Answer:
Explanation:
Al igual que la mitosis, la meiosis es una forma de división celular eucariota. Sin embargo, estos dos procesos distribuyen el material genético entre las células hijas resultantes de formas muy diferentes. La mitosis crea dos células hijas idénticas, cada una de las cuales contiene el mismo número de cromosomas que su célula madre.
I need help with dis the one dat says a diagram
Answer:
I believe the answer is B
The kidneys help to regulate the salt balance of the body. Normally, more than 99% of the sodium filtered at the ____________ is returned to the blood. Most of this sodium is reabsorbed at the ____________ .
Normally, more than 99% of the sodium filtered at the glomerulus is returned to the blood. Most of this sodium is reabsorbed at the proximal tubule.
The glomerulus are enveloped networks of capillaries found in the nephron of the kidney.The glomerulus are responsible for filtering and purifying blood plasma (such as sodium, phosphorus and potassium).The efferent arteriole emerges from each glomerulus, from which arises a network of peritubular capillaries and descending vasa rectus.Efferent fibers stimulate renin release and proximal tubular sodium reabsorption, thereby affecting renal and systemic vascular resistance.Reabsorption of the initial charge of the main solutes takes place in the proximal tubule.The reabsorption of water throughout the nephron follows the reabsorption of solutes.67% of the filtered water is reabsorbed in the proximal tubule by osmosis, with the reabsorption of sodium coupled to other solutes at this level being the generator of the osmotic gradient.Therefore, we can conclude that the sodium filtered at the glomerulus is returned to the blood. Most of this sodium is reabsorbed at the proximal tubule.
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positive and negative punishment are meant to?
Answer:
yessssssssssssssssssssss
Reactions occur within the sun to transform _____ energy into _______ energy.
Answer:
Chemical and light and thermal energy.
Explanation:
Reactions occur within the sun to transform chemical energy into light and thermal energy.
In the Sun, chemical energy transforms into light and thermal energy. Plants transform the Sun's light energy into chemical energy during the process of photosynthesis.
Hope this helps :)
Answer:
chemical and thermal energy
Why does flask 3 results not disprove spontaneous generation?
Answer:
because one would think that the microorganisms suddenly and spontaneously grew out of nothing
Explanation:
Cuales son las partes del craneo de un perro
Answer:
General anatomy
Regions
Bones: skull, occipital bone, parietal bone, frontal bone, pre sphenoid bone, basosphenoid bone, temporal bone, etmoied bone, vomer, incisor bone, nasal bone, maxilla, zygomatic bone, palatine bone, lacrimal bone, ptergoid bone, mandible, hyoidus, spine
Skull sutures
Joints
Muscles
Fascias
Teeth
Numeration
Oral cavity
Pharynx
Esophagus
Paranasal sinuses
Larynx
Central Nervous System
Eye
Hearing
Arteries
Veins
Lymph nodes
Explanation:
Why is grafting considered asexual reproduction and not sexual
reproduction?
Answer:
The reason that grafting is not considered sexual is because there is no conjoining of male and female germ cells. (there is no germination like how sperm and egg cells do). So its considered asexual
Explanation:
Which bacteria are useful in converting milk into curd?
(A) Azotobacter
(B) E. Coli
(C) Lactobacilli
(D) Pseundomonas
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The correct Choice is ~ C
Lactobacillus bacteria are useful in converting milk into curd ~
Answer: (C) Lactobacilli
Brainliest pls if correct!which feature does a typical prokaryotic cell have that a eukaryotic cell doesn't
a. cytoplasm
b. DNA
c. cell membrane
d. cell wall
Prokaryotic cells don't have membrane bound nucleus, microtubules, lysosomes, and endoplasmic reticulum (ER). Prokaryotic are also always unicellular. Hope that helps.
Why is IV medication not very effective at treating infections at a burn site?
IV(intravenous) medication not very effective at treating infections at a burn
site because of the immunosuppression experienced as a result a systemic
inflammatory response
IV medication which contains antibiotics is given intravenously to burn
patients and it helps to prevent infections of of the body.
The IV medication won't perform at optimal level as a result of the immune
system being weak due to the systemic inflammatory response which is why
it isn't very effective.
