Answer:
East To West
Explanation:
La influencia que tiene la temperatura en la reproducción de los paramecios, en muestras de agua estancada
Answer:
Para un paramecio la temperatura óptima requerida para llevar a cabo sus funciones metabólicas (incluida la reproducción) se encuentra entre 24 °C y 28 °C
Explanation:
Los paramecios (género Paramecium) son protozoarios, es decir, organismos microscópicos del reino protista. Un paramecio es un organismo unicelular que puede llevar a cabo todas las funciones esenciales de un modo funcionalmente similar a una célula animal. Los paramecios pueden reproducirse tanto de manera sexual como asexual (bipartición). Estos organismos viven en cuerpos de agua dulce rica en nutrientes orgánicos como estanques, charcos, regiones de ríos parcialmente estancadas, etc. En estos ambientes los paramecios se reproducen de un modo óptimo a una temperatura entre 24 °C y 28 °C, donde pueden llegar a dividirse hasta 4 veces al día.
Which of the following statements about insulin is true?
A. Insulin acts as a transport protein, carrying glucose across the cell membrane.
B. Insulin facilitates the movement of intracellular glucose transporters to the cell membrane.
C. Insulin stimulates the breakdown of stored glycogen into glucose.
D. Insulin stimulates the kidneys to reabsorb glucose into the bloodstream.
E. Two of the above are true statements.
The correct option is B. Insulin facilitates the movement of intracellular glucose transporters to the cell membrane.
The cell membrane, also known as the plasma membrane, is a vital component of all living cells. It is a thin, semi-permeable barrier that surrounds the cell, separating the internal cellular environment from the external surroundings. Composed primarily of lipids, proteins, and carbohydrates, the cell membrane acts as a protective layer, regulating the flow of substances in and out of the cell.
The lipid bilayer is the fundamental structure of the cell membrane, with hydrophilic heads facing outward and hydrophobic tails facing inward, creating a stable barrier. Embedded within this lipid bilayer are various proteins that serve numerous functions, including transport of molecules, cell signaling, and cell recognition.
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Which of the following accurately contrasts genotype and phenotype?
1. A genotype is traits that are passed on genetically, while a phenotype is traits that are developed environmentally.
2. A genotype is genetic traits that are inherited from the father, while a phenotype is traits passed from the mother.
3. A genotype is genetic traits that cannot be observed, while a phenotype refers to observable traits.
4. A genotype is traits that are not predictable, while a phenotype refers to traits that can be predicted.
Answer:
3.
Explanation:
genotypes are traits embedded in the genes that cannot be observed whilst, a phenotypes are traits that are physically displayed by the body and therefore, can be observed.
example,
genetic factor - brown colored eyes.
connotation for the gene - B
Genotype - BB.
phenotype - brown colored iris.
hope it helps. :)
The law of conservation of energy states that energy cannon be created or destroyed.
O True
O False
Answer:
false
Explanation:
The first law of thermodynamics, also known as Law of Conservation of Energy, states that energy can neither be created nor destroyed; energy can only be transferred or changed from one form to another. For example, turning on a light would seem to produce energy; however, it is electrical energy that is converted.
Hope this helps get an A for me kay!!!
which ocean zone has the most abundant primary producers and why
Answer:
the epipelagic zone ,due to its high light availability and warm water temperatures.
A geneticist crossed fruit flies to determine the phenotypic ratio. The geneticist crossed a fly with blistery wings and spineless bristles (bbss) with a heterozygous fly that had normal wings and normal bristles (BbSs). Which proportion of offspring that are dominant for both traits in would you NOT expect based on Mendel's law of independent assortment
Complete question:
A geneticist crossed fruit flies to determine the phenotypic ratio. The geneticist crossed a fly with blistery wings and spineless bristles (bbss) with a heterozygous fly that had normal wings and normal bristles (BbSs). Which proportion of offspring that are dominant for both traits in would you not expect based on Mendel's law of independent assortment? 1/2 , 4/16, 25% , or 1/4
Answer:
1/2 is the proportion of the offspring that is NOT expected among individuals that are dominant for both traits.
