Carbon is found in different forms on the Earth. It is found as carbon dioxide in the atmosphere, as carbonate and bicarbonate salts in various minerals, as well as it occurs in the elemental form of diamonds and graphite. All biotic factors are based on carbon-containing molecules like carbohydrates, proteins, fats, nucleic acids and vitamins. Carbon is incorporated into life-forms through photosynthesis which is performed in the presence of sunlight by all life-forms that contain chlorophyll. Photosynthesis converts CO2 from the atmosphere or dissolved in water into glucose molecules. These molecules are either converted into other substances or used to provide energy for the synthesis of other biologically important molecules.
The use of glucose to provide energy to living things involved the process of respiration in which oxygen may or may not be used to convert glucose back into CO2. This CO2 goes back into the atmosphere again. The process of combustion also adds to the level of carbon dioxide in the atmosphere. This percentage is said to have increased when human beings started cutting down trees, burning fossil fuels, etc. on a very large scale. Thus, carbon is cycled repeatedly through different forms by the various physical and biological activities and this cycle is therefore called carbon cycle.
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Carbon cycle is a biogeochemical cycle in which the carbon atom continously moves in the atmosphere through different forms and processes.
What is Carbon cycle?The carbon cycle is the biogeochemical cycle which describes the process through which carbon atoms continually travel from the atmosphere to back to the Earth and then back into the atmosphere. This cycle goes on repeatedly. Since our planet and its atmosphere forms a closed environment, the amount of carbon in this system does not change, it only transforms from one form to another.
The processes which takes place in carbon cycle include photosynthesis, decomposition, respiration, and combustion. Carbon cycles from the atmosphere into the plants and living things. For example, carbon is a pollutant in the atmosphere which is present as carbon dioxide gas.
Carbon moves from the plants and animals to soil. When the plants and animals die, their bodies, wood, and leaves decays which being carbon into the ground. Some of this carbon is buried and become fossil fuels in millions of years. Carbon moves from living things to the atmosphere through respiration in which they inhale oxygen gas and exhale carbon dioxide gas.
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As water is cooled from 4° C to 0° C, its density
A. stays the same
B. decreases and increases
C. increases
D. decreases
Answer:
I believe that it increases (becoming more dense)
Explanation:
Well 0°C is freezing point so I think that in that state it will become a solid from a liquid and freeze into ice.
The ribosomes’s primary function in both prokaryotic cells and eukaryotic cells is to
A. Build proteins according to the cell’s DNA instruction
B. Create RNA
C. Replicate DNA and RNA
D. Produce amino acids to be used to make tissues
_________ is required so that group of cells called tissues may have different function.
A. Cell interaction
B. Cell differentiation
C. Cell Proliferation
D. Cell Movement
Answer:
first A then B
Explanation:
The ribosomes's primary function in both the prokaryotic cells and the eukaryotic cells is to build proteins according to the cell's DNA instruction. Cell differentiation is required so that groups of cells called tissues may have different function. Thus, the correct options for 1 and 2 are A and B, respectively.
What are Ribosomes?A ribosome is the cellular machinery which is responsible for the production of proteins in a cell. There are many ribosomes in each cell, each of these ribosomes are made up of two subunits- one large and one small subunit. These two subunits lock around the messenger RNA (mRNA) and then travel along the length of the messenger RNA molecule by reading each of the three-letter codons in the mRNA molecule.
Cell differentiation is the process which is required so that the group of cells called as tissues may have different functions. Cell differentiation results into formation of different cells and organs in the body.
Therefore, the correct options for 1 and 2 are A and B, respectively.
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Which of the perspectives of science have you been exposed to the least?
Explanation:
Search it online it will help
What is the correct chronological order of the steps leading to protein synthesis?
rRNA, mRNA, DNA, protein
mRNA, DNA, rRNA , protein
DNA, mRNA, rRNA, protein
rRNA, DNA, mRNA, protein
Answer:
the third option is the right one.
Explanation:
m RNA gets its information from DNA and then sends it to rRNA which will later turn the message into a protein.
Which type of restriction enzyme is most often used in biotechnology research due to its specificity?