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Complete the Punnett square
1) BbEE
2) BbEe
3) BbEe
4) bbEe
The Punnett square is a diagram used to predict the genotypes of a particular breeding / etc. For example, in the top left BE and BE becomes BBEE because you take both letters and put them together. Here, the Bs will go first and the Es. In the one to the right of that, Be and BE becomes BBEe as you put the Bs and Es in order, but you also have to make sure that lowercase bs go after uppercase bs, and etc.
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
14. How do your kidneys help maintain water-salt balance?
A. Both A and B
B. Controlling the frequency of urination.
C. Changing the concentration of your urine.
15. Which two systems are in charge of signaling within the body?
A. Nervous and endocrine
B. Integumentary and immune
C. Circulatory and respiratory
Answer:
14.A
15.c
Explanation:
Which of the following is used to provide energy in animal cells?
a) Glucose
b) Starch
c) Glycogen
d) All of the above
Argumento la importancia de la clasificación de los seres vivos
Which of these changes to the dna triplet 3’ TCA 5’ will affect the protein produced.
A: AGA
B: ATA
C: AGG
D: AGT
And write your reasoning
Answer:A
Explanation:
Answer: C. AGG
Explanation: The original DNA sequence is:
DNA: TGC GTG CTT AAG CGG TGT ACA CGT TGC
mRNA: ACG CAC GAA UUC GCC ACA UGU GCA ACG
Amino acid: Thr His Glu Phe Ala Thr Cys Ala Thr
Peter is 20 months old, weighs 28 lb, and he wants to eat the same food his older brothers do. No baby food for him; he is a big boy now! His mother is worried that this might not be an appropriate diet for a toddler and asked you, the nutrition student, to check it out. Be prepared for a challenge! It’s not easy to think about all the elements that make a healthful diet at the same time. You have to think about kilocalories, Acceptable Macronutrient Distribution Ranges (AMDR, which by the way are different for toddlers than for adults and adolescents), and watch iron (the most common dietary deficit in toddlers) and fiber intake. And that’s just the beginning. Adequate intake of fluids and electrolytes is also critical for a toddler’s health. Is your head spinning already? Let’s simplify the job by approaching each of the recommended Daily Values separately.
A balanced diet helps to prevent malnutrition in all of its manifestations as well as a number of noncommunicable diseases (NCDs) and illnesses throughout the life course.
What is Diet?However, there has been a change in dietary patterns as a result of increased production of processed foods, growing urbanization, and changing lifestyles.
Nowadays, individuals eat more meals that are heavy in calories, fats, free sugars, and sodium/sodium, and many people eat insufficient amounts of fruit, vegetables, and other dietary fiber-rich foods like whole grains.
Depending on individual characteristics (such as age, gender, lifestyle, and level of physical activity), cultural context, regionally accessible foods, and dietary habits, a diversified, balanced, and healthy diet will take on different compositions.
Therefore, A balanced diet helps to prevent malnutrition in all of its manifestations as well as a number of noncommunicable diseases (NCDs) and illnesses throughout the life course.
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11. All living things __________ waste. (REXETEC)
unscramble the word.
Answer:
All living things excrete waste, word unscrambled
Which of the following explains how rumen biotechnology improves feed for ruminant animals?
by identifying small amounts of bacteria from tiny samples of meat
by boosting the bioavailability of carbohydrates and protein in plants
O by helping animals grow larger more quickly and produce cleaner meat
O by screening animals for physical defects and certain diseases
Rumen biotechnology improves feed for ruminant animals by boosting the bioavailability of carbohydrates and protein in plants. It can be used to improve the nutritive value of ruminant feedstuffs.
Rumen biotechnology refers to the use and management of the techniques of forestomach fermentation in order to improve the efficiency of ruminant production.
Rumen biotechnology can be used to improve the amount as well as the availability of macronutrients (i.e., carbohydrates and proteins) in plants.
However, this technology (rumen biotechnology) exhibits several limitations mainly associated with the identification of bacterial strains used during inoculation, proteins (recombinant enzymes) and genomic stability of the genetic constructs.
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How can increases travel boosted the spread of certain species
Answer:
a
Explanation:
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what is a phosphorelated nucleoside?
