What component of Earth’s atmosphere exists entirely as a result of photosynthesis?
oxygen gas
water vapor
nitrogen gas
carbon dioxide gas
Answer: Oxygen
Explanation: Oxygen is primarily produced by photosynthesis.
Answer:
oxygen gas
Explanation:
during the process of photosynthesis in plants the final product is oxygen gas
Explain how a change in the sequence of nucleotides in a strand of DNA might cause a protein to malfunction
Answer:
As a result of a change in the sequence of nucleotides in a strand of DNA (Deoxyribonucleic acid), the amino acids also change in the final protein which leads to protein malfunction.
Explanation:
As a result of a change in the sequence of nucleotides in a strand of DNA (Deoxyribonucleic acid), the amino acids also change in the final protein which leads to protein malfunction. If insulin does not work correctly, it may not be able to bind to the insulin receptor.
DNA contains genetic information. It has a double helix structure.
What type of cell transport is shown in the figure below?
Answer:
facilitated diffusion
Which macromolecules provides quick energy breakdown?
Answer:
carbohydrates provide quick energy
What are three functions all cells perform
Answer: Energy Generation
Molecular Transport
Reproduction
Explanation:
Energy Generation-Living cells exist in a perpetually active biological state. ...
Molecular Transport - Each cell is surrounded by a membrane that delineates its boundaries and acts as a gatekeeper, controlling the movement of molecules into and out of the cell. ...
Reproduction-Living cells exist in a perpetually active biological state. All cells require energy to conduct the activities necessary to stay alive
PLEASE PUT IN YOUR OWN WORDS
Describe the structure of an amoeba .....in short form
Answer:
Structure of amoeba primarily encompasses 3 parts – the cytoplasm, plasma membrane and the nucleus. The cytoplasm can be differentiated into 2 layers – the outer ectoplasm and the inner endoplasm. The plasma membrane is a very thin, double-layered membrane composed of protein and lipid molecules.
Explanation:
:)
Answer:
The structure of amoeba is primarily composed of 3 parts – the cytoplasm, plasma membrane, and the nucleus.
Explanation:
Hope this helps!
Match each tool with its influence on science
Answer:
xray - allows scientists to see dense structures
Microscope - view things that cannot be seen with the naked eye
Telescope - stars, planets and black holes
Ultrasound - see inside the body in real time
Explanation:
Xrays shows highlights dense structures within the body (bones). But is not in real time, usually there images that are captured and reviews later.
Microscope - the clue is in the name, think micro= tiny! Therefore cant be seen by the naked eye. The "scope" part of the word means to look at or observe. So put them together and you get to look at or observe tiny things.
Telescope - the first part of this word "tele", means something far away or at distance. Which gives a clue at what it does, add on the "scope" meaning of to look at or observe and you get; to look at or observe something that is far away.
Ultrasound - this is what is used to monitor the health of babies when they're still developing. It can be seen in real time.
X-rays enable researchers to observe dense formations. View objects using a microscope that is invisible to the eye. Telescope: black holes, planets, and stars see into the body in real-time using ultrasound.
What is the tool microscope's influence on science?X-rays depict the body's dense internal architecture (bones). But it's not in real-time, typically, pictures are taken and then looked at afterward.
The name of the instrument, "microscope," gives it away—think small! as a result, not visible to the eye. The word "telescope" refers to anything far out or remote in its first half.
When a baby is still developing, their health is monitored using ultrasound technology.
Therefore, view objects using a microscope that is invisible to the eye.
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How might this change affect the structure and function of the protein?
Answer:
Explanation:
Three-dimensional folding of a protein is due to interactions among the R groups of the amino acids. Cysteine has a sulfhydryl group, which may form a disulfide bridge with another part of the polypeptide chain. Valine has no sulfhydryl group and is nonpolar, which will affect how the polypeptide will fold.
A scientific theory states that something will happen. _______________
True or FALSe ?
Answer:
False
Explanation:
It state how or why something will happen.
Cells that actively produce proteins will contain large numbers of?
Answer:
Mitochondria
Explanation:
Because mitochondria is the power house of the cell, hence it provides energy.
Which describes a way that water cycles through organisms? O A. Waves collide onto a beach. B. A plant is eaten by an animal. C. Rain falls from clouds. O D. A rock breaks in a rainstorm.
Answer:
B.) A plant is eaten by an animal.
How is oceanic crust formed?
Answer:
it is constantly formed at mid-ocean ridges, where tectonic plates are ripping apart from each other.
Which structures are not found in simple leaves?
Answer the following:
Answer:
1. they are simply arranged differently
2. 3 billion letters, could fill 5,000 books
3. 100 trillion cells
4. 99% of us have the same genetic code 0.1% of it is diffrent
Answer number 12please
Answer:
A. Ingestion ->Digestion ->Egestion
15 POINTS!!!!! Select ALL the correct answers.
Honey fungi grow on the bark of certain trees. The fungi get their energy by absorbing nutrients from the tree. The fungi have a parasitic relationship with the tree. What are two likely effects of this parasitism?
1. The tree will be damaged.
2. The capacity of the tree to reproduce will increase.
3. The growth capacity of the tree will be affected.
4. The tree’s energy requirements will be reduced.
Answer:
3 and 4
Explanation:
Answer:
3 and 4
Explanation:
just do it is right and I did a test on it and got a A+
so just go with it.
which would a scientist most likely examine to locate gene mutations?
