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Answer 1

Answer: Adenine hope this helps...


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Contrast the usefulness of absolute and relative dating techniques.

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Answer:

In relative dating, fossils are dated according to the depth at which they were buried While in the absolute dating, isotopes of carbon are used for dating fossils. The absolute dating is more precise than relative dating because it tells the exact age of the fossils.

1. Sensation is to as perception is to a. vision, olfaction b. conscious, unconscious c. awareness, interpretation d. taste, vision.​

Answers

Answer:

opt (c)

Explanation:

When thinking about all 4 types of macromolecules discussed, which of the following statements are true? Select all that apply.


Monomers are linked together by hydrolysis.


Monomers are joined together to form functional polymers


Monomers are linked together by dehydration synthesis.


Monomers join together via hydrogen bonds.

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2 and 3

1 is describing the process to separate monomers
2 multiple monomers create polymers
3 removal of water to join monomers
4 they are joined by covalent bonds

What variable should Anurag change in his experiment

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Answer:

For geological carbon sequestration, the reaction of aqueous CO2 with silicate rock permits carbonate formation, achieving permanent carbon sequestration.A

Explanation:

In butterflies, having red antennas (denoted by “R”) is dominant to having white antennas (denoted by “r”). If both parents are heterozygous for red antennas, what are the predicted Phenotypic outcomes of their offspring? (hint: a punnett square will help you determine this).

In butterflies, having red antennas (denoted by “R”) is dominant to having white antennas (denoted by “r”). If both parents are heterozygous for red antennas, what are the predicted Genotypic outcomes of their offspring? (hint: a punnett square will help you determine this).

All the offspring of a cross between a black-eyed mendelien and an orange-eyed mendelien have black eyes. What is the expected F2 phenotypic ratio of a cross between two F1 black-eyed mendeliens?
A) 1 black-eyed:1 orange-eyed
B) 3 black-eyed:1 orange-eyed
C) 1 black-eyed:3 orange-eyed
D) 1 black-eyed:0 orange-eyed

Answers

The phenotypic ratio of the cross is as follows: 3 red antennas: 1 white antenna

For question 2, the phenotypic ratio of the F2 generation is: 3 black-eyed: 1 orange-eyed

QUESTION 1

According to the first question, a gene coding for antenna color in butterflies is involved. Red antennas (“R”) is dominant to white antennas (“r”). Hence, a butterfly with genotype "Rr" will be phenotypically red.

According to this question, If both parents are heterozygous for red antennas i.e. Rr (red antenna) × Rr (red antenna), the following gametes will be produced: R and r. Using these gametes in a punnet square (see attached image), the following phenotypic ratio of offspring is produced:

3 RED ANTENNAS (RR, Rr, Rr) : 1 WHITE ANTENNA (rr)

2. In the second question, all the offspring of a cross between a black-eyed mendelien (BB) and an orange-eyed mendelien (bb) have black eyes (Bb). In a cross between two F1 black-eyed mendeliens i.e. Bb × Bb, the following proportion of offspring is produced:

BB, Bb, Bb, bb

Hence, a phenotypic ratio of 3 black-eyed: 1 orange-eyed

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what is uropoiesis?

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Answer:

The production and excrection of urine

Answer:

The production and excretion or urine.

When neuroscientists employ the term "nucleus", they are usually referring to:_____.
​a. a cluster of glial cells in the dorsal-medial CNS.
​b. a neural unit composed of anatomically and functionally related neurons.
​c. a group of homologous ganglia located either in the cortex or in the cerebellum.
​d. cognitively synchronized clusters of apical dendrites anywhere in the PNS.

