The gas leaves the atmosphere as plants use it to make sugar.
Carbon dioxide is used from the atmosphere and then converted into sugar by plants by the process of photosynthesis.What is carbon cycle?The carbon cycle is way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.Plants use carbon atoms in the form of carbon dioxide that is then converted into sugar.Hence, D option is correct.
To know more about carbon cycle here
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A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. Which gas is the plant producing..
a
oxygen
b
nitrogen
c
carbon dioxide
d
hydrogen
Answer:
A
Explanation: plants give off oxygen not carbon dioxide
What is the structure in the blood vessels where gases are exchanged? (for a Biology test)
Answer:
The capillaries
Explanation:
This is where the exchange of gases , nutrients and waste occurs between the tissues and the blood due to the small pores and spaces are between the cells
Another name for a fertilized egg is a
Answer: The fertilized ovum, now called a zygote, is ready for the first mitotic cell division.
A silk fiber is made from?
Answer:
The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture).
Explanation:
Hope this helps :D ( I just copied and pasted)
Answer:
Fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons
Explanation:
Which of the following is an example of how enzymes are catalyst?
a)Enzymes can alter the free energy change (ΔG) for a chemical reaction.
b)Enzymes increase the free energy of the reactants to make the reaction go faster.
c)Enzymes provide the activation energy for the reactions they facilitate.
d)Enzymes lower the activation energy so that reactants absorb enough energy to reach transition state.
Select ALL roles that oceans can have.
Group of answer choices
land salination
heat absorption
heat distribution
land buoyancy
For all the people who dont understand: YOU CAN PICK ANYTHING THATS TRUE AND DONT ADD ANY STUPID 5TH OPTION OK?
Answer:
land salinization
Explanation:
land salinization- forms by water, soil, and salt
heat absorption - heat
heat distribution- heat
land buoyancy- venous return
Hope this helps... sooooo sorry if I got it wrong, I'm only trying to help. Good luck :)
True or False, there are genes in our bodies that stop cells dividing too
fast?
Answer:
true
Explanation:
true true true true true
Photosynthesis uses all of the following____ except
A carbon dioxide
B chemical energy
C light energy
D water
Answer:
The answer is B
Explanation:
It uses carbon, light, and water but not chemical because it doesn't produce.
Muscle cells require more protein than others cells. What organelle(s) will they probably have more of, compared to other cells?
Who knows how to do this pls answer it 100% smart pls tell me the correct answer smart people
Answer:her arm is puffy, red, and swollen
Explanation:
How is a spider's webs made?
Explanation:
spider webs produces silk thread to build their webs. The silk is produced in silk glands with the help of the spiders Spinnerets....The threads a spider used to construct its web begin as a liquid with a dry quickly in the air.
What is the main body system that regulates blood glucose levels? How does the human body return blood glucose levels to normal?
Answer:When blood sugar drops too low, the level of insulin declines and other cells in the pancreas release glucagon, which causes the liver to turn stored glycogen back into glucose and release it into the blood. This brings blood sugar levels back up to normal.
Explanation:
Which of the following is a way group behavior can help a human community survive?
Judy took some dead grass and soaked it in water for a few days. Then she looked at it under a microscope. She saw some tiny things moving around under the microscope. How could Judy tell whether what she was looking at were living things? Check all of the following that could be used to decide whether the things Judy saw were living. (
Answer:
Living Cells created from the dead grass
Explanation:
Because the water has nutrients.
How do plants synthesize high energy carbohydrates?
the plants have utilized the energy of sunlight to produce glucose (and ultimately other carbohydrates, proteins and fats) and oxygen from water and carbon dioxide.
(hope this helps ^^)
What do the three nucleotide bases on an mRNA molecule (called a codon) provide a code for?
six amino acids
two amino acids
three amino acids
one amino acid
Answer:
c. three amino acids
Explanation:
i know this from my exam in fifth grade. your welcome ;)
An mRNA is made up of the 4 nitrogenous bases A,U,C and G where the thymine is replaced by U for uracil. An mRNA molecule is made up by a codon of three amino acids.
