what Respiration can be defined as
Answer:
Respiration -the action of breathing.
fossil fuels are formed naturally beneath the surface of the earth. humans use fossil fuels as energy sources. which choice is NOT a fossil fuel?
A) oil
B) coal
C) natural gas
D) uranium ore
Drag each label to the correct location on the image.
A simple food chain consists of grasshoppers eating grass, frogs eating grasshoppers, and snakes eating frogs, match the image of each
organism in this food chain to its trophic level.
primary consumer
producer
secondary consumer
tertiary consumer
Answer:
producer: grass, primary: grasshopper, secondary: frog, tertiary: snake
Explanation:
The grass would be the producer, the grasshopper the primary consumer, the frog the secondary consumer, while the snake would be the tertiary consumer.
The producer forms the base of many food chains or webs. Organisms that feed directly on the producer and called primary consumers.
Organisms that feed on primary consumers are themselves known as secondary consumers while those that feed on secondary consumers are known as tertiary consumers.
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Pls help I’ll give 20 points
Answer: The most logical answer is D
Explanation:
Help with the questions for the History of the cell article in Newsela?
Answer:
i dont no
Explanation:
cause i dont no tha anser
Where does the stage of respiration take place that releases the most energy from glucose?
Answer:
The first stage of cellular respiration, called glycolysis, takes place in the cytoplasm. In this step, enzymes split a molecule of glucose into two molecules of pyruvate, which releases energy that is transferred to ATP.May
Explanation:
Answer:
Apparently, two ATPs come from glycolycolytic, two from the citric acid cycle, and 34 from each glucose molecule's electron transmission chain, which is by far the most energy-producing.
If all grasshoppers are removed from the food chain, what will happen to the bluebirds? A.The bluebirds will decrease in number. B. The bluebirds will become scavengers. C. The bluebirds will begin eating more plants. D. The bluebirds will migrate early to the south. I am actually in 5tg grade
Answer:
a
Explanation:
i think bc if they dont have food the will die off
give one reason for the difference in the concentration of DDT in these organisms
Answer:
The concentration effect occurs because DDT is metabolized and excreted much more slowly than the nutrients that are passed from one trophic level to the next. ... spraying a marsh to control mosquitoes will cause trace amounts of DDT to accumulate in the cells of microscopic aquatic organisms, the plankton, in the marsh.
Explanation:
Summarize the structure and function of the cytoskeleton.
Answer:
The cytoskeleton is a network of fibers that forms the "infrastructure" of eukaryotic cells, prokaryotic cells, and archaea. In eukaryotic cells, these fibers consist of a complex network of protein filaments and motor proteins that help move cells and stabilize the cell.
Explanation:
Function:
It helps the cell maintain its shape and provides support to the cell.
Various cellular organelles are held in place by the cytoskeleton.
It helps in the formation of vacuoles.
The cytoskeleton does not represent a static structure but is able to disassemble and assemble its parts in order to enable the internal and overall mobility of the cell.
The cytoskeleton contributes to cell migration because cell motility is required for tissue construction and repair.
The cytoskeleton helps transport communication signals between cells.
In some cells, it creates cell bulges, such as cilia and flagella.
Cytoskeletal structure :
The cytoskeleton is composed of at least three different types of fibers: microtubules, microfilaments, and middle filaments.
These fibers differ in their size, and the microtubules are the smallest and the microfilaments are the thinnest.
A cell can no longer properly attach nucleotidesto sugar groups. All of thefollowing energy carriers are affected except:________
A. ATP
B. GTP
C. Co-enzyme A
D. NADH
E. None of the above (all are effected)
Answer:
E. None of the above (all are effected)
Explanation:
A nucleotide may be defined as the basic building block of the nucleic acid. DNA and RNA are the polymers that are made up of long chains of these nucleotides. It consists of a sugar molecule attached to the phosphate group and also consists of a nitrogen base.
In the context, all the given options are affected as all the choices are nucleotides as they all contains a sugar group.
The cells in your pancreas produce insulin which needs to be sent to the rest of your body to tell your cells to take in glucose (sugar) for energy. In order to get sent out of the pancreas’ cells, the insulin needs to go through which organelle?
A. Mitochondria
B. Golgi apparatus
C. Nucleus
D. Endoplasmic reticulum
The cells in your pancreas produce insulin which needs to be sent to the rest of your body to tell your cells to take in glucose (sugar) for energy. In order to get sent out of the pancreas’ cells, the insulin needs to go through the Endoplasmic reticulum. Thus, option "D" is correct.