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Answer:

B. A neural unit composed of anatomically and functionally related neurons.

Human being get energy from

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Are you asking how humans get energy?
Any food they consume or sleep. Hope this helps

You are studying an enzyme that is inactivated by phosphorylation and create a mutant in which the threonine that is normally phosphorylated is replaced with glutamate. Predict the impact of this change on the activity of this enzyme. Group of answer choices

Answers

Answer:

always active  

Explanation:

Phosphorylation is a posttranslational modification that consists of the addition of phosphate groups to specific amino acids on the protein. Phosphorylation acts as a molecular switch for proteins that are phosphorylated (i.e., in some situations phosphorylation acts to activate protein function, whereas in other situations phosphorylation can inactivate protein function). Phosphorylation modifies the three-dimensional structure of the protein, thereby affecting, for example, the accessibility of the active site of a phosphorylated enzyme to its substrate. Phosphorylation can occur only at the side chains of three amino acids: Serine, Threonine and Tyrosine. In this case, the enzyme is inactivated by phosphorylation on the Threonine residue, so it is expected that the mutant enzyme cannot be phosphorylated, remaining in an active state.

According to cell theory, all new cells...
A. must share DNA with existing cells.
B. must eat.
C. come from other cells.

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Answer:

с

Explanation:

all new cells come from other cells

What does a botanist study

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Answer:

Botany is the scientific study of plants—how plants function, what they look like, how they are related to each other, where they grow, how people make use of plants, and how plants evolved.

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The large number of alveoli in lungs improve gas exchange by ________. increasing the surface area for diffusion decreasing the distance for diffusion changing the diffusion constant increasing the concentration difference

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Answer:

Explanation:

The large number of alveoli in lungs improve gas exchange by . increasing the surface area for diffusion

Please help me with these questions
I will mark the Brillianest​

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Answer:

[tex] \pink{\qquad \boxed{\boxed{\begin{array}{cc} \maltese \: \: \: \bf \: see \: the \: picture \: \: \end{array}}}}[/tex]

Which of the following does NOT relate to water?
A. Dehydration damages cells.
B. 70% of the human body.
C. Controls negative feedback mechanisms.
D. Contains and moves ions in and out of cells.

Answers

The answer should be D. Contains and moves ions in and out of cells

The following that does not relate to water is it contains and moves ions in and out of cells. The correct option is D.

What is water?

Water is a chemical compound made up of hydrogen and oxygen. It is a necessary part of life. As our body is made up of 90% of water, and without water, organisms would not survive.

The transport of ions and molecules in and out of the cell is done by the cytoplasm filling in the cell.

Thus, the correct option is D. Contains and moves ions in and out of cells.

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Which is our body part help us to maintain balance.

Answers

Answer:

cerebellum

Explanation:

The cerebellum is a small part of the brain positioned at the back of the head, where it meets the spine, which acts as the body's movement and balance control centre.

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Tai không chỉ có vai trò để lắng nghe mà còn hỗ trợ trong việc giữ cân bằng

For each of the following structures, first indicate its function in the fetus; then, note its fate (what happens to it or what it is converted to after birth).

a. Umbilical artery
b. Umbilical vein
c. Ductus venosus
d. Ductus arterious
e. Foramen ovale

Answers

Answer:

1. Functions:

a. Umbilical artery >> carries deoxygenated blood from the fetus to the placenta

b. Umbilical vein >> transports oxygenated blood from the placenta to the fetus

c. Ductus venosus >> allows oxygenated blood from the placenta to bypass the liver

d. Ductus arterious >> allows most of the blood from the right ventricle to bypass the fetus's non-functioning lungs

e. Foramen ovale >> oxygenated blood from the umbilical vein to bypass the pulmonary circulation

2. After the bird:

1. Umbilical artery >> medial umbilical ligament

2. Umbilical vein >> round ligament of the liver

3. Ductus venosus  >> ligamentum venosum

4. Ductus arteriosus >> ligamentum arteriosum

5. Foramen ovale >> fossa ovalis

Explanation:

The umbilical artery is a paired artery localized in the abdominal and pelvic regions, which carries deoxygenated blood from the fetus to the placenta through the umbilical cord. The medial umbilical ligament is the obliterated part of the umbilical artery that arises from the internal iliac arteries. In utero, the umbilical arteries carry waste products back to the placenta, whereas the umbilical vein carries oxygenated blood from the placenta to the fetus. The round ligament of the liver (also known as ligamentum teres hepatis) is a remnant of the umbilical vein that  exists in the embryonic stage, it connects the left lobe of the liver to the umbilicus. The ductus venosus is a slender shunt that allows oxygenated blood from the placenta to bypass the liver, it connects the intra-hepatic portion of the umbilical vein to the inferior vena cava. The ligamentum venosum is an extrahepatic, slender, and fibrous remnant of the fetal ductus venosus that travels between the left portal vein and the inferior vena cava. The ductus arteriosus is a fetal artery that connects the aorta to the pulmonary artery. The ligamentum arteriosum is a nonfunctional vestige of the ductus arteriosus, it is attached to the superior surface of the pulmonary trunk. The foramen ovale is an oval-shaped, small, opening in the wall (septum) between the two upper chambers of the heart. The fossa ovalis is a vestige stricture of the foramen ovale of the embryonic heart, which forms a depression in the right atrium of the heart.

