What do these images model? A. atoms B. compounds C. elements D. mixtures
Answer:
mixtures
Explanation:
ok where is the images I will be willing to reanswer if you add the images next time.
Please help
Who is karl popper and why is he important and please answer with your own word and thank you
what are 3 ways carbon can be removed from the atmosphere
Answer:
Photosynthesis, Soils, and Direct Air Capture
What is the name of the adjusting of systems within a cell to
maintain homeostasis?
a Equilibrium
b Endocytosis
C Exocytosis
d Active transport
e Homeostatic regulation
12 POINTS will mark brain least promise THIS ANSWER IS EASY IF U KNOW WHAT A DNA MODEL IS
Describe your DNA model. Which part do the straws represent? The pushpins? The paper clips and the black dots you made with the marker?
Observe the two strands of your model. Are they identical, or are they complementary? Explain your answer.
Answer:
this is a better one
Explanation:
2. Proteases are enzymes that hydrolyze peptide bonds of which type of
compound?
F. Lipids
G. Carbohydrates
H. Proteins
J. Nucleic Acids
what part of an atom is mostly empty space
Answer:
Based on this strange experiment, Rutherford proposed a new idea of what an atom is. Rutherford said that most of an atom is empty space, where negatively charged electrons orbit. The only solid part of an atom is the nucleus, where the positively charge protons are found.
Explanation:
Describe the process of asexual reproduction in the following I)Amoeba 2) Rhizopus 3)yeast 4)spirogyra
Answer:
1)Amoeba reproduces by the common asexual reproduction method called binary fission. After replicating its genetic material through mitotic division, the cell divides into two equal sized daughter cells. ... In this process, the nucleus of the Amoeba first divides to form two daughter nuclei by the process of Karyokinesis.
2)Rhizopus is the species of a fungus. They reproduce asexually by the formation of the spores. ... The sporangium is a swollen structure at the tip of the filaments bearing the spores. The spores are tough and resistant structures which are dispersed by the breaking of the sporangium.
3)Budding in Yeast .Most yeasts reproduce asexually by an asymmetric division process called budding. First it produces a small protuberance on the parent cell that grows to a full size and forms a bud. The nucleus of the parent cell splits into a daughter nucleus and migrates into the daughter cell.
4)Spirogyra species can reproduce both sexually and asexually. Asexual, or vegetative, reproduction occurs by simple fragmentation of the filaments. Sexual reproduction occurs by a process known as conjugation, in which cells of two filaments lying side by side are joined by outgrowths called conjugation tubes.
whats the percent of salt water
[tex]\huge\boxed{97}[/tex]
[tex]\text {Since 97 Percent of Ocean water is salt this leaves us with 3 percent of Fresh water.}[/tex]
[tex]\text {Earth Surface water 97 Percent is in the ocean and the remaining 3 Percent}[/tex] [tex]\text {is trapped in ice and glaciers.}[/tex]
[tex]\text {Best of Luck!}[/tex]
definition of anabolism.
Answer:
Anabolism
Explanation:
As a noun:
the synthesis of complex molecules in living organisms from simpler ones together with the storage of energy; constructive metabolism.
Anabolism is the set of metabolic pathways that construct molecules from smaller units. These reactions require energy, known also as an endergonic process. Anabolism is the building-up aspect of metabolism, whereas catabolism is the breaking-down aspect. Anabolism is usually synonymous with biosynthesis.
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Examine the diagram of a cell.
Which accurately labels the cytoplasm?
W
X
Y
Z
Answer:
Y
The cytoplasm is what holds everything together in a cell
Answer:
Y
Explanation:
Y represents cytoplasm in cell
Felix told his dad that Earth's different spheres contributed to different stages in the water cycle.
He showed that certain elements of the geosphere and biosphere can affect the amount of water in the water cycle. In what ways do the geosphere and the biosphere add water to the water cycle? Choose the two that apply.
A. Rain falls from the clouds.
B. Water evaporates from the soil.
C. Animals breathe.
D. Water evaporates from the ocean.
The dark, finger-shaped shadow is the Florida peninsula. The yellow band along the east coast of the U.S. is the Gulf Stream current flowing northward. Much of this water comes from the Equator.
What does this demonstrate?
A.
The Gulf Stream current forms in polar areas.
B.
The Gulf Stream current is the major factor that slows down evaporation.
C.
The Gulf Stream current changes weather patterns on the east coast of Africa.
D.
The Gulf Stream current transports warm water to areas of colder water.
Answer:
I think is b
Explanation:because I thing
Answer:it’s d:)
Explanation:study island
The slight attractions that develop between oppositely charged regions of nearby molecules are called ______
Explanation:
They are called, " vanderwals," forces. not as strong as covalent bonds or ionic bonds, but still exist...