What is Rough endoplasmic reticulum?
ROUGH ENDOPLASMIC RETICULUM:
Rough Endoplasmic Reticulum (RER) is endoplasmic reticulum studded with ribosomes.
Ribosomes are the protein factories of cells. Hence RER is responsible for forming proteins.
Therefore, rough endoplasmic reticulum will be present in large amounts in cells responsible for producing substances rich in proteins like beta cells of pancreas.
Thus, option "D" is correct.
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Oil and gas are now being extracted in large quantities directly from organic-rich
shales and other sedimentary rocks with low permeability. Which of the following
technological advances have made this possible?
1) seismic surveys & deep-ocean drilling
2) horizontal drilling & hydraulic fracturing
3) hydraulic fracturing & deep-ocean drilling
4) high pressure blowout preventers & deep-ocean drilling
5) seismic surveys & high pressure blowout preventers
Answer:
333
Explanatio3n:
A sample of double-stranded DNA contains 28% thymine. Approximately what percent of the nucleotides in this sample will be guanine
Answer:
Percent of Guanine = 42%
Explanation:
Given:
Percent of Thymine = 28%.
Find:
Percent of Guanine
Computation:
DNA contain 20% Thymine will have 30% Guanine
So,
Percent of Guanine = Percent of Thymine [30/20]
Percent of Guanine = 28 [30/20]
Percent of Guanine = 42%
If DNA contains 28% Thymine, then approximately 22% of the nucleotides in this sample will be Guanine.
DNA is a double helix molecule composed of two chains of nucleotides linked together by hydrogen bonds.In DNA, there are four classes of nucleotides that contain different nitrogenous bases: Thymine, Guanine, Adenine, Thymine.According to the base pair rules, Adenine pairs with Thymine and Guanine pairs with Cytosine.Thus, the percentage of Thymine must be equal to Adenine (28%), while the remaining percentage is equal to the sum of Guanine + Cytosine (28 + 28 = 56 >> 100 -56 = 44).In consequence, the percentage of Guanine, in this case, is equal to 22% (22 G + 22 C = 44).In conclusion, if DNA contains 28% Thymine, then approximately 22% of the nucleotides in this sample will be Guanine.
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How did watson and crick make useful inference from franklin's x-ray studies of DNA.
Answer:
Rosalind Franklin made an X-ray image of the DNA molecule, that has revealed the following:
1. The nitrogenous bases are near the center of the DNA molecule
2. DNA molecule is composed out of two strands
3. DNA molecule has the shape of a helix
Watson and Crick made the first model of the DNA molecule based on that very picture. They concluded that the strands are antiparallel and that they are composed of nucleotides.
Explanation:
The useful interference from Watson and crick should be shown below.
Useful interference:Since Rosalind Franklin comprise of an X-ray image of the DNA molecule where the following things should be revealed:
The nitrogenous bases should be closest to the center of the DNA molecule. DNA molecule should be composed of two strands DNA molecule should contain the shape of a helixAlso, Watson and Crick comprise of the first model of the DNA molecule
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10)
Ahuman-centered view of our relationship with the environment is known as
Answer:
This is known as Anthropocentrism
1. Why do you think the geocentric model was popular for
so long?
(food chains, food webs, and energy pyramid
1. Using the following food chain, answer the questions below
Grass Rabbit Fox
a. What type of organism is the grass?
b. Which animal is an herbivore or primwy consumer?
c. What would happen to the population of rabbits, if the population of faces decreased?
2. Read the prompt below
A hawk eds a snake, the snake eats a squirre, the squirrelate a plant
A Which is a product?
B Which are the primary consumers? (Hint there are three)
C Which are the two secondary consumers?
D Which is the tertiary consumer?
E Which is the top predator?
Answer:
a producer
b rabbit
c it effects the eci system
plant
squiree
snake
hawk
hawk
1. Using the food chain "Grass - Rabbit - Fox":
A. A producer, more precisely a primary producer, is grass. It is an autotrophic animal that uses photosynthesis to convert sunlight into energy.
B. The rabbit is the herbivore or the main consumer in this food chain. It uses grass as its energy source.
C. If there was a decrease in the number of foxes, then perhaps the number of rabbits would increase. If the number of predators is low, the population of rabbits will probably increase, as there will be less pressure from predators. Increased competition for resources may also lead to an increase in the number of grass species.
2. Considering the "hawk-snake-squirrel-plant" food chain:
A. In this food chain, the plant is both a producer and a product. It uses photosynthesis to convert sunlight into electricity.