Which statement is not true about the field of science?
it is based on observations and explanations of the natural world.

Answers

You are right with your answer please

Actual Question:
Which statement about the purpose of the field of science is false? (1 point)

Science is used to investigate the natural world.

Events of the natural world can be explained by science.

Science works to establish a collection of unchanging truths.

Useful predictions come from derived explanations of science.
Answer:

Science works to establish a collection of unchanging truths.

Explanation:

I took the test

The second generation of purebred cross of -hom-ozygo us recessive organism, with a —hom-ozygous dominant organism, contain a ratio of approximately _______ expressed dominant traits to recessive traits.
A. 2:1
B. 1:1
C. 1:3
D. 3:1

Answers

Answer:

D. 3:1

Explanation:

Gregor Mendel, in one of his numerous studies, performed a cross between purebred dominant (TT) pea plants and purebred recessive (tt) pea plants. All the offsprings of this cross appeared heterozygous tall (Tt) in the F1 generation.

However, when he self-crossed the F1 generation i.e. Tt × Tt, Mendel obtained a phenotypic ratio of 3 tall plants (dominant traits) : 1 short plant (recessive). This showed that the masked gene (recessive) was still present.

Scenario 1:

Genetic engineering can be used to create more productive strains of farm animals used for milk and meat production. By adding genes to an animal’s DNA, the animal can be made to be more resistant to common infections. This can reduce the need to administer large doses of antibiotics to the animals.

Do you think that this type of genetic engineering should be pursued? Explain your answer. (5 points)

What are some possible impacts (positive and negative) of this type of genetic engineering on individuals, society, and the environment? (5 points)


Scenario 2:

Mike was adopted, and his biological family history is unknown. Although he is healthy, he would like some understanding of his genetic makeup, including potential health risks and genes that he could pass on to his children. Mike has heard about commercial laboratories that can compare segments of your DNA to those of people with common hereditary diseases in order to give you some idea of how susceptible you are to the diseases. The results of these types of tests are highly inconclusive. If Mike’s DNA showed that he shares similarities in a segment of DNA with people who have a given disease, his chances of developing that disease or passing it on to his children may be slightly elevated, but they are not 100 percent. These tests can cost more than $2,500 and are not covered by many insurance companies.

Do you think that Mike should undergo the genetic tests? Explain your answer. (2 points)

What are potential pros and cons of having such tests done? (5 points)

Describe how the availability of these genetic tests might affect the frequency of genetic diseases in individuals and populations. (3 points)

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Due to brainly not accepting my essay, I have instead included a image of it. :D

what gender of offspring are most often affected by sextinked inheritance?-What gender-are-usmally-carriers-of the trait?

-males, males
-males, females
-females, females
-females, males O O

Answers

Answer:

female, female

Explanation:

this is because sex-linked characters are normally borne in the X-chromosome

HELP ASAP PLEASE HELP FAST

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I DONT HAVE THE ANSWER BUT GOOD LUCK

What is a major role that fungi play in ecosystems

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Answer:

Fungi play a crucial role in the balance of ecosystems. They colonize most habitats on earth, preferring dark, moist conditions. They can thrive in seemingly-hostile environments, such as the tundra. However, most members of the Kingdom Fungi grow on the forest floor where the dark and damp environment is rich in decaying debris from plants and animals. In these environments, fungi play a major role as decomposers and recyclers, making it possible for members of the other kingdoms to be supplied with nutrients and to live.

Explanation:

Answer from Gauth math

A ______, such as a bean, has two seed leaves.

