Answer: isochron method.
Explanation:
Which of the following best predicts the effect of not having ATP available to supply energy to this
process?
A. H+ ions will stop moving through the protein.
B. H+ ions will move in the other direction through the protein.
C. H+ ions will continue to move through the protein in the original direction but at a slower rate.
D. H+ ions will begin to move through the phospholipid portion of the membrane in the original direction.
H+ ions will stop moving through the protein is the effect of not having ATP
available to supply energy to this process.
ATP is the form of energy used by cells and it ensures that cells perform their
daily activities optimally. ATP is needed in a lot of metabolic reactions and
transportation of materials within cells.
When there is a lack of ATP, it means there is no energy required to
transport or move substances within a cell. This means that the H+ ions will
stop moving through the protein and is the most appropriate choice.
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which statements accurately reflect the permeability of the cell membrane? choose all that apply
Answer:
The hydrophilic part of the cell membrane is A, the phosphate head.
Charged molecules, such as K+ or Ca++ are unable to pass through the lipid bilayer because of their charge and must use a membrane protein to cross the cell membrane.
C, the lipid tails, are hydrophobic and repel water.
Explanation:
what are the functions of the cells in the chloroplast
Answer:
Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process. By doing so, they sustain life on Earth. ... Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.
Explanation:
Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process. By doing so, they sustain life on Earth. ... Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.
HURRY 50 POINTS
Define trawling, and explain the ecological damage associated with it.
DO NOT COPY AND PACE PLZ
Answer:If we are talking the word it means, fishing with a trawl net or seine, or, sifting through as part of speech. if it isnt the word then i dont know:(
Explanation:
The periosteum and the endosteum are both membranes.
a.
True
b. False
Answer the following for 20 points
what is happening in the convection layer of the Sun
Answer:
In the convective zone, the temperatures are cool enough—under 1,800,000 degrees Fahrenheit (1,000,000 degrees Kelvin)—that the atoms in the plasma there can absorb the photons coming outward from the Sun's radiative zone. The plasma gets very hot, and begins to rise upward out of the Sun.
DNA and RNA are ______ that serve as templates that form proteins
Answer:
In the first step, the information in DNA is
transferred to a messenger RNA (mRNA)
molecule by way of a process called
transcription.... The mRNA sequence is
thus used as a template to assemble-in
order-the chain of amino acids that form a
protein.
A type of RNA that is called as ribonucleic acid type called as transfer RNA that is used for the production of the amino acid at a time and the protein assembly takes place at the ribosomes.
What is the role of DNA and RNA for the sake of protein synthesis ?
DNA are responsible for the providing out the code for the cell's activities and the RNA are responsible for providing out the service to make them proteins.
Each group of 3 bases in the mRNA constitutes a codon and each codon is specifying a particular type of amino acid. The mRNA sequence therefore used as a template to make the assembly in order of the chain of amino acids which form a protein.
It is found that in all biological cells , usually occurs in cytoplasm of cell though its production takes place in nucleus. Whereas DNA is providing the code for cell's activities and RNA is responsible for converting that code into proteins which carry various cellular functions.
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What happens to the cell's
genetic information during the cell cycle?
Answer:
Mitosis results in two nuclei that are identical to the original nucleus. So, the two new cells formed after cell division have the same genetic material. During mitosis, chromosomes condense from chromatin. ... At the end of mitosis, the cell has two identical sets of chromosomes in two separate nuclei.
Explanation:
3. An animal population decreases from 800 individuals to 600 individuals. Which of the following could explain this
change in population size?
A. The population size of the animal's predator increased.
B. The emigration rate of the animals from the population decreased.
C. The population size of the animal's prey increased.
D. The number of species competing with the animal for food decreased.
RESOURCE:
ASAP
The statement that could explain the reason for the decrease in population of an animal from 800 individuals to 600 individuals is: The population size of the animal's predator increased.
POPULATION:Population refers to a collection or assemblage of individuals of a species of organism. A population decrease means loss of individuals of a species.
Population decrease can be attributed to the following reasons:
Increase in the number of predators of that species. Emigration i.e. moving outIncrease in competition within the populationThis means that a population decrease in the animal in this question could be caused by an increase in the population of predators.
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26.
Which of the following food chains
shows one way that energy moves
through an ocean ecosystem?
A fish plankton + whale → squid
B squid whale fish plankton
C plankton squid fish whale
D whale fish plankton → squid
Answer:
C
Explanation:
ans is C Wait a minute, I'll be right back.
Which of the following strategies would likely be part of a system of integrated pest management in a restaurant kitchen?
Sealing cracks in walls and placing screens over windows
Scattering small quantities of poison along exterior of restaurant
Trapping pests in mechanical devices and releasing them far from the restaurant
A) I and II only
B) I and III only
C) I, II, and III
A peacock spreading its tail to attract a mate is sending a(n) _____ stimulus. learned innate external internal
Answer:
External
Explanation:
The Tail is spreading outside of the peacock (Externally)
Energy flow in an ecosystem is best represented by _______.
the anterior pituitary hormone that controls the release of glucocorticoids from the adrenal cortex is __________.