Answer:
Nucleosides can be phosphorylated by a displacement reaction between phosphate and an electrophilic carbon of a nucleoside. To render a carbon electrophilic, the hydroxyl group must be converted into a leaving group of some kind (e.g., a halogen or sulfonate ester)
Explanation:
la respiration cellulaire aérobie, l'oxygène gazeux est combiné avec
des molécules alimentaires où
Answer:
La respiration cellulaire est l'ensemble des processus du métabolisme cellulaire convertissant l'énergie chimique contenue dans le glucose en adénosine triphosphate (ATP). Ces processus impliquent une succession de réactions chimiques formant des voies métaboliques qui appartiennent au catabolisme, c'est-à-dire qu'elles consistent à cliver les grosses molécules biologiques en molécules plus petites, ce qui libère de l'énergie ainsi qu'un certain nombre de déchets. Ces réactions sont globalement exothermiques, c'est-à-dire qu'elles produisent de la chaleur, la plupart étant des réactions d'oxydoréduction. De ce point de vue, la respiration s'apparente chimiquement à une combustion des nutriments, jouant le rôle de donneurs d'électrons (réducteur), en présence d'un accepteur d'électrons (oxydant).
La respiration est l'une des voies essentielles permettant aux cellules de produire de l'énergie métabolique pour leur développement et leur activité. Parmi les nutriments utilisés par les cellules des animaux et des plantes, on compte les glucides (ose), les peptides (acides aminés) et les lipides (acides gras), tandis que l'oxydant le plus fréquent dans les systèmes biologiques est l'oxygène moléculaire O2. L'énergie biochimique récupérée sous forme d'ATP peut ensuite être utilisée par des processus qui consomment de l'énergie tels que les biosynthèses, la locomotion ou encore le transport actif de substances chimiques à travers les membranes biologiques. La respiration aérobie requiert du dioxygène O2 pour produire de l'ATP. C'est la voie prépondérante de dégradation du pyruvate, issu de la glycolyse. Celle-ci se déroule dans le cytosol, mais le pyruvate doit pénétrer dans les mitochondries pour y être entièrement oxydé par le cycle de Krebs, lequel se déroule dans la matrice mitochondriale. Le cycle de Krebs convertit le pyruvate en dioxyde de carbone CO2 et en coenzymes réduites (NADH et FADH2), coenzymes dont les électrons à haut potentiel de transfert contiennent l'essentiel de l'énergie chimique des molécules dégradées. Ces coenzymes réduites sont alors oxydées par la chaîne respiratoire dans la membrane mitochondriale interne. L'énergie des électrons à haut potentiel de transfert permet de pomper des protons hors de la matrice mitochondriale vers l'espace intermembranaire. Il s'établit un gradient de concentration de protons à travers la membrane interne, lequel génère un gradient électrochimique suffisant pour actionner l'ATP synthase, une enzyme capable de phosphoryler l'ADP en ATP grâce à l'énergie emmagasinée dans ce gradient électrochimique. On appelle phosphorylation oxydative l'ensemble formé par la chaîne respiratoire et l'ATP synthase couplés par gradient électrochimique.
Les manuels de biologie indiquent généralement que chaque molécule de glucose entièrement oxydée par la respiration cellulaire est susceptible de produire 38 molécules d'ATP : 2 ATP issus de la glycolyse, 2 ATP issus du cycle de Krebs, et 34 ATP issus de la chaîne respiratoire. Ce rendement nominal n'est cependant jamais atteint en raison des pertes par dissipation du gradient électrochimique à travers la membrane interne des mitochondries ainsi qu'en raison du coût énergétique du transport actif du pyruvate depuis le cytosol jusqu'à la matrice mitochondriale, de sorte que les estimations actuelles s'établissent autour de 30 à 32 molécules d'ATP formées par molécules de glucose oxydée1.
La respiration aérobie est jusqu'à 15 fois plus efficace que la respiration anaérobie, qui produit seulement 2 ATP par molécule de glucose oxydée. Cependant, certains organismes anaérobie, comme les archées méthanogène, sont capables d'accroître ce rendement en utilisant d'autres accepteurs d'électrons finaux que l'oxygène.
Glycolyse
La glycolyse est une voie métabolique qui se déroule dans le cytosol des cellules de pratiquement tous les êtres vivants. Elle peut fonctionner de manière aérobie ou anaérobie, c'est-à-dire respectivement en présence ou en l'absence d'oxygène. Chez l'homme, elle conduit au pyruvate en conditions aérobies et au lactate en conditions anaérobies.
