sucedido varios episodios de extinción, debidos a grandes cataclismos, seguidos siempre de nuevos periodos de creación
Answer:
Georges Cuvier.
Explanation:
Georges Cuvier (1769-1832) fue un zoólogo quien propuso que la evolución era el resultado de extinciones producidas por catástrofes a las cuales les sucedían nuevas creaciones con distintas especies. Los ecosistemas con las catástrofes eran destrozados y en los suelos de estos quedaban los restos de los animales extintos formando parte de los estratos de la tierra.
Which structure is represented by the letter C?
Choose 1 answer:
A
Chloroplast
B
Mitochondria
C
Vacuole
D
Nucleus
Answer:
A. Chloroplast
Explanation:
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Answer:
A chloroplast
Explanation:
Identify and describe how bacteria, hormones, and nerves influence the health and activities of the GI tract
Answer:
The GI health is supported by a varied and rich population of bacteria. The GI processes are controlled by the coordinated efforts of the hormonal system and the neurological system. Digestion and absorption together break up diets into bodily nutrients. A healthy GI system requires a balanced diet, sufficient relaxation, and frequent physical activity, to perform best.
Explanation:
Bacteria along the GI tract have a wide range of possible health benefits, including the production of vitamins, ion absorption (Ca, Mg, and Fe), pathogens protection, histologic development, improved immune systems, and fermentation of "no-digestible food" Bacteria have a number of potential functions.
During the digestion and absorption process hormones control the different digestive enzymes, which are secreted in the stomach and bowel. In reaction to the consumption of food, for example, the hormone gastrin induces stomach acid output. The somatostatin hormone prevents stomach acid secretion.
Samantha is being seen today because at approximately 10 a.m. today she experienced a sudden hearing loss in her right ear. Examination of the ear is negative for any foreign objects; however, she is not hearing out of that ear. She is being sent for an ENT consultation. Assessment: sudden idiopathic hearing loss. The code(s) for this care is/are ________ .a. H91.8x1b. H90.0, H91.21c. H91.91d. H91.21
Answer:
d. H91.21
Explanation:
H91.21 is the code hosted by the ICD-10-CM to report a sudden idiopathic hearing loss diagnosis, which is what happened to Samantha, as shown in the question above. The ICD-10-CM is a code standard used to harmonize communication among healthcare professionals in North America. It was created from the modification of the ICD-10, featuring minor codes and including new codes. These codes are used to present any type of medical procedure or diagnostic. The goal is to streamline communication between health professionals and create standardization between different regions within and outside the country.
How can a scientist determine if two species are obligate mutualists? The scientist should observe the species in the environment to determine the types of interactions that the two species have. Then, the scientist should transplant each species alone to a new area and simultaneously transplant both species together to see if the single-species transplants die. The scientist should observe the species in the environment, determine the types of interactions that the two species have, and then add an invading species to see if it outperforms one of the other species. The scientist should observe the species in the environment, determine the types of interactions that the two species have, and then transplant both species to a new location to observe if they do better or worse than the individuals in their old location. The scientist should observe the species in the environment, determine the types of interactions that the two species have, and then remove one of the species to see if the other species does not survive.
Answer:
The scientist should observe the species in the environment to determine the types of interactions that the two species have. Then, the scientist should transplant each species alone to a new area and simultaneously transplant both species together to see if the single-species transplants die
Explanation:
When two species are obligate mutualists, both species benefit one another in such a way that one cannot survive without the other. Hence, in order to find out if two species are indeed obligate mutualists, they should be transplanted together away from other species on one side, and also transplanted individually on another side.
If they are obligate mutualists, the individual transplant would find it difficult to survive and should die in no time while the transplant done together should survive. All other factors being kept constant.
2. Many microscopic organisms are clear, making them almost impossible to see under a microscope.
What can be done to a sample to make it easier to see?
Use iodine.
Iodine solution makes the sample you want to study of microscopic organism more visible.
Concerning the above image, what region of the eye contains rods/cones?
A) Sclera
B) Optic Nerve
C) Choroid
D) Retina
E) Other:
Answer:
Retina
Explanation:
The retina has rods and cones.
Rods help us see dim images and comes help us see bright and colored images.
This table shows the codons found in messenger RNA (attached). Using this information, what sequence of nucleotides in the template strand of DNA could code for the polypeptide sequence Val-His-Thr?
A. GUA-CAU-ACC (THIS IS WRONG)
B. GTA-CAT-ACC
C. CAT-GTA-TGG
D. CAU-GUA-UGG
Please explain, I'm very confused about this topic and I want to learn about it. No false answers or you will immediately be reported. Thanks in advance!
Answer:
A
Explanation:
The correct answer would be option A - GUA-CAU-ACC
Looking at the table of codons, for the amino acid Val, the first base (which is on the 1st column in the 6th row) is G while the second base (2nd column, 2nd row) is U. The third column can be any of U, C, A, or G (6th column, 4th row). Hence, GUA is plausible
For the amino acid His, the first base is C (1st column, 2nd row), the second is A (4th column, 4th row) while the last could be any of the 4 bases. Hence, CAU is plausible.
For the amino acid Thr, the first base is A (first column, 5th row), the second is C (3rd column, 2nd row) while the 3rth could be any of the 4 nucleotide bases. Hence, ACC is plausible.
Therefore, the correct sequence of nucleotides for Val-His_Thr would be GUA-CAU-ACC