A. Type 1
B. Type III
C. Type IV
D. Type 11
The type of restriction enzyme mostly used in biotechnology research and applications due to it's specificity is D. Type 11
Answer:
D- type 11 is used
Select all of the meals that contain carbohydrate.
A. Bowl of chili with kidney beans
B. Meat and cheese platter
C. Bowl of ice cream with fresh blueberries on top
D. Bowl of whole wheat pasta with red sauce
E. Plate of bacon and eggs
If a physicist performs an experiment, who would likely try to replicate it?
The physicist himself
Other physicists
The family of the physicist
No one, because an experiment can never be replicated
I think the answer is the second one.
Describe the composition and structure of DNA. Include the parts of the DNA molecule, and how it is put together, including the types of bonds.
DNA is a double helix composed of nitrogenous bases, which form hydrogen bonds with each other. It also contains a deoxyribose sugar and phosphate backbone.
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Complete the following sentence: "The interior of living cells is more
than the exterior because more
ions are expelled than ions are taken in by the sodium-potassium pump."
Select one:
O a. electropositive. Nak
O b. electronegative, Na.
O C. electronegative, Na, K
O d. electropositive, Na+, K+
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The high concentration of protons in the inner mitochondrial space relative to the mitochondrial matrix represent
O
В.
77°F
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10-25 PM
7/28/2021
Answer:
i really really need the brainly points
Explanation:
sry for this answer, i need the answers for myself
Step One: Anatomical Developments
Match the following anatomical developments (A-J) with the number where they occur on the Hominin Anatomy Phylogeny (below).
A. decreased prognathism, moderate sized molars, phalanges not curved (derived), Found in South Africa, still relatively small brain (-450cc)
B. canine reduction, lower jaw tooth row shape intermediate between parallel and parabolic, have footprints explicitly displaying bipedal
patterns, curved phalanges
C. further brain expansion, decrease in teeth size, decrease in brow ridges, flattening of the face, mental eminence, vertical forehead
D. megadontia complex (huge molars, jaws, and chewing muscles), slight increase in cranial capacity (410-530cc)
E. femur and pelvis indicate capable of bipedalism
F. brain expansion, megadontia reduction, smaller less projecting face, smaller jaws
G. occipital bun common, retromolar space, robust postcrania, relatively short limbs
H. further brain expansion, reduction in teeth, face, and jaws, increased brow ridges, increased body size
1. loss of honing complex, obligate bipedalism, curved phalanges (primitive), parallel tooth row shape
J. foramen magnum position indicates likely capable of bipedalism
A. Hoomo ergaster & Hoomoo erectus
B. Hoomoo erectus
C. Hoomoo ergaster
D. Hoomoo Habilis
E. Hoomoo ergaster and Hooomo erectus
F. Hoomo Habilis
G. Hoomoo erectus
H. Hoomoo ergaster
I. Hoomoo ergaster and Hoomoo erectus
J. Hoomoo erectus
Homooo erectus fossils are found in China and Indonesia. They have widest part of brain case at cranial base.
They have reduced post canine and decrease jaw size. They have shorter forelimbs and are bipeds.
Homooo habiliss are dimorphic species which have long forelimbs and shorter forelimbs.
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Which of these is a covalent bond in which the electrons are not evenly shared?
Answer:
polar covalent bond
Explanation:
Which was ventures contribution to science
In a study involving a cell-free translation system from coli, the polyribonucleotide AUGUUUUUUUUUUUU directs the synthesis of the oligopeptide fMet-Phe-Phe-Phe-Phe. In the presence of a new class of translation-targeting antibiotics that bind to the large ribosomal subunit, the ribosomal complex forms, the initiator tRNA binds the mRNA, the second tRNA enters the A site of the ribosome, but no peptide bonds form. Which of the following is a likely function of these new antibiotics?
a. Blocks peptidyl transferase activity
b. Inhibits tRNA aminoacyl synthetase function
c. Inhibits ribosomal translocation along the mRNA
d. Prevents anticodon base-pairing with the codon
e. Blocks binding of the Shine-Dalgarno box to the rRNA
Answer:
c. Inhibits ribosomal translocation along the mRNA.