4/16 = 1/4 = 25% of the progeny and the correct expected proportion of individuals that are dominant for both traits.
Explanation:
Available data:
Cross: a fly with blistery wings and spineless bristles with a heterozygous fly that had normal wings and normal bristles Recessive trait: blistery wings and spineless bristlesDominant trait: normal wings and normal bristlesLet us say that:
B is the dominant allele for normal wingsb is the recessive allele for blistery wingsS is the dominant allele for normal bristless is the recessive allele for spineless bristlesParentals) bbss x BbSs
Gametes) bs, bs, bs, bs BS, Bs, bS, bs
Punnett square) BS Bs bS bs
bs BbSs Bbss bbSs bbss
bs BbSs Bbss bbSs bbss
bs BbSs Bbss bbSs bbss
bs BbSs Bbss bbSs bbss
F1) 4/16 = 1/4 = 25% of the progeny is expected to be BbSs, dyhibrid individuals, expressing normal wings and normal bristles
4/16 = 1/4 = 25% of the progeny is expected to be Bbss, expressing normal wings and spineless bristles
4/16 = 1/4 = 25% of the progeny is expected to be bbSs, expressing blistery wings and normal bristles
4/16 = 1/4 = 25% of the progeny is expected to be bbss, expressing blistery wings and spineless bristles
A _______ is a substance containing incomplete portions of a virus that produce an immune response when injected into the bo
A vaccine is a substance containing incomplete portions of a virus that produce an immune response when injected into the body."
A vaccine is a type of biological preparation that improves immunity to a specific disease. It typically consists of an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.
There are different types of vaccines such as inactivated vaccines, live attenuated vaccines, subunit vaccines, conjugate vaccines, and DNA vaccines. They all work by stimulating the immune system to recognise and attack specific viruses or bacteria.
The "substance containing incomplete portions of a virus" mentioned in the question refers to the antigenic components of a vaccine. These antigens are usually derived from the surface proteins of a virus and are used to trigger an immune response when injected into the body. Once the immune system recognises the vaccine antigen as foreign, it generates an immune response that involves the production of antibodies and the activation of immune cells. This immune response results in the development of immunological memory that helps the body to quickly recognise and respond to the actual virus if it is encountered in the future.
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Starfish are echinoderms, a term that means spiny skin. The rough covering serves as a natural barrier and protects the starfish from predators and the environment. What system includes skin?
Is DNA replication always a foolproof process? Explain your answer.
Answer: No. Although many proteins check the DNA for damage or errors, damaged regions can still be replicated. This may result in gene alterations and serious complications for the organism.
Explanation:
No, replication is not always a foolproof process although many proteins look for DNA damage or mistakes, damaged areas can still replicate. This can lead to gene rearrangements and serious problems in the body.
Some mutations are caused by mistakes in DNA replication. DNA replication isn’t always 100% complete. Sometimes, an incorrect base is inserted into the new DNA strand. This incorrect base can become permanent.
Breaks in DNA are caused by DNA replication errors, particularly those in regions that are difficult to replicate, known as fragile sites.
Breaks in DNA can cause cancer, mainly because they increase the risk of chromosome fragments rearranging themselves and activating genes that cause uncontrolled cell division.
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The picture below shows a prominence in the sun's atmosphere. Which of these events is most likely to occur as a result of the prominence? (3 points)
the corona would become visible
the auroras would become visible
the sun's photosphere would be blocked
the sun's magnetic effect would decrease
Answer:
B) The auroras would become visible.
Explanation:
Got it right on the test. Hope this helps!
Answer:
B) The auroras would become visible.
Explanation:
did the test
The nucleotide sequence of a strand of DNA TAC -CGG-AGTWhat the amino acid sequence of the resulting protein ?
The amino acid sequence would be "Met-Ala-Ser."