What is amino acid ?An amino acid is made up by the acidic as well as basic group where the acidic group is carboxylic acid and the basic group is amine group.
A codon is made up by the three amino acids where the three of the amino acids together called as codon makes up a nucleotide together and the molecule it codes for makes a long chain of proteins together making up the structure of the desired machinery as per signals and the mechanisms that are assigned to it.
A codon makes up the together the amino acid and then the chain and together it makes up the protein where the long polypeptide makes up the structure that is tertiary in nature.
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Essential nutrients move through a cell membrane by both passive transport and active transport. Which of the following correctly describes the transport of materials across a cell membrane?
a) Active transport requires chemical energy to move nutrients from areas of low concentration to areas of high concentration.
b) Passive transport requires chemical energy to move nutrients from areas of low concentration to areas of high concentration.
c) Active transport moves nutrients from areas of high concentration to areas of low concentration without the use of chemical energy.
d) Passive transport moves nutrients from areas of low concentration to areas of high concentration without the use of chemical energy.
Answer:
I think it would be d.
Explanation:
up to about three thousand million years ago there was no oxygen in Earth's atmosphere today about one-fifth of the atmosphere is oxygen gas. suggest what caused this change???
pls help
Answer:
Oxygen makes up about one-fifth the volume of Earth's atmosphere today, and is a central element of life as we know it.
But that wasn't always the case. Oxygen, although always present in compounds in Earth's interior, atmosphere, and oceans, did not begin to accumulate in the atmosphere as oxygen gas (O2) until well into the planet's history. What the atmosphere was like prior to oxygen's rise is a puzzle that Earth scientists have only begun to piece together.
Earth coalesced a little more than 4.5 billion years ago from bits of cosmic debris. Liquid oceans existed on the planet almost from the beginning, although in all likelihood they were repeatedly vaporized by the massive meteorites that regularly clobbered the planet during its first 700 million years of existence. Things had settled down by 3.8 billion years ago, when the first rocks that formed under water appear in the geologic record. (They exist in what is now southwest Greenland.)
If Earth had water, it must have had an atmosphere, and if it had an atmosphere, it must have had a climate. What was Earth's early atmosphere made of? Nitrogen (N2), certainly. Nitrogen makes up the bulk of today's atmosphere and likely has been around since the beginning. Water vapor (H2O), probably from volcanic emissions. Carbon dioxide (CO2), also emitted by volcanic eruptions, which were plentiful at that time. And methane (CH4), generated inside the Earth and possibly also by methane-producing microbes that thrived on and in the seafloor, as they do today.
Carbon dioxide, water vapor, and methane played an important role in Earth's subsequent development. Four billion years ago, the Sun was 30 percent dimmer, and therefore colder, than it is today. Under such conditions, Earth's water should have been frozen, yet clearly it wasn't. The water vapor, carbon dioxide, and methane acted as greenhouse gases, trapping heat and insulating the early Earth during a critical period in its development.
Of oxygen, meanwhile, the early atmosphere held barely a trace. What did exist likely formed when solar radiation split airborne molecules of water (H2O) into hydrogen (H2) and oxygen (O2). Hydrogen, a lightweight gas, would have risen above the atmosphere and slowly been lost to space. The heavier oxygen gas, left behind, would have quickly reacted with atmospheric gases such as methane or with minerals on Earth's surface and been drawn out of the atmosphere and back into the crust and mantle. Oxygen could only begin to accumulate in the atmosphere if it was being produced faster than it was being removed'—in other words, if something else was also producing it.
That something was life. Although the fossil evidence is sketchy, methane-producing microbes may have inhabited Earth as long ago as 3.8 billion years. By 2.7 billion years ago, a new kind of life had established itself: photosynthetic microbes called cyanobacteria, which were capable of using the Sun's energy to convert carbon dioxide and water into food with oxygen gas as a waste product. They lived in shallow seas, protected from full exposure to the Sun's harmful radiation. (To learn more about these organisms and the fossil evidence for them, watch the accompanying video "Early Fossil Life.")
Change TCA-GAT from DNA into mRNA
Answer:
AGU-CUA
Explanation:
An mRNA sequence is made using a DNA sequence as a template. The sequence is dictated by complementary base pairing.
DNA uses the bases A, T, C and G. A is complementary to T and G is complementary to C.
RNA uses the bases A, U, C and G. A is complementary to U and G is complementary to C.
When transcribing DNA to RNA:
C is paired with GG is paired with CA is paired with UT is paired with ATherefore, TCA-GAT is transcribed to AGU-CUA
The presence or absence of freckles is determined by one gene. The allele for freckles (F) is dominant and the allele for the absence of freckles (f) is recessive. A couple has several children. All of the children have freckles because their parents' genotypes can only produce children with freckles. Which of these are most likely the genotypes of the two parents?
Group of answer choices
A: ff and ff
B: Ff and ff
C: FF and ff
D: Ff and Ff
what are energy-giving nutrients
Answer:
The nutrients that provide energy are commonly referred to as macronutrients (carbohydrates, lipids, and proteins). Carbohydrates and proteins provide a similar amount of energy per gram of food.
Explanation:
The law of conservation of mass states that:
O Mass can be created but energy can only be transferred
O Energy can be created but mass can only be transferred
Matter and energy cannot be created nor destroyed, only transferred
Matter and energy can be created and destroyed, not transferred
Answer:yesThe law of conservation of mass states that:
O Mass can be created but energy can only be transferred
O Energy can be created but mass can only be transferred
Matter and energy cannot be created nor destroyed, only transferred
Matter and energy can be created and destroyed, not transferred
Explanation:
Environmental influences begin at birth and continue throughout life.
Please select the best answer from the choices provided
True or False.
Answer:
On ed2020 the answer is false.
Explanation:
Fossils provide a record of animals that are ___ or no longer living
A. Petrified
B. Extinct
C. Modern
Answer:
B. Extinct
Explanation:
Exctinct means no longer exists.
In this case, fossils provide the proof that exctinct animals species used to exist but no longer do. For example, dinosaurs are the prime example of this.
1. Animal cells have all of the following except:
Answer:
chloroplasts And Cell Wall
Explanation:
Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
Answer:
I assume this is your question since I have seen this before.
Animal cells have all of the following except ________.
A. mitochondria
B. chloroplasts
C. a nucleus
D. Golgi apparatus
Answer: B
Explanation:
There are no choices to answer your following question, Please edit your question with a picture of answer choices or type it out properly next time. That will be greatly appreciated.
What type of anaerobic respiration do humans go through?
Answer:
lactic acid fermentation.
Explanation:
Anaerobic respiration occurs when the amount of oxygen available is too low to support the process of aerobic respiration. There are two main types of anaerobic respiration, alcoholic fermentation and lactic acid fermentation.
Answer:
The answer for this question is lactic acid fermentation.
Explanation:
When we exercise, we have a lot of lactic acid already built in the muscles. This lactic acid needs to be oxidized into carbon dioxide and water. This is the reason why we start to breathe heavily after a workout session, because since we have a built up of lactic acid, the lactic acid now needs oxygen to be broken down.
Please help me
Where in a cell does most ATP production take place? Question 6 options:
A. nucleus
B. mitochondria
C. lysosomes
D. cell wall
Answer:
The answer is B mitochondria
Explanation:
Most of the ATP in cells is produced by the enzyme ATP synthase, which converts ADP and phosphate to ATP. ATP synthase is located in the membrane of cellular structures called mitochondria.
glucose molecules moving through protein channels is an example of what type of transport
A- Facilitated diffusion
B- Active transport
C- Passive transport
D- Osomosis
Answer:
B-active transport
Hope it will help
Thank you
Describe the design solution engineers and scientists developed to prevent contamination of Cleve
Answer:
Water_Work_Conservation.MAJELA.Answers.docx - 1 Describe...
Explanation:
the answer is in this link
What is the function of a protein?
Explanation:
Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place, and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance.
Hope this helps!! :)