Answer:
Adrenocorticotropic Hormone (ACTH)
Explanation:
Explanation:
Adrenocorticotropic hormone (ACTH)
what substances are the reactants in photosynthesis
Answer:
The reactants of photosynthesis are everything to the left of the "———>" arrow, thus the reactants of photosynthesis are carbon dioxide, water, and sunlight energy.
The products of photosynthesis are everything to the right of the "———>" arrow, thus the products of photosynthesis are glucose and oxygen.
how to mark someone brainlist
Answer:
when two people has answered your question you will see a crown on your answer and then you select the answer that is right
Explanation:
22. Where does most metamorphic rock
form?
A at Earth's surface
B in volcanoes
C in ocean waters
D deep underground
Explanation:
Most metamorphic rocks form deep below the Earth's surface. These rocks are formed from either igneous or sedimentary rocks, making them a changed...
HELP HELP HELP
Which of these areas control voluntary actions over internal and external intercostals muscles?
C. pons
A. Cerebral cortex
B.carotid bodies
D. medulla
The species that plays the biggest role in the habitat is?
Answer:
A keystone species is a species that plays an essential role in the structure, functioning or productivity of a habitat or ecosystem at a defined level (habitat, soil, seed dispersal, etc)
Answer:
the one that does the most damage, both to its habitat and the population of species around them.
Explanation:
Describe solar energy:
Answer: the light and heat that come from the sun
Explanation:
That’s it lol
What is photosynthesis???
By definition, photosynthesis is a metabolic process carried out by certain cells of autotrophic organisms, that is, those that have the capacity to make their own food, such as plants.
With this process, plants capture the energy of sunlight and transform it into chemical energy, to produce organic matter.
Photosynthesis takes place in 2 stages:
In the first stage the plants absorb water from the soil through the roots. Through their stems they transport it to their leaves. In these it meets the sunlight captured by chlorophyll, which breaks the water molecule, separating hydrogen (H) from oxygen (O₂). The other stage is capturing carbon dioxide. This provides the carbon and oxygen atoms that, together with hydrogen and stored energy, will form the glucose molecule, from which compounds are produced that are the basis of food for plants and other living beings.Then, sunlight, carbon dioxide and water are needed for the photosyntesis, while oxygen is released to the environment.
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brainly.com/question/13523854?referrer=searchResults brainly.com/question/13523849?referrer=searchResults brainly.com/question/873199?referrer=searchResultsWhich object has the most gravitational pull?
Answer:
Jupiter, the fifth planet from the Sun, has the strongest gravitational pull because it's the biggest and most massive.
Explanation:
Answer:
Jupiter
Explanation:
function of nucleus, mitochondria ,endoplasmic reticulum, vacuoles
Answer:
nucleus...controls all the activities of the cell and carrries the genes
mitochondria..site for respiration that yields energy for the cell
endoplasmic reticulum... protein synthesis and lipids metabolism
vacuoles.... handle waste products and are responsible for regulation of osmotic pressure of a cell also
Explanation:
is this helpful?
How do we know that the ocean is continually absorbing carbon from the atmosphere, helping with climate stability?
O Increased carbon in the oceans have made them more acidic.
O Ocean pH has increased significantly in the last decade.
O There are bubbles like carbonation on the ocean surface.
O Fish we catch and eat from the ocean are made of carbon.
The concentration of carbon is increased in the oceans have made them more acidic.
Increased carbon concentration in the oceans which have made the ocean water more acidic is the indication that more carbon is absorbed by the ocean. When carbon absorbed by the ocean, the carbon reacts with water which produced carbonic acid.
This carbonic acid decrease the pH of the ocean water that adversely affect the marine organisms especially coral reefs. When the pH of the ocean water increases, bleaching of coral reef occurs because the algae living on them die so we can conclude that the concentration of carbon is increased in the oceans have made them more acidic.
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Learn more: https://brainly.com/question/25941324
Answer:
A
Explanation:
Increased carbon in the oceans has made them more acidic.
Why are enzymes important in digestion?
A. They allow reactions to occur rapidly and at
body temperature.
B. They change inorganic compounds into organic
ones.
C. They let reactions repeat without energy.
D. They control photosynthetic processes.
Answer:
A. They allow reactions to occur rapidly and at
body temperature.
I hope this helps you
which of the following hormones produced in the anterior pituitary stimulates the production of progesterone and estrogen by ovaries and is needed for ovulation?
Luteinizing hormone stimulates the corpus luteum to produce progesterone, which is required to support the early stages of pregnancy, if fertilization occurs.
what are the role of Luteinizing hormone ?These hormone are released from ductless Endocrine cells which release their secretion i.e., hormones directly into blood.