Answers

Answer:

A dicotyledonous plant

hope this helps you

What is a community?
1 all the animals that live in a habitat
2 a single species that lives in a habitat
3 all the species that live in a habitat
4 a population that lives in a single habitat

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Answer:

3. All the species that live in a habitat.

A community is where all the species live in a habitat. Hence the correct option is 1.

A community is an ecological term that encompasses all the different species of organisms that coexist and interact within a specific habitat or geographic area. It includes plants, animals, fungi, and microorganisms that share the same environment and form intricate ecological relationships with each other.

These relationships can be competitive, predatory, symbiotic, or other forms of interactions that influence the dynamics and structure of the community. Understanding the composition and interactions within a community is vital in studying the biodiversity, ecosystem functioning, and overall health of a given habitat.

Hence the correct option is 1.

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When an outbreak of foot and mouth disease is discovered among livestock in a country, what is MOST likely the chosen way to control it?

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Answer:

You can get infected with hand, foot, and mouth disease if you have the virus on your hands and then touch your eyes, nose, or mouth. To lessen your chance of getting sick, don't touch your eyes, nose, and mouth with unwashed hands.

You can get infected with hand, foot, and mouth disease if you have the virus on your hands and then touch your eyes, nose, or mouth. To lessen your chance of getting sick, don't touch your eyes, nose, and mouth with unwashed hands.

What are the mechanism that use to resist the antimicrobial agents?

There has been several mechanisms, like resistance to antimicrobial agents, encapsulation or secretation of proteins that affects and might destroy the phagocyte along with some leukocytes in our body perform phagocytosis as a defense mechanism against the pathogenic bacterium.

These phagocytes contain lysosomes, intracellular granules that possess bactericidal substances. When the phagocyte ingests the pathogen, a phagosome is formed, which merges with the lysosome, forming the phagolysosome, which is where toxic substances and enzymes kill the ingested microorganism.

There are several mechanisms by which a microorganism can survive this process as resistance to antimicrobial agents. Some bacteria use phenolic glycolipids from their cell wall, to eliminate toxic oxygen compounds.

Therefore, You can get infected with hand, foot, and mouth disease if you have the virus on your hands and then touch your eyes, nose, or mouth.

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What are the types of honey bee?​

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Answer:

kdjjdndkskkdjckfkfjsjjsjsmslaldjnxjcjc

Why can viruses not fit in any domain? How are they different from all other forms of Life? What would need to occur for viruses to be classified as "alive"?

Answers

Answer:

virus are obligate parasites. Viruses do not, however, carry out metabolic processes. Most notably, viruses differ from living organisms in that they cannot generate ATP.

Porque crees que las personas llegan a consumir sustancias psicoactivas

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Answer:

La causa exacta del consumo de drogas se desconoce. Los genes de una persona, la acción de las drogas, la presión de compañeros, el sufrimiento emocional, la ansiedad, la depresión y el estrés ambiental pueden ser todos factores intervinientes.

Explanation:

Determine the correct energy transformations during the generation of electricity from fossil fuels.
A. Heat to Chemical to Electrical to Kinetic
B. Heat to Kinetic to Electrical to Chemical
C. Kinetic to Chemical to Heat to Electrical
D. Chemical to Heat to Kinetic to Electrical

Answers

Answer:

D. Chemical to heat to kinetic to electrical

The correct energy transformations during the generation of electricity from fossil fuels are D) Chemical to Heat to Kinetic to Electrical

What converts chemical energy to kinetic energy to electrical energy?

Batteries used in torches, computers, toys, and camera cells, are actually made up of chemical cells which convert the chemical energy from the batteries to the electrical energy required for the devices to work well.

What are the main energy types?

Examples of these are light energy, heat energy, mechanical energy, gravitational energy, electrical energy, sound energy, chemical energy, nuclear or atomic energy, and so on. Each form can be converted or changed into the other forms.

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The meaning of ALARA in radiation?

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Answer:

The guiding principle of radiation safety is “ALARA”. ALARA stands for “as low as reasonably achievable”.