En conditions aérobies, ce processus convertit une molécule de glucose en deux molécules de pyruvate, avec production concomitante de deux molécules d'ATP. Plus précisément, il commence par consommer deux molécules d'ATP pour accroître la réactivité du glucose en vue de son clivage par l'aldolase puis en produit quatre par phosphorylation au niveau du substrat, avec production de deux molécules de NADH. La réaction globale de la glycolyse peut s'écrire :
glucose + 2 NAD+ + 2 Pi + 2 ADP → 2 pyruvate + 2 NADH + 2 ATP + 2 H+ + 2 H2O + chaleur.
Explanation:más inteligente por favor
PLEASE HELP!!!!!! How many carbon dioxide (CO2) molecules are needed so there are enough Carbon atoms to make a glucose molecule?
Answer:
ok I know this is late and you probably don't need me anymore but the answer is 6
Explanation:
( love the pfp)
What is the relationship between photosynthesis and cellular respiration?
Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose.
Explanation:
Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
The change that occurred in peppered moths is an example of
a. overproduction
b. natural selection
c. migration
d. isolation
Studying DNA to find evolutionary similarities among organisms is a
type of _____ evidence.
Answer:
Biogeography
I think that will help u
PLS HELP ME jejej dkejjfjdkqkwlel ekeko man
Answer:
hypotonic
Explanation:
i need a bit more information about what you are learning. But by what i know (im in college for biology) this appears to by hypotonic because there is more water in the cell than in the solution.
Which selection from the article "Scientists study Persian Gulf reefs for coral survival clues" identifies the biggest threat to coral reefs?
Question 5 options:
Warming waters spark bleaching events. Along with the bleaching, the ocean is becoming more acidic.
The researchers demonstrated that this new organism was the most commonly found algae throughout the gulf's coral reefs. They say it probably adapted as a result of the gulf's harsh conditions.
Warm and acidic water leads to bleaching of coral reef and the new algae can survive due to mutation in its gene.
The biggest threat to coral reefs in the Persian gulf is the warming of waters due to climatic change as well as acidification of water. Algae present on coral reefs can't tolerate acidic water as well as warm water which leads to the death of algae and the coral looks white or colorless.
A new organism was the most commonly found algae throughout the gulf's coral reefs due to change in the genetic makeup due to harsh climatic conditions so we can conclude that warm and acidic water leads to bleaching of coral reef and the new algae can survive due to mutation in its gene.
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Indicater I need the meaning
Answer:
indicator can mean two different things,
1. a thing, especially a trend or fact, that indicates the state or level of something.
2. a gauge or meter of a specified kind.
Hope this heled!
What is the purpose of the trendelenburg position in labor/ pregnancy?
Answer:
Due to the angle, the Trendelenburg position allows for the patient's abdominal organ to move towards the head by the use of gravity, improving surgical access to the pelvic organs.
Explanation:
This model chose to include certain features and exclude other features. For example, this simulation only includes rabbits, wolves, and grass but there are other predators of rabbits and other food sources for rabbits. Why do you think the creators focused on these data elements and not others
The creator focused on these data elements and not others because he was trying to create a food chain instead of a food web.
In the ecosystem, the living and non-living things interact over time leading to exchange of energy.
A food chain can be defined as the steps through which energy transfer occurs in an ecosystem.
The energy flows from the producers (grass), primary consumers, (rabbits) and then the secondary consumers (wolves).
The energy flow is indicated with an arrow thus,
grass ---> rabbit -----> wolves.
Food chain, therefore includes linear sequence of organisms.
Food web on the other hand illustrates a complex feeding relationship within the ecosystem.
The food web is made up of a prey that can be eaten by more than one predator.
Therefore, even though there where other predators of rabbits and other food sources for rabbits, he chose only few features to create a food chain.
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Scientists primarily use two different techniques to create multiple copies of a DNA sequence: cloning and polymerase chain reaction (PCR). Which of the following statements about these methods is true?
Cloning is more rapid than PCR at creating billions of copies of a DNA sequence.
PCR can be used to translate DNA into a protein, while cloning cannot.
PCR generates more copies of a DNA sequence in less time than cloning.
PCR is better at creating copies of large DNA samples than cloning.
Answer:
The answer to your question would be Option 3.
PCR generates more copies of a DNA sequence in less time than cloning.
Explanation:
PCR creates copies exponentially, creating many copies in a short amount of time.
Answer:
PCR generates more copies of a DNA sequence in less time than cloning.
Explanation:
I took the test.