Explanation:
Initiator tRNA is thought to bind directly to P-site of small ribosomal sub unit. These tRNA are positioned at P site and remain attached to tRNA located at this site. Initiation factor helps to mediate this event.
Methylation _________of the transcriptional unit results in a __________reduction in luciferase expression, whereas methylation ________the unit causes a ________reduction in expression. The effect of methylation of the transcriptional unit may be_________ by methylation outside the unit.
A. enhanced
B. within
c. reduced
d. drastic small outside
Answer:mình nghĩ là D
Explanation:
the matter in an animal body is not capable of moving and changing without ?
Answer:
Energy
Explanation:
The matter in an animal body is not capable of moving and changing without energy.
which is an example of incomplete dominance?
a] A red flower and a yellow flower mating to produce a yellow flower.
b] A red flower and a yellow flower mating to produce a red flower.
c] A red flower and a yellow flower mating to produce an orange flower.
d] A orange flowers mating to produce an orange flower.
Answer:
c] A red flower and a yellow flower mating to produce an orange flower.
Explanation:
An incomplete dominance in biological terms means a situation where one allele doesn't totally take the expression in a gene, but rather the two parental traits combine to form a secondary trait. As a result of this, a third phenotype comes up, with the physical trait being a mix of the phenotype of the parents.
Therefore, an example of incomplete dominance is a red flower and a yellow flower mating to produce an orange flower.
Answer:D
Explanation:
D is a Orange with orange meaning its incomplete dominance because it both the same theres no other color dominance the other
What bug is this please help I found it on the ground and want to make it my pet I need answers ASAP what bug is this please
4. Which of the following are extra senses that vertebrates may have? (Choose all that apply)
magnetoreception
proprioception
baroception
o nociception
Answer:
- Proprioception
- Magnetoreception
- Nociception
The following are the extra senses that vertebrates may have:
Magnetoreception. Proprioception.Nociception.Thus, the correct options are A, B, and D.
What is Vertebrate?Vertebrates may be defined as those groups of animals that possess a backbone or spinal column. It includes mammals, birds, reptiles, amphibians, and fishes.
Magnetoreception is a sense that allows the organisms to detect the senses of the Earth's magnetic field and responds to it. Proprioception may be defined as a sort of sense that allows your body abilities to sense movement, action, and location.
Nociception may completely depend on the sensory nervous system that process in response to encoding noxious stimuli.
Therefore, the correct options for this question are A, B, and D.
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The meaning of ALARA in radiation?
Answer:
The guiding principle of radiation safety is “ALARA”. ALARA stands for “as low as reasonably achievable”.
White a paragraph comparing the organices in a to the organs in your body.
Answer:
An organ is a part of the body of a living organism perform a specific role in the body such as the stomach, the liver and many more. Organelles on other hand are like organs of the cells that are contained in the cytoplasm of cell these also have a certain specialized roles to play for the cell, and they all depend on each other. The example of the organelles are nucleus, mitochondria and many more.
* Organelles are structures inside the cytoplasm of cells
* Organs are amde up of tissues composed of group of specialized cells that, has a particular role in the body
In this experiment, you are looking at the effect of various germicides on microbial growth. The organism that you are using for this experiment is baking yeast, which is a eukaryote. Do you think that this organism would be more or less susceptible to the various germicides than a prokaryotic organism, such as bacteria?
Answer:
Less susceptible.
Explanation:
This organism would be less susceptible to the various germicides than a prokaryotic organism, such as bacteria because the form and structure of eukaryotic organism is different from the prokaryotic organism so the germicides no or less affected the eukaryotic organism so we can say that the the eukaryotic organism which is used in baking would be less susceptible to the various germicides than a prokaryotic organism.
what is full course meal?
Answer:
Full course meals are made up of three courses: an appetizer, main dish, and dessert. Also known as a three-course meal or a standard course meal, you will sometimes see restaurants offering a full menu with these three items. You can add more courses to a full course meal.