Answer:
Single base pair mutations can be identified by any of the following methods: Direct sequencing, which involves identifying each individual base pair, in sequence, and comparing the sequence to that of the normal gene.
DNA is the molecule which is most likely to be examined to locate gene mutations. Thus, the correct option is A.
What are Gene mutations?Genetic mutations are the changes to the DNA sequence which happen during the process of cellular division when the cells make copies of the DNA molecules. The DNA molecule tells body how to form and function well.
Genetic mutations are the changes which could lead to genetic conditions such as cancer, or they could help the humans to better adapt to their environmental conditions over a period of time.
Mutations can be of many different types, such as substitution, deletion, insertion, and translocation of the genetic sequence.
Therefore, the correct option is A.
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Which of the following is not an example of mechanical control of nonnative species?
a.
pulling
b.
inspections
c.
net barriers
d.
mowing
Answer:
it's A
Explanation:
Answer:
A. PULLING
Explanation:
Edg 2020
In order for a new species to develop, there must be a change in the
А) migration patterns of a population
B) genetic makeup of an existing species.
С) rate of succession in the environment.
D) temperature of the environment.
Answer:
its B, have a good day
Explanation:
termites are insects that feed on wood, which contains cellucose. scientist have observed that some termite species prefer wood that has been attacked by fungi. Construct an explanation for this observation
Answer:
In this observation, the termites and the fungi rely on each other in order for survival. In other words, they have a symbiotic relationship. This type of fungi helps the termites by digesting cellulose from the wood since termites are unable to digest it. In turn, the termites provide the fungi an environment where they can be cultivated. This explains why termites prefer a wood that was inhabited by fungi.
RESULT
In this observation, the termites and the fungi rely on each other in order for survival. In other words, they have a symbiotic relationship. This type of fungi helps the termites by digesting cellulose from the wood since termites are unable to digest it. In turn, the termites provide the fungi an environment where they can be cultivated. This explains why termites prefer a wood that was inhabited by fungi.
Explanation:
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What is the diffrence between type 2 and type 1 diabietes
Answer:
People with type 1 diabetes don't produce insulin. You can think of it as not having a key. People with type 2 diabetes don't respond to insulin as well as they should and later in the disease often don't make enough insulin. You can think of this as having a broken key.
What are two ways that variation can be described?
Answer:
varyatio of somthing and multiple varitons of it
Explanation:
The two ways that variation can be described are meiosis and evolution, because in the meiosis process, sexual reproduction occurs, and in the evolution process, changes in animals are seen and variation is observed.
What is variation?When sexual reproduction occurs, there is variation seen because in meiosis genes cross over and recombinate, resulting in variation in offspring from their parents, but it is absent in asexual reproduction that is caused by mitosis or binary fission because here there is no variation in the offspring and the parents. The process of evolution introduces variation because, along with environmental factors, the animal genes are influenced too.
Hence, the two ways that variation can be described are meiosis and evolution, because in the meiosis process, sexual reproduction occurs, and in the evolution process, changes in animals are seen and variation is observed.
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What process brings energy and matter into living systems
Answer:
Photosynthesis
Explanation:
This is a role in the cycling of matter and flow of energy into and out of organisms. The flow of energy and cycling of matter can be traced.
The origin of a muscle is generally:
ОА.
The stable and proximal attachment.
B. The stable and distal attachment.
O C.
The moveable and distal attachment.
D.
The moveable and proximal attachment.
The components of blood can be separated by spinning them at high speed.
Figure I shows a tube of blood that has been separated in this way.
Figure 1
substance X
white blood cells and platelets
red blood cells
- Identify the substance labelled X.
Answer:
Plasma
Explanation:
We don't have the figure, but I think the answer is probably plasma.
Blood plasma is the fluid that blood cells are suspended in. When blood is spun at high speed, the cells separate away from the plasma into different layers because of their different weights and shapes.
Plasma is liquid portion of blood. It transports nutrients and wastes and maintains homeostasis.
energy needed to get a reaction started is called ?
Answer:
Activation Energy
Explanation:
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1. clumped population dispersal ___ resources
a) share
b) compete
c) are independent of
d) disperse
2. The level in which a population can no longer grow due to limited resources is referred to as,
a) K, carrying capacity
b) L, limited growth rate
c) D, death rate
d) N, no more nutrients
3.Most life on Earth exhibits which form of population growth curve?
a) logistic
b) exponential
c) algebraic
d) deductive
Answer:
compete
limited growth rate
logistic
Explanation:
1) Explain what a covalent bond is.
Answer:
its a chemical link between two atoms or ions in where the electron pairs are shared between them :)
Explanation:
Jill is preparing to cook a family dinner, and she begins by gathering ingredients for the
main course and dessert. She realizes that most ingredients go through both physical
and chemical changes as they cook.
One of the ingredients for her main course undergoes physical changes. Which of the
following is a physical change?
boiling water
cooking eggs
O grilling hamburgers
O baking bread
Answer:
Boiling water
Explanation:
Boiling water is an example of physical change as it does not cause any change in the chemical composition of water.
What are physical changes?Physical changes are defined as changes which affect only the form of a substance but not it's chemical composition. They are used to separate mixtures in to chemical components but cannot be used to separate compounds to simpler compounds.
Physical changes are always reversible using physical means and involve a change in the physical properties.Examples of physical changes include melting,boiling , change in texture, size,color,volume and density.Magnetism, crystallization, formation of alloys are all reversible and hence physical changes.
They involve only rearrangement of atoms and are often characterized to be changes which are reversible.
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