What is a nucleotide sequence?A nucleotide sequence is a linear arrangement of nucleotides, the building blocks of nucleic acids such as DNA and RNA. Nucleotides are composed of a nitrogenous base, a sugar molecule, and a phosphate group. There are four different nitrogenous bases in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T). In RNA, thymine is replaced by uracil (U).
The specific order of these nitrogenous bases in a DNA or RNA molecule encodes genetic information, which is used by cells to carry out various functions such as protein synthesis. The nucleotide sequence determines the structure and function of a nucleic acid molecule and plays a crucial role in the processes of heredity and evolution. The study of nucleotide sequences and their function is a central part of the field of molecular biology and genomics.
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How
many ATP are created by fermentation?
Answer:
2 ATP
Explanation:
Fermentation begins with glycolysis which breaks down glucose into two pyruvate molecules and produces 2 ATP
Answer:
2 ATP
Explanation:
I agree
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What is H²O?
H2O is the chemical formula for water, meaning that each of its molecules contains one oxygen and two hydrogen atoms H.
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H²O is the chemical formula of water.
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Give the Correct Title for the following labeled diagram
I’ll MARK BRAINLIEST TO WHOEVER ANSWES FIRST
Answer:
This is the rock cycle I believe hope this helps
4 reasons why we should apply tertiary early
Answer:
you stand a better chance of being accepted at tertiary without any hassles.
you'll be able to have better piece of mind.
Why are monosomies rarely detected?
true/false. there are three children, three pets, and three favorite colors. the children are: angela, lisa, and susan. the pets are: a cat, a dog, and a fish. the colors are: blue, green, and red.
The statement is true. There are three children (Angela, Lisa, and Susan), three pets (a cat, a dog, and a fish), and three favorite colors (blue, green, and red) mentioned in the description.
The statement clearly states that there are three children, three pets, and three favorite colors. It specifies the names of the children as Angela, Lisa, and Susan, the pets as a cat, a dog, and a fish, and the favorite colors as blue, green, and red. The information provided matches the given quantities and names, confirming that there are indeed three children, three pets, and three favorite colors as mentioned in the statement. Therefore, the statement is true.
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Which of the following traits are found in all bipedal hominins? Select all that apply
Divergent hallux
Bowl shaped pelvis
Anteriorly located foramen magnum
Femur that angles inwards at the knee C-shaped spine
The following traits that are found in all bipedal hominins are: Anteriorly located foramen magnum, Bowl shaped pelvis, and Femur that angles inwards at the knee.
These features are what makes hominins unique from other primates. The Divergent hallux and C-shaped spine are not found in all bipedal hominins.
Here is the discussion for the aforementioned traits:
Anteriorly located foramen magnum: The foramen magnum is the large opening in the base of the skull that the spinal cord passes through. In bipedal hominins, the foramen magnum is located at the base of the skull, near the center, which indicates that the head is balanced over the spine.
Bowl-shaped pelvis: The bowl-shaped pelvis of hominins allows the weight of the body to be transferred down through the legs to the feet. The pelvis is positioned such that the iliac blades (the upper part of the hip bones) are parallel to the ground, and the acetabula (the sockets that the femurs fit into) are positioned toward the sides of the pelvis.
Femur that angles inwards at the knee: The femur, or thigh bone, is angled inwards at the knee in bipedal hominins. This angle places the knees closer together than the hips, helping to balance the weight of the body over the feet and to maintain stability while walking.
Divergent hallux: The hallux is the big toe. A divergent hallux means that the big toe is angled away from the other toes, as is the case in modern humans.
However, early hominins had a grasping hallux, which allowed them to grasp tree branches while moving through the trees. C-shaped spine: A C-shaped spine is the shape of the spine in four-legged animals. In bipedal hominins, the spine is S-shaped, which helps to shift the weight of the body over the hips while walking.
So, the correct answers are: Bowl shaped pelvis, Anteriorly located foramen magnum and Femur that angles inwards at the knee C-shaped spine.
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The ecosystem with the greatest sustainability will be the one that has the
Answer:
Different organisms or animals
Explanation: In a ecosystem, if you have different animals or organisms, it give them a better chance of survival, reason being that they can choose to eat whatever animal or organism they want because there is lots of animals to choose from the ecosystem. Basically the more diversity you have, the better chance you will survive, and the less diversity you have, the less chance of survival.
Which risk factors predispose a client to the development of kidney stones?
Several risk factors can predispose a client to the development of kidney stones. These include: Dehydration, Diet, Obesity, etc.
Dehydration: Insufficient fluid intake can concentrate urine and lead to the formation of kidney stones. Adequate hydration is essential to maintain urine dilution and prevent stone formation.
Diet: Certain dietary factors can contribute to kidney stone formation. These include a high intake of sodium, animal protein (such as red meat), and oxalate-rich foods (such as spinach, rhubarb, and chocolate). Excessive consumption of these substances can increase the risk of specific types of kidney stones.
Family or personal history: Individuals with a family history of kidney stones have a higher risk of developing them. Additionally, those who have previously experienced kidney stones are more likely to have recurring episodes.
Obesity: Being overweight or obese is associated with an increased risk of kidney stone formation. Obesity can alter urinary excretion and increase the concentration of stone-forming substances in the urine.
Certain medical conditions: Several medical conditions can predispose a person to kidney stone formation. These include urinary tract infections, renal tubular acidosis, cystinuria (a genetic disorder affecting the amino acid cystine), and certain metabolic disorders (such as hyperparathyroidism or gout).
Medications: Certain medications, such as diuretics, calcium-based antacids, and certain antiretroviral drugs, may increase the risk of kidney stone formation.
Urinary tract abnormalities: Structural abnormalities or obstructions in the urinary tract, such as kidney cysts, kidney stones, or urinary tract strictures, can increase the likelihood of stone formation.
It's important to note that the specific risk factors and types of kidney stones can vary among individuals. Consulting with a healthcare professional is recommended to evaluate individual risk factors and develop appropriate preventive strategies.
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As a participant in a study, Mary knew that the researchers believed if she worked under quiet conditions her productivity would increase. As a result, her productivity at work did increase. What appears to have happened?
a
participant bias
b
hindsight bias
c
researcher bias
d
confirmation bias
Which column would you use to purify a 32kd positively charged tagged protein from a 35kd negatively charged protein?
a. G200 gel filtration column
b. G100 gel filtration column
c. Ni+2 Agarose
d. ion exchange column
The most appropriate column to purify a 32 kDa positively charged tagged protein from a 35 kDa negatively charged protein would be the ion exchange column. The correct option is d.
Ion exchange chromatography separates proteins based on their net charge. In this case, the positively charged tagged protein can bind to a negatively charged ion exchange resin, while the negatively charged protein will not interact significantly and can be washed away. The bound protein can then be eluted using a salt gradient or a pH change.
The G200 and G100 gel filtration columns (a and b) are used for size-based separation, where proteins are separated based on their molecular weight. The molecular weights of both the target protein and the contaminating protein are close, and the charge difference between them is the key distinguishing factor. Therefore, gel filtration columns would not effectively separate the two proteins.
Ni+2 Agarose (c) is typically used for purification of His-tagged proteins through affinity chromatography. Since the target protein in this case is not His-tagged and does not have an affinity for Ni+2, this column would not be suitable for separating the target protein from the contaminating protein.
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. ___________________ is the process of plants releasing oxygen into the environment?
Answer:
photosynthesis
Explanation:
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Which of the following applications of genetic engineering is preventative and helps
individuals fight infection before its onset?