The FSH (follicle stimulating hormone) is secreted by pituitary gland which helps in controlling menstrual cycle and stimulation of ovaries for egg production.
The hormone LH (Luteinizing hormone) is secreted from pituitary gland, helps in physical development and maintaining pregnancy.
Thus, both FSH and LH are produces by pituitary gland and their functions are to control menstrual cycle and maintaining pregnancy respectively.
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What is the name of the column of neurons within the medulla that initiates neural impulses for inspiration and expiration
A euglena is a unicellular organism. Choose an everyday object, such as a car, to use as a model of this euglena. Explain how the parts of the object model how the euglena's cell parts help it stay alive.
Answer:
a car:
Flagellum is a long thread-like structure that works as a navigator or a steering wheel in a car. The thin filament helps an euglena to move forward in any direction it desires.
Cell membrane is like the doors on a car. They regulate what goes in/out. The cell wall in a plant cell is like the frame on a car. The frame supports the car as the cell wall supports the plant.
The Nucleus is like the front seat of your car because the driver is in control of what the car does, goes, and what happens inside of the car.
Vacuoles is like the Trunk of your car because you store food, water and other wastes into your trunk, like were all the things go in the vacuoles.
The compression stroke in a car engine is like chloroplasts because it gas to fuel a car the same way chloroplasts convert solar energy in to chemical energy for a cell.
Mitochondrion is like the battery on a car. It gives the motor energy so it can run like the mitochondrion produces energy for the cell.
Eyespot is like a radio, because in some cars, radios pull power directly from the battery from the car battery, and this is why you will get the car radios on while the engine is off
Explanation:
The internal structures found in a typical photosynthetic Euglena are as follows:
Pellicle: A thin, flexible membrane that supports the plasma membrane and helps them to change shape
Plasma Membrane: The selectively permeable membrane that protects the inner content of the cell from the outside environment
Cytoplasm: A jelly-like substance distributed throughout the cell that contains all the cell organelles
Chloroplast: Contains the green pigment chlorophyll that helps them to produce food using sunlight by photosynthesis
Nucleus: A membrane-bound organelle that contains the genetic material, DNA. It also contains a distinct nucleolus that contains RNA and helps the cell to synthesize proteins
Mitochondria: The energy-producing organelle that forms ATP. All cellular activities such as movement and reproduction are performed using the mitochondrial energy source
Ribosomes: Consists of RNA and proteins, and are responsible for producing all cellular proteins
Golgi Apparatus: Manufactures, stores, and transports large molecules such as carbohydrates and proteins within the cell
Endoplasmic Reticulum: The extensive network of membranes that helps to package and transport proteins to different organelles. It is of two types: rough endoplasmic reticulum (RER) – containing ribosomes attached to it; and smooth endoplasmic reticulum (SER) – devoid of ribosomes
Lysosomes: Small membrane-bound organelles filled with hydrolytic enzymes that break down large molecules such as carbohydrates, fats, and proteins
Contractile Vacuole: It maintains the water and salt balance within the cell
Reservoir: The inward pocket present near the base of the flagella where contractile vacuole dispels excess water
Flagellum: A long whip-like structure attached externally to the cell body that helps in cell movement. An amoeba contains two flagella, a short one that does not protrude out of the cell, and a long one that helps in swimming
Eyespot: A region that is highly colored and contains red-colored carotenoid pigments that help in the detection of light. It is sometimes called a stigma
Photoreceptor: Also known as the paraflagellar body, it is the light-sensitive region located near the flagellum that helps to detect light. It also helps in their movement towards and away from light stimuli, a process known as phototaxis
Paramylon: They are stored starch-like carbohydrate granules composed of glucose produced during photosynthesis. Paramylon enables the organism to survive in low-light conditions when photosynthesis is not possible by acting as the food reserve for the cell. When the paramylon is enclosed in a sheath of polysaccharide, it is called the paramylon sheath of pyrenoid.
The flagellum of euglena, can be compared to the wheels of a car, as they are responsible for the movement of both.
What is Euglena?Euglena is a genus of single-celled flagellated algae that can occur either as free cells or in colony form.
What is flagellum?Euglenophytes have the presence of flagella as their main characteristic. They have two flagella, one longer than the other. The smaller flagellum does not emerge from the cell. The larger one is mainly used for locomotion.
With this information we can conclude that euglena has flagella for locomotion just as cars have wheels for locomotion.
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What are three main ways that cells maintain control over division
Answer:
Well if cells didn't have any control over what they do, the cells in the different stages of mitosis could ignite a genetic mutation of DNA and how the cells could react to different forms of treatment.
Explanation:
Hope this helps.
Answer:
the growth and repair of tissues in multicellular animals,the formation of gametes for reproduction in multicellular animals. the reproduction of an entire unicellular organism,Explanation: