Answer:
Magma in the Earth's mantle moves in convection currents. The hot core heats the material above it, causing it to rise toward the crust, where it cools. The heat comes from the intense pressure on the rock, combined with the energy released from natural radioactive decay of elements.
Explanation:
What cell parts are common to What cell parts are found only in plant cells? What are found only in animal cells?
all of these cells?
Answer:
The organelles found only in plant cells include- chloroplast, cell wall, plastids, and a large central vacuole. The chloroplasts contain a green pigment chlorophyll that is responsible for the process of photosynthesis. What is the composition of a plant cell wall? The cell wall of a plant is made up of cellulose
Animal cells are eukaryotic cells or cells with a membrane-bound nucleus. Unlike prokaryotic cells, DNA in animal cells is housed within the nucleus. In addition to having a nucleus, animal cells also contain other membrane-bound organelles, or tiny cellular structures, that carry out specific functions necessary for normal cellular operation
Answer: the plant cell has a cell wall, chloroplasts, plastids, and central vacuole structures not found in animal cells. Plant cells do not have lysosomes or centrosomes.
What Intermediary Products are produced in the Kreb Cycle that “feed “ the E.T.C.?
Answer: These products from the citric acid cycle are made in the mitochondria of your cells.. During oxidative phosphorylation, NADH and FADH 2start subscript, 2, end subscript are transported to the electron transport chain, where their high energy electrons will ultimately drive synthesis of ATP.
Why are the bones and muscles of the legs so much larger than the upper extremities?
During _____ in plant cells, a cell plate forms
separating the parent cell into two daughter cells.
Answer:cytokinesis
Explanation:
If a culture in the lab starts with one human cell, how many cells will there be after 24 hours?
Answer:
2 cells
Explanation:
I had a similar question, the cell cycle takes 24 hours to create 2 daughter cells, so 2
If the culture in the lab starts with one human cell there will be a cell after 24 hours - 2 cells.
Cell divisionIt is the process by which a cell divides to form to nearly equal daughter cell which resembles the parent. The cell cycle is the sequence of events that occur during cell growth and cell division.
It is completed into two steps interphase and M-phase. The total time s around 24 hours to complete one cell to divide in two.
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(NOW PLSSS I’LL GIVE BRAINLIEST) Ally sees a photograph of a macaroni penguin that lives in South Georgia, a sub-Antarctic island. She reads more about these penguins
and learns that they mate for life. She knows that not all animals mate for life and that there are various combinations of mating systems,
Describe two mating systems, and explain why different systems exist.
Answer:
It depends on their life expectancy. There is an bird that is born and dies on the same day (sorry I cannot remember the name) so as soon as they can mate, they mate until death. Not every animal mate for life because they live longer. Animals that mate for life mate because they have a short life so they do this to continue the population.
Which three plates touch the south American plate
Answer: South American plate is bounded by African plate in the east, Nazca plate in the west, Antarctic plate and Scotia plate in the south, and Caribbean plate and North American plate in the north.
Explanation:
Answer:
African plate, North American plate, and antarctic plate
Explanation:
how is atmospheric carbon in the form of CO2 converted into a molecule that is usable to all organisms?
Answer:
The carbon-dioxide exists in the atmosphere, and it is dissolved in the water.
Explanation:
With the process of photosynthesis, it becomes organic, and by breathing, the organic gas goes back to carbon-dioxide.
The assimilation of carbon is the process when the carbon-dioxide converts to organic carbon with the help of living organisms. This organic carbon is then used for energy.
Which molecules provide the elements for creating stored chemical energy for the cell?
Answer:
Energy-rich molecules- Glycogen, carbohydrates, triglycerides, and lipids are energy storage molecules. These molecules store energy in the form of covalent bonds.
Electrochemical potential- This type of energy storage is more active and readily used by cells.
Hope this helps!
Explanation:
Brainliest please?
Yeast cells, plant cells, and mammal cells all share many similarities in cell signaling. This provides evidence that:________
a. cell-signaling mechanisms are only found in organisms that use methods of sexual reproduction
b. intercellular communication evolved as a way for multicellular organisms to coordinate cell functions
c. eukaryotic cells use signal transduction pathways while prokaryotic cells use a more primitive form of signaling
d. signal transduction pathways appeared in cells before the evolution of multicellular organisms
Answer:
D
Explanation:
Yeast cells, plant cells, and mammal cells all share many similarities in cell signaling. This provides evidence that signal transduction pathways appeared in cells before the evolution of multicellular organisms. Thus, the correct option for this question is D.
What is cell signaling?Cell signaling may be defined as a process through which a cell of an organism may respond to substances outside the cell through signaling molecules found on the surface of and inside the cell.
This biological process of cell signaling is ultimately required in order to accomplish all sorts of metabolic activities that are essential for the survival of living organisms, no matter whether they are prokaryotic or eukaryotic, unicellular or multicellular.
Therefore, the correct option for this question is D.
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what happens to sound underwater
Answer:
if you put your head under the water, the sound becomes much louder. You also feel more of a sound when you're underwater. Above the surface, the sound waves only vibrate your eardrum (unless the sound is very loud).