The slight attractions that develop between oppositely charged regions of nearby molecules are called Van der Walls force.
When they are at a moderate distance, the molecules attract each other, but when their electron clouds begin to overlap, the molecules repel each other strongly.
Van der Walls force are forces of attraction or repulsion between molecular entities different from those that are due to the electrostatic interaction of ionic groups with each other or with neutral molecules.
That is, they are slight attractive forces that are established between electrically neutral molecules (both polar and nonpolar), but they are very numerous and play a fundamental role in many biological processes.
These form a non-covalent chemical bond in which two types of forces or interactions participate, dispersion forces (which are attractive forces) and repulsion forces.
Therefore, we can conclude that the slight attractions that develop between oppositely charged regions of nearby molecules are called Van der Walls force.
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Are tomate plants multicellular or unicellular?
Answer:
Tomato plants are multicellular.
Explanation:
Tomato plants have many organisms with many parts that work together to keep the plant alive.
Answer:
a multicellular organism
Explanation: many parts that work together to keep the plant alive
changing the ph toward the optimal ph will do what to the rate of the reaction
Answer:
in my opinion it would increase the substrate rate of reaction
Explanation:
hope I tried being helpful and thanks
Which part of our immune system takes
longer to respond but acts quicker the next
time the same pathogen attacks us?
Innate immune response
Acquire immune response
Answer:
The adaptive immune response is a slower-acting, longer-lasting, and more specific response than the innate response. However, the adaptive response requires information from the innate immune system to function. APCs display antigens via MHC molecules to complementary naïve T cells.
Explanation:
Refer to the diagram. The circle represents a eukaryotic cell and it is placed in a beaker. Cell membranes are semi-permeable.
Solution concentrations can be the same, more concentrated or less concentrated on either side of the cell membrane
82% H2O
18%
solute
25% H2O
75% solute
Figure 4
After interpreting the diagram (Figure 4), where will the water flow and what type of solution will it flow into? (SC 912 L. 143 - Sub Cat. SC 912 L. 14.2)
o Water will flow out from the cell into an isotonic solution
O Water will flow out from the cell into a hypertonic solution
Water will flow into the call from a hypertonic solution
O Water will flow into the cell from a hypotonic solution
Answer: Water will flow out from the cell into an isotonic solution
Which of the following processes accounts for genetic variation leading to species diversity?
Meiosis
All accounts for special diversity
Binary fission
Mitosis
Answer:
eu acho que é a A
um belo dia abençoado
Which statement about an isotonic solution is correct? * 7 points The solution has the same solute concentration as the cell. The solution has a higher solute concentration than the cell. A cell in the solution will lose water. A cell in the solution will gain water.
Answer:
The solution has the same solute concentration as the cell.
Explanation:
Tonicity of a solution refers to the ability for a solution to direct the flow of water into or out of a cell via osmotic process. Based on this, a solution can either be hypertonic, hypotonic and isotonic.
- A hypertonic solution is a solution in which the solute concentration is high in relation with that of an intracellular solution. Hence, water moves out of the cell.
- A hypotonic solution is a solution which solute concentration is low in relation to that of an intracellular solution. Hence, water moves into the cell.
- An ISOTONIC solution is a solution that has the same solute concentration as that of an intracellular environment i.e. equal solute concentration. There is a net water movement
(study island, helppp please)
Answer:
a
Explanation:
Answer:
C
Explanation:
I know it has to be swamp and marshes and C is the only one with both of those so
Butter is a fat that is a solid at room temperature. What type of fatty acids does butter contain? If you studied its molecular structure what would you se tht is different from fats that are liquid at room temperature
Answer:
saturated fatty acids
Explanation:
Butter is a fat that is solid at room temperature because it is a saturated fatty acid and contains 70 percent of It. Butter comes from a cow, which is an animal source.
Fats that are liquid at room temperature are unsaturated fatty acids. The molecular structure of saturated fatty acid and unsaturated fatty acid are different as saturated fatty acids lack double bonds while unsaturated fatty acids consist of at least one double bond. saturated fatty acids are linear and unbranched while unsaturated fatty acids are branched.
Hence, butter contains saturated fatty acids.
How does the cell membrane help maintain homeostasis for the cell? * 1 point By providing a circular structure for all cells By making proteins to provide the cell with energy By regulating the transport of materials in an out of the cell By storing food as future energy for the cell
Answer:
By regulating the transport of materials in an out of the cell
Explanation:
Cell members regulate homeostasis by regulating transport of material in the cell.
Cell membrane serves as boundary that separate the internal environment from the external environment in the cell, It is selectively permeable allowing some materials pass through while it regulate the passage of other material.
Molecules are transported across the cell membrane using two mechanism the active transport and passive transport.
Active transport requires the use of energy while passive transport occurs when molecules moves randomly.
The cell membrane helps maintain homeostasis for the cell by regulating the transport of materials in and out of the cell.
The cell membrane is a selectively permeable barrier that surrounds the cell and separates its internal environment from the external environment. It plays a crucial role in maintaining homeostasis, which is the stable internal balance of the cell.
One of the primary functions of the cell membrane is to regulate the movement of substances in and out of the cell. It controls the entry of essential molecules, such as nutrients and oxygen, into the cell, while also allowing waste products and other substances to be expelled. This regulation is important for maintaining the appropriate concentrations of substances within the cell, which is essential for its proper functioning.
The cell membrane achieves this regulation through various mechanisms such as passive diffusion, facilitated diffusion, and active transport. It uses specialized proteins embedded in the membrane, such as channels, carriers, and pumps, to selectively allow or block the passage of specific substances. This control over the transport of materials helps the cell maintain the optimal internal conditions necessary for its survival and function.
By regulating the transport of materials, the cell membrane helps maintain homeostasis by preventing the entry of harmful substances and ensuring the availability of essential nutrients. It also helps in maintaining the appropriate balance of ions and molecules within the cell, which is critical for various cellular processes.
In summary, the cell membrane plays a crucial role in maintaining homeostasis by regulating the transport of materials in and out of the cell, allowing for the proper functioning and survival of the cell in its specific environment.
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What level of taxonomy is MORE specific than Phylum but LESS specific than Order?
Answer:Examples of taxonomic ranks are species, genus, family, order, class, phylum, kingdom, domain, etc. A given rank subsumes under it less general categories, that is, more specific descriptions of life forms.
Explanation:
Why is the global change model important ? What does it tell us?
Answer: Climate models are important tools for improving our understanding and predictability of climate behavior on seasonal, annual, decadal, and centennial time scales. Models investigate the degree to which observed climate changes may be due to natural variability, human activity, or a combination of both.
Explanation:
Describe.akljsdljakdkafhafalkfhal
.akljsdljakdkafhafalkfhal means .akljsdljakdkafhafalkfhal
HOPE THAT HELPS !!! THANKS FOR THE FIVE POINTS!!
. A researcher confirmed her hypothesis by obtaining data through a scientific study. She published her work and results, while proudly stating she had developed a new theory. How would other scientists most likely react to this claim? A. They would support her claim of a new theory because she supported it with data. B. They would support her theory because she published her research for others to use. C. They would reject her new claim because her hypothesis probably disagrees with others' studies. D. They would reject her claim of a new theory because she was the only person to complete the scientific study.
Answer:
A. They would support her claim of a new theory because she supported it with data.
Explanation:
A scientific study is done to confirm the hypothesis which is based on scientific data. Scientific data is defined as factual information collected by doing experiments or methods for studying a specific purpose.
As shown in the question, a girl publishes her work and results based on scientific study and scientific data, so she would get support from other scientists on her claim of a new theory because she supported it with data. A new theory based on scientific data is more accurate and true.
Hence, the correct answer is "A."
Which describes one way that renewable resources differ from nonrenewable resources?
•Renewable resources make cleaner energy.
•It takes longer to replenish renewable resources.
•Renewable resources are more easily located and harvested.
•It often costs much less to produce energy from renewable resources.
Answer:
the answer is A
Explanation:
i did the exam review
brainliest plzzzz
Answer:
the answer its A
Explanation:
i did the exam review and i made a 100
1. Yeast uses photosynthesis to provide its own energy. True or False 2. Yeast has chlorophyll. True or False 3. Given the statements below, choose the one that is true about one-celled living things. 1. Under normal conditions, yeast produces spores. 2. The adult stage for one-celled organisms is usually extremely long. 3. Algae can only be unicellular. 4. Because of its size, algae does not make much oxygen for the earth.
Answer:
1. False
2. False
3. The adult stage for one-celled organisms is usually extremely long.
Explanation:
1. Yeast is a fungus that uses heterotrophic means of obtaining food. A yeast cell does not have the ability to perform photosynthesis (provide energy source) because it cannot make use of light energy from the sun. Hence, the answer is FALSE.
2. The cells of a yeast lacks chlorophyll pigment needed for the capturing of light energy. Hence, this statement is FALSE.
3. Yeast is a unicellular organism that reproduces via spores and budding. Budding is the asexual form of reproduction while they produce spores when stressed. However, the adult stage for one-celled organisms is usually extremely long.
The function of DNA is to provide energy for the cell
True
False
Answer:
yes, it's TRUE
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