A)Insulin production
B)Vaccine production
C)Stem cell therapy
D)Gene therapy
how does the antigen-antibody complex protect the body
Answer:
Explanation:
the antibodies destroy the antigen (pathogen) which is then engulfed and digested by macrophages. White blood cells can also produce chemicals called antitoxins which destroy the toxins (poisons) some bacteria produce when they have invaded the body.
in peas, both male and female sex cells -blank- are in the same flower
Transit geometry: in this exercise, we’ll try to understand some of the variables that influence the likelihood of seeing a planet transit in front of a star that it is orbiting. As we discussed in class, a transit requires a planet’s orbit to be almost edge-on as seen from Earth. Even if we assume that the mostly flat shape of our solar system is typical (with everything orbiting in almost the same plane), it is reasonable to assume that different solar systems will have their planes oriented more or less randomly so that most will not be edge-on as seen from Earth. We’ll try to understand some consequences of that here.
Transit geometry refers to the study of the likelihood of seeing a planet transit in front of a star that it is orbiting. A transit is a phenomenon that occurs when a planet's orbit is almost edge-on, as viewed from Earth. However, it is reasonable to assume that different solar systems will have their planes oriented more or less randomly, which makes it less likely for most systems to be viewed edge-on. This means that the variables that influence the likelihood of seeing a planet transit include the orientation of the planet's orbit relative to Earth's line of sight, the size of the planet, and the distance between the planet and the star it is orbiting.
The orientation of the planet's orbit relative to Earth's line of sight is the most important factor in determining the likelihood of a planet's transit. A planet's orbit must be almost edge-on as viewed from Earth in order for a transit to occur. The size of the planet is also a factor; larger planets are easier to detect than smaller ones.
The distance between the planet and the star it is orbiting is also important. A planet that is closer to its star will have a shorter orbital period, which means that it will transit more frequently than a planet that is farther away. However, planets that are too close to their stars may be too hot to support life.
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Procedure
1. Drop a stone into a glass carefully. Observe what happens to the shape and
size of the stone
Question 1. Did the stone take the shape of the glass?
2. This time transfer the stone to a pail. Observe what happens to the shape and size
of the stone.
Question 2. Did the particle of the stone change in shape?
Question 3. Explain the properties of solid based on the particle nature of matter?
Answer:
No.
Explanation:
No, the stone did not take the shape of the glass because stone is not a liquid, it is a solid. Taking the shape of the container in which it is placed is the property of liquid matter whereas the solid maintain its shape and structure when placed in any container. No, the stone did not change the shape and structure when it is placed in the pail due to its solid matter. The properties of matter are the following: It is composed of tightly packed particles which make the matter solid. It maintains its shape and its particles can't move freely like gas and liquid particles.
What structure represents the Golgi body of the cell?
Choose 1 answer:
The Golgi body of the cell, which is in charge of altering, classifying, and packing proteins for secretion, is the organelle designated "B" in the diagram.
What is the Golgi body's structure?In eukaryotic cells (cells with clearly defined nuclei), there is a membrane-bound organelle called the Golgi apparatus, sometimes referred to as the Golgi complex or Golgi body. Cisternae, a series of stacked flattened pouches, make up its structure. It is located in the cytoplasm near to the endoplasmic reticulum and the cell nucleus.
What else is the Golgi body known as?The golgi complex, or golgi apparatus, is another name for the golgi body. Most eukaryotic cells have this organelle. It aids in the preparation and packaging of proteins.
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synovial joints have the greatest range of flexibility and motion. please select the best answer from the choices provided.
a.true
b.false
The statement that synovial joints have the greatest range of flexibility and motion is true.
What is Synovial joints ?Synovial joints are the most common type of joint in the body. They are characterized by a fluid-filled space between the bones, which allows for a great deal of movement. The shoulder and hip joints are examples of synovial joints.
The range of motion is substantially more constrained in other types of joints, such as cartilaginous and fibrous joints. Ligaments, which are bands of resilient tissue, hold together fibrous joints. The smooth, slick tissue known as cartilage holds cartilaginous joints together.
Therefore, synovial joints have the greatest range of flexibility and motion.
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