B. Hawks, squirrels and snakes are the main consumers of this food chain. Each person directly uses the energy of other living things. After the squirrel is eaten by the snake, the plant is eaten by the plant.
C. Hawks and snakes are two secondary consumers in this food chain. The snake eats the squirrel, which is one of its main prey. After being eaten by the eagle, the snake becomes a secondary consumer.
D. The hawk is a tertiary consumer in this food chain. The snake, a secondary consumer, is consumed by it.
E. The hawk is the main predator in this food chain. Being at the top of the food chain, it can prey on other organisms without being preyed upon by another species.
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helppp emeeee ee plzzz
Answer: Trail 1
Explanation:
They apply the least amount of force
What water regulation adaptations might have evolved in protists in hypertonic habitats such as the Great Salt Lake?
A. Protists would have less permeable membranes than those in hypotonic or Isotonic environments, wlowing less water to enter the coll. Also, they could possibly develop higher salt concentration within the cell to retain water
B. Protists would have more permeable membranes than those in hypotonic or isotonic environments, allowing more water to enter the col. Also, they could possibly develop higher salt concentration within the cell to retain water
C. Protists would have more permeable membranes than those in hypotonio or Isotonic environments, allowing more water to enter the col. Also, they could possibly develop lower salt concentration within the cell to prevent retention of water
D. Protists would have more permeable membranes than those in hypotonic or isotonic environments, allowing less water to enter the coll. Also, they could possibly develop lower salt concentration within the call to retain water
Answer:
Letter a) Protists would have less permeable membranes than those in hypotonic or Isotonic environments, wlowing less water to enter the coll. Also, they could possibly develop higher salt concentration within the cell to retain water.
giving brainliest !!!!!!!!!!!!!!!!!!!!!!!! pls help.
Answer:
Movable Pulley
Explanation:
The movable can only move up and down.
A researcher wants to document the number of monarch butterflies that
migrate througha specific area. Which statement describes a limitation the
researcher is likely to face?
OA Monarchs feed predominately on milkweed plants
OB. Some monarchs might be cOunted more than once
OC. Some monarchs die before they can migrate
D. Monarchs migrate during a specific time of vear
Answer:
A think It's B
Explanation:
Answer:
I think It's B
Explanation:
Nucleic acids are the building blocks of
A) proteins.
B) nucleotides.
C) DNA.
D) biomolecules.
Answer:
I think the answer is B :)
Explanation:
Hope this helps <3
Answer: c
Nucleic acids are made up of three components: a phosphate, a sugar and a nitrogenous base. The specific building blocks of DNA and RNA are slightly different, but they fall into the same three categories.
What do all of the organ systems in a human form?
Answer:
Organ Systems of the Human Body
Organ System Functions
Skeletal Supports and moves body Protects internal organs Mineral storage Blood formation
Muscular Locomotion Heat production
Nervous Coordinates activities of other organ systems Responds to sensations
Endocrine Regulates body functions by chemicals (hormones)
Explanation:
A substance that influences the reaction but does not participate in the reaction is a
Answer:
A. Catalyst
Explanation:
A catalyst is a substance that speeds up the chemical reaction but does not participate in the reaction.
Hope it helps!
Which of the following are ways that organisms can get energy?
how can grasses survive the windy climate of grassland?
Products that can carry the Energy Star logo include _______.
a.
appliances
b.
electronics
c.
lights
d.
all of the above
Answer:
D)
Explanation:
Products that can carry the Energy Star logo include appliances, electronics, and lights.
The products that can carry the Energy Star logo include, appliances, electronics, and lights.
What is energy star logo?Energy star logo is the government-backed symbol for energy efficiency. This energy star logo was introduced as a volunteer labeling program to identify and promote energy-efficient products.
The products that can carry the Energy Star logo include;
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How are meiosis and mitosis different?
Answer:
Mitosis makes exact copies of a cell and has 6 stages (Prophase, metaphase, anaphase, telophase, cytokinesis, and interphase) Meiosis makes unique cells and has 11 phases (Prophase, metaphase, anaphase, telophase, cytokinesis, interphase, prophase II, metaphase II, anaphase II, telophase II, and cytokinesis)
Explanation:
Which structure in the brain is responsible for balance and posture
Answer: The Cerebellum
Explanation:
When discussing total number of chromosomes, n or 1n =
A.diploid
B. haploid
Answer:
B. haploid
Explanation:
it means “one set” and is represented by the symbol ‘n’ so yeah