Explanation:
One way in which a virus gains control of a cell is to direct the synthesis of new viral proteins. Therefore, the synthesis of mRNA is a central issue for all viruses. How does a retrovirus like HIV that causes AIDS achieve this goal
Marianela takes a huge drink of her coffee, assuming that it is at a tolerable temperature, and the heat sears her mouth. Although the pain is so great that her reflex is to spit out the coffee, she does not do so. The reflex to spit out the coffee is inhibited at the
Answer:
This question lacks options, options are:
A) glial cell
B) interneuron
C) sensory neuron
D) motor neuron.
The correct answer is D.
Explanation:
The brain sends instructions to the muscles that control voluntary movement through nerve cells called motor neurons. The function of the motor neuron is basically to carry the information that comes from the descending pathways of the spinal cord, in order to generate an activation in the tissues of the skeletal and visceral muscles of all parts of the body. Motor neurons need the information sent to them by sensory or efferent neurons. Since in order to perform the appropriate muscle movements for the situation, our brain must receive information from the outside. By sending sensory stimulation through interoreceptors, motor neurons can regulate visceral activity, stimulating or inhibiting the activity of their effector tissues. In this way, our nervous system integrates the information from both types of neurons and allows us to move and react according to the demands and circumstances of our external context.
This is the last
What are the vestigal organs present in human body??
Answer:
Charles Darwin listed a number of putative human vestigial features, which he termed rudimentary, in The Descent of Man (1871). These included the muscles of the ear; wisdom teeth; the appendix; the tail bone; body hair; and the semilunar fold in the corner of the eye.hope it's helpful .!pls mark me in brainlistPartes del sistema linfatico
Answer:
Explanation:
Le parti principali del tessuto linfatico sono il midollo osseo, la milza, la ghiandola del timo, i linfonodi, i linfonodi e le tonsille.
characteristics between invertebrates and vertebrates in a tabular form.
Answer:
Invertebrates: Do not possess a backbone and doesn't have an internal skeleton. Has an exoskeleton. Are generally smaller than vertebrates. Possess an open circulatory system. The majority have compound eyes. Includes radial or bilateral body symmetry. Presence of a simple and unorganized nervous system. Mode of nutrition includes Autotrophic, Parasitic, and Heterotrophic. 95% of animal species are invertebrates. Flatworms, arthropods, sponges, insects are few examples of Invertebrates.
Vertebrates: Possess a backbone and has an internal skeleton. Does not have an endoskeleton. Larger than invertebrates. Possess a closed circulatory system. Do not have compound eyes. Has bilateral body symmetry. Presence of complex and highly specialized organ systems with specific functions. The mode of nutrition is usually heterotrophic. 5% of animal species are vertebrates. Mammals, fish, reptiles, amphibians, and birds are examples of Vertebrates.
Decide whether the following statement is TRUE or FALSE.
A symporter would function as an antiporter if its orientation in the membrane were reversed (that is, if the portion of the protein normally exposed to the cytosol faced the outside of the cell instead).
Answer:
False
Explanation:
Uniporters, symporters, and antiporters are membrane proteins that transport substances across cell membranes. Uniporters are proteins that carry one specific ion or molecule. Moreover, symporters are carriers that transport at least two substrates/solutes in the same direction, i.e., from one side of the membrane to the other at the same time. On the other hand, antiporters are carrier proteins that catalyze the exchange of two substrates/solutes (ions or molecules) in opposite directions at the same time. In consequence, turning around a symporter would not convert it into an antiporter, only would cause the symporter to bind two solutes on the opposite side of the membrane.
what are microorganisms? write the living and non living characteristics of virus.
Answer:
In easy word ......the virus or organism that can only be seen through Microsoft is called microorganisms
Explanation:
Those organisms which cannot be seen under naked eyes and require microscope to be seen are called micro-organisms.
The main living character of the viruses is they contain DNA or RNA as the genetic material. The main non-living character of the viruses is they can be crystallized like other chemicals
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What do you think will happen to the convention currents in the mantle if the interior of Earth eventually cools down
Answer:
No convention currents occur.
Explanation:
If the interior part of the Earth is cool down, it will leads to convection currents to stop. Due to this cool down of the earth's interior part cease the motion of the plates and the Earth would become geologically dead. Convection currents within the Earth's mantle occurs when the hot material rising upwards and then dropping back toward the core due to cooling so if the mantle is cool so no movement occurs as well as no convention currents.