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The following ordered pairs represent a function: {(-3, 1), (1, -2), (3, 0), (4, 5)}.True or False Type the equation for the graphbelow. How do the inland areas of the Willapa Hills differ from the coastal areas?The inland areas are heavily forested.The inland areas receive very little rain.The inland areas contain open plains.The inland areas have large wetland habitats. what fraction of 1 day is 48 minutes Help me fill in these blanks with the correct words/wordage?Instructions: From the choices in parentheses, choose the correct one (present indicative, preterit, or present subjunctive) based on the information in the primary clause and the conjunction used. Remember that ESCAPA conjunctions always use the subjunctive (provided there is a "que") and the other conjunctions require you to determine if the action in the primary clause has not yet happened, generally happens, or already happened.1. Iremos a la selva con tal de que ___________ buen tiempo (hace / hizo / haga).2. Mi familia siempre lo pasa bien cuando nosotros ______________ (vamos / fuimos / vayamos) de vacaciones.3. Los pjaros empezaron a volar en cuanto nosotros ___________________ (hacemos / hicimos / hagamos) ruido.4. Pienso hacer un viaje a Nicaragua tan pronto como __________________ (me grado / me gradu / me grade)5. Es importante reciclar para que ________________ (tenemos / tuvimos / tengamos) un medioambiente limpio para nuestros hijos.6. Los cazadores (hunters) mataron a los cerdos hasta que no ______________ (queda / qued / quede) ni uno vivo.7. A menos que __________________ (conservamos / conservemos) los recursos naturales, habr problemas de contaminacin.8. Las familias empezaron a gastar menos electricidad despus de que _________________ (salen / salieron / salgan) los avisos en la televisin sobre la importancia de la conservacin.9. Es urgente que cortemos los rboles muertos en California antes de que _____________ (hay / hubo / haya) ms incendios.10. El gobierno dice que la Tierra no puede sobrevivir sin que ___________________ (imponemos / impusimos / impongamos) restricciones sobre el uso de gasolina. Un muelle se alarga 20 cm cuando ejercemos sobre l una fuerza de 24 N. Calcula:El valor de la constante elstica del muelle The Volume of a sphare is 28/3 times the surface area calculate The surface area and the Volume of the sphere, correct to the nearest whole number. The distance from Clinton to Greenville is 124 miles. To find the speed of a car, use the expression d divided t, where d represents the distance and t represents time. Find the speed of a car that travels from Clinton to Greenville in 2 hours Please find this answer!! :) a man's income is rupees 12000 per month if the.If the rate of income tax ia rs2.50 per rs100,how much tax should he pay? Write an inequality, in slope-intercept form, for the graph below. If necessary,use * Dion is reading a myth. He wants to learn about the cultural context of the myth-tellers. To do so, he will write a question about each of the four aspects of cultural context. He has written the following question: 313.9 liters of a gas has a pressure of 390.89 kPa at 76.6C. If the pressure increases to 718.3 kPa and the temperature to 154.2C, what would be the new volume of the gas?A.) 210B.) 353C.) 470D.) 209.92 1. Write an expression in simplest form for the area of the figure below:(answer pls) How many natural numbers are between 97 through 256? Need someone to check this for me Use FORMAL USTED COMMANDS to give directions from where you live to the place you indicated in #2. Add specific information, like street names and landmarks, so that the person could get there without getting lost. Include formal commands for at least three different verbs. ANSWER: Siga por Phoenix Road hasta llegar a una interseccin. Doble a la derecha. Bajars una colina. siga recto hasta llegar a la carretera de Meyer. Gire a la izquierda. Parar en la seal de parada. Espere a los peatones. Ahora gire a la izquierda hacia el estacionamiento. Llegaste!Question number 5: Write 4 sentences about yesterday. Start out by telling what the weather was like, and then write 3 more sentences describing your activities at different times of the day.ANSWER: Ayer el tiempo estuvo clido todo el da. A las ocho de la maana corr y com en un caf. A las doce de la tarde trabajaba. A las seis de la noche cen con mi familia. A heron can travel an average of 400 km in 10h. What is the rate of change of distance? prove it using mathematical induction Plz answer this. I miss typed it as advanced placement. What is the sum of the angles 'a' and 'b' from the diagram below.