Explain why the ratio of motor neurons to muscle fibers is greater in muscles that control eye movement than in postural muscles of the leg.
Answer:
The muscles of the eye cover a greater number and in turn carry out greater fine motor skills.
Explanation:
Alpha motor neurons are neurons that invent the skeletal muscle, that is, striated, so that through the motor plate that is the unit that unites them, an action potential is transmitted that contracts the sarcomeros of the elastic fibers and the z lines. come closer, each eye movement is much more precise than the locomotion of the lower limb, which carries greater innervation in each muscle bundle due to the specificity of the movement, this is how more alpha motor neurons are required to mobilize the eye than a leg.
The specificity and preciseness of eye movement control justifies why the ratio of motor neurons to muscle fibers is greater for muscles controlling eye movement than those in the postural muscles of our leg.
The function the eyes performs requires more precise locomotion control than the movement of the limbs require.
For an eye movement to be made, an action potential must be transmitted which makes the sarcomeres of the elastic fibers and z-lines to unit thereby producing movement of the eye. This movement are usually done with almost perfect preciseness.
This is why there are more alpha motor neurons that control eye movement than we have in postural muscles of the leg.
In summary, the specificity and preciseness of eye movement control justifies why the ratio of motor neurons to muscle fibers is greater for muscles controlling eye movement than those in the postural muscles of our leg.
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Meiosis is necessary for_____
reproduction.
A. Somatic
B. Zygote
C. Asexual
D. Sexual
Answer: D
Explanation: Meiosis is necessary for sexual reproduction because haploid cells which fuse during sexual reproduction to form a diploid zygote results from meiotic cell division.
SOMEONE HELP ME PLZ, I WILL MARK BRAINLIEST!!!
Why time is important in measuring the rate of transpiration of plant
so you don't lose track of the rate of the transpiration. they change over time.
Answer:
Transpiration is a process that involves loss of water vapour through the stomata of plants. Transpiration is thought to be a 'necessary cost or evil' to allow the plant to absorb water from the soil. It is an inevitable process. ... Transpiration helps maintain the turgidity in plants.
please help What is used to process fuel in cellular respiration?
Answer: Carbohydrates, fats, and proteins can all be used as fuels in cellular respiration, but glucose is most commonly used as an example to examine the reactions and pathways involved.
Explanation:
1. What is vascular tissue?
Give the equivalent measurement of the materials given below.
equivalent
sample materials (unit)
1. 1 cup nuts meaurement
2. 4 table spoon sugar
2. 5 whole eggs
4. 1 gallon ice cream
5. 2 bars butter
6, 3 lbs. dried nuts
7. 5 big cans of evaporated milk
8. 1 teaspoon sugar
9. 16 tablespoon salt
10. 5 cups flour
Answer:
1 cup nuts measurement =300grams
Explanation:
wannabe friends please
Describe the anatomy of the typical long bone
Answer: HERE'S YOUR ANSWER!!!
Explanation:
Long bones are those that are longer than they are wide. The end of the long bone is the epiphysis and the shaft is the diaphysis. When human finishes growing these parts fuse together. The outside of the flat bone consists of a layer of connective tissue called the periosteum
Which compound is a reactant in cellular respiration?
oxygen
carbon dioxide
water
ATP
Answer:
Oxygen
Explanation:
........... ......
Oxygen and glucose are the reactant in process of cellular respiration. ATP is the primary product of cellular respiration, and carbon dioxide and water are waste products. Thus, option A is correct.
What is the importance of cellular respiration?During the process of photosynthesis, which creates glucose from water and carbon dioxide, solar energy is transformed into chemical energy. The byproduct is the emission of oxygen.
In the process of breaking down glucose during cellular respiration, oxygen is consumed, which also produces heat and chemical energy.
The terminal electron acceptor in cellular metabolism is oxygen. H2O is produced when oxygen takes hydrogen ions and electrons.
After passing via ATP synthase, hydrogen ions from the intermembrane space move from the mitochondrial matrix to produce ATP.
Therefore, oxygen molecule is a reactant in cellular respiration.
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Do all living things obtain the matter and energy they need to live and grow in the same way?
Answer:
Explanation:
This means all living organisms must obtain and use energy to live. Energy is the power to do things. ... A living organism can either make its food or depend on others to make food for them. For example, green plants produce their food from a process called photosynthesis.
Living things obtain energy and food to grow but different organisms do in different ways plants depend on the sun for photosynthesis.
How do living things obtain energy?Every living thing has a unique method of getting nutrients. Protozoans and other animals are among the creatures that obtain nutrition by eating food. Through the process of photosynthesis, plants and algae produce their own sustenance.
Animals consume food and drink to get the substance and energy they require for their biological activities.
A producer is an organism that produces its own nourishment. Sugars, a source of both energy and substance, are produced by plants using the energy from sunshine.
Therefore Plants are one type of creature that can produce its own food, to obtain energy.
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If the amount of oxygen improved by a plant or measure of a 24 hour. When would you expect the greatest not a function to be produced
Answer:
After 6 hours
Explanation:
Functions in oxygen begin to decrease after 6 hours
HELP ME!!!!!
How are bacteria, a rose, and an elephant alike?
Plzz help 10 points!!!!!
Answer:
Here is your answer .
Option B Flower color is a dominant trait.
Hope it helps you . :---)
Explanation:
If Correct mark me as brainliest
plz
Which fat is most likely a solid at room temperature?
A.one that is saturated
B.one that is unsaturated
C.one with double bonds
D.one that contains no hydrogen
Answer:
one that is saturated
Explanation:
Unsaturated fat turns to liquid at room temperature. Saturated fat has do not have double bonds in their molecular structure.
what is the function of the Articular cartilage.
Answer:
Articular cartilage is a thin layer of specialized connective tissue with unique viscoelastic properties. Its principal function is to provide a smooth, lubricated surface for low friction articulation and to facilitate the transmission of loads to the underlying subchondral bone.
Brainliest pls? owo
In essence, DNA is a thin and very, very long organic molecule. It is a polymer, and each of the monomers that constitute it are called ______
Answer:
nucleotides
Explanation:
DNAs are long-chain, helical macromolecules that store genetic information They are made up of varying sequences of covalently bonded monomers called nucleotides. Four types of nucleotides make up the nucleic acid DNA, these include Adenine, Guanine, Cytosine and Thymine.
Unlike other macromolecules, these are typically not used as an energy source and only encode protein synthesis. They comprise a 5-Carbon deoxyribose sugar, one nitrogenous base (adenine, guanine thymine, and cytosine) and a phosphate group.
Nitrogenous bases encourage base-pair formation through hydrogen bonding. Adenine forms double bonds with thymine, while cytosine forms triple bonds with guanine.
Grade Science
V1.29.31
Red blood cells need iron. They store iron and typically contain more iron than the fluid around them does. Which
action would show the blood cells doing active transport?
O pushing iron out
O bringing iron in
O swelling
O shrinking
Answer:
pushing iron out
Explanation:
Excess iron will be push out of the cell to regulate the internal environment of cell, this active transport involve osmosis.
if this type of reaction occur in a plant cell, the plant cell will shrink which may/will leads to death of the plant.
Hope it is helpful
don't mind my grammatical blunders.
Thank you.
A researcher is investigating the of effects a chemical that makes thylakoid membranes permeable to hydrogen ions (H+). Which of the following is most likely direct effectof adding the chemical to plant cells?
Answer:
B. The chloroplasts will generate less ATP
Explanation:
Photosynthesis, occurs in the chloroplasts of plants. Solar energy is converted into chemical energy in the form of stable carbohydrates.
6 CO2 + 6 H2O + light → C6H12O6 + 6 O2
Carbon Dioxide + Water + Light Glucose + Oxygen
Chloroplasts, are small membrane-bound organelles of multi-folded membranes containing pigments, enzymes, and other molecules that facilitate the process. The thylakoid contains multiple folded membranes called granum stacked together. They contain light-absorbing pigments like chlorophyll.
Here, absorbed light is used in photolysis, to split water produce H+, O2 and high-energy electrons for the high-energy producing electron transport chain.
Protons are pumped into the stroma within granum, producing ATP. ∴ Without ATPase, less ATP is produced.
Chloroplasts are the membrane-bound organelles, which carry out the process of photosynthesis. The correct answer is:
Option B. The chloroplasts will generate less ATP.
Photosynthesis is the process of preparing the food in presence of sunlight. It occurs in the plant. The chloroplasts are the membrane-bound organelles, which consists of pigments, enzymes, and other molecules. The thylakoid membrane consist of stacked membranes, known as grana. The light-absorbing pigment, chlorophyll is found in grana.
The following points can be used to explain photosynthesis:
The absorbed light initiates photolysis, which is the breakdown of water molecule into hydrogen and oxygen. During photolysis, high-energy electrons are also released. These electrons are utilised in the electron transport chain to provide energy.Therefore, the permeability of the protons into the granum will yield ATP. The less ATP will be produced without ATPase.
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We use blank as the matrix through which DNA will travel. In order to physically see the samples that we put in the gel, we first have to add blank to each sample. When we have the samples loaded, we want to make sure we also add what's called a blank which acts as the standard curve in a tube; it's made up of DNA fragments of known sizes. Before running the gel, it's important to make sure that there is blank covering the gel in the gel rig. This will make sure that the electrical current runs through the gel and the gel stays cool
Answer:
This question is asking to fill in the blank spaces with the correct terms. The correct terms to the four blank spaces are:
1) GEL
2) DYE
3) DNA MARKER
4) LID
Explanation:
This question is describing the Gel electrophoresis technique which is used to separate DNA fragments using electric current. The DNA fragments of different sizes migrate through a GEL which serves as the matrix made from Agarose.
In order to physically see the samples that we put in the gel, we first have to add DYE to each sample of DNA. After loading the samples to be separated, a substance made up of DNA fragments of known sizes referred to as DNA MARKER, which acts as the standard curve in a tube is used.
Before running the gel, it's important to make sure that there is LID covering the gel in the gel rig. This will make sure that the electrical current runs through the gel and the gel stays cool.