Chemicals like Titanium dioxide and photovoltaic cells are artificial chemicals that behave like chlorophyll.
What do you mean by Artificial chemicals?Artificial chemicals may be defined as chemicals that are synthesized by the activity of humans and their processes.
The nanoparticles of titanium dioxide have the ability to increase the light-capturing potential of a surface, while a photovoltaic cell enables sunlight to be processed into usable electricity by exciting outer shell electrons on some metals. These substances also behave naturally and initiate the reactions in the reaction center present in the chloroplast.
Therefore, Chemicals like Titanium dioxide and photovoltaic cells are artificial chemicals that behave like chlorophyll functionally.
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members of the animal and plant kingdoms are eukaryotic and multicellular. What is one way you can differentiate between a plant cell and an animal cell
Answer:
Plant cells have cell walls.
Explanation:
While both plant cells and animal cells have cell membranes, only plant cells have a cell wall, the hard outer shell of the cell.
Answer:
plant cells have cell walls and chlorophyll
Explanation:
animals do not have cell walls or chlorophyll so if the cell has either those two things, you know it's a plant cell.
80 POINTS
What does Eureka mean, and who is famous for using the word and why?
What was so clever about what Archimedes did?
Answer:
Explanation:hhjnj
BRAINLIEST!! Are frogs amphibians or reptiles?
Answer:
amphibians
Explanation:
amphibians are organisms that can survive both in and out of water
Which statement describes a similarity between asexual reproduction and sexual reproduction? Both processes involve fertilization. Both processes involve cell division. Both processes produce genetically identical offspring. Both processes require two parents.
Answer:
The correct answer is B. Both processes involve cell division.
Explanation:
Both asexual and sexual reproduction involve cell division; they are means of creating offspring.
Only sexual reproduction involves fertilization, so we know that choice A is incorrect. Only asexual reproduction produces genetically identical offspring, so choice C is also incorrect. Finally, only sexual reproduction requires two parents, so choice D is not correct either.
This leaves us with choice B as the correct answer.
Hope this helps!
Answer:
Answer is B
Explanation:
I got 92%, so there's a 2/25 chance that this answer is wrong, pls tell me if it's wrong
Water, a stable liquid, is formed when two flammable gases, hydrogen and oxygen, combine. What has happened?
O An atom has been created.
O A compound has been created,
O A mixture has been created,
An element has been created
Answer:
A compound has been created
Explanation:
Remember you cannot create an atom nor can you create an element so An atom has been created and An element has been created is incorrect. Also, a compound is something that is chemically bound and cannot be separated unless applied a chemical change, which is applicable to water. It cannot be a mixture since mixtures can be separated physically, which you can't do with water.
What is lost to the environment at each of the trophic levels of this ecosystem?
Answer:
90% of energy
Explanation:
only 10% of energy is passed on to the next trophic level.
As a scuba diver descends toward the bottom of the ocean, she experiences the sensation of her ears "popping." Based on your observations from the Can Crush Lab, why would this happen?
A. Decreased pressure inside the diver's oxygen tank causes pressure on the diver's ears.
B. Increased pressure inside the diver's oxygen tank causes pressure on the diver's ears.
C. Pressure increases on the diver as the diver descends deeper underwater.
D. Pressure decreases on the diver as the diver descends deeper underwater.
Answer:
C. Pressure increases on the diver as the diver descends deeper in the water.
Explanation:
Due to the pressure of the water on the diver she feels the pressure on her ears. Just like the same feel of going up a steep hill.
Answer:
C. Pressure increases on the diver as the diver descends deeper in the water.
Explanation:
Which list below correctly shows the levels of organization in an organism from left to right? organs, tissues, systems, cells, organisms tissues, cells, systems, organs, organisms organisms, cells, tissues, organs, systems cells, tissues, organs, systems, organism
Answer:
Cell-tissue-organ-organ system and finally an organism
Explanation:
The list that correctly shows the levels of organization in an organism is from left to right is :
Cell --> Tissue ---> Organ ----> System -- > Organism
The cell is the basic unit of life, a group of similar cells performing similar functions make up a Tissue. While tissues perform more specialized functions when compared to cells.
Tissues make up an organ while a system like Digestive system , respiratory system, reproductive system are made up of a group of organs performing similar functions. The collection of all systems make up an organism.
Hence we can conclude that the list that correctly shows the levels of organization in an organism is from left to right is Cell --> Tissue ---> Organ ----> System -- > Organism
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Which distance is the greatest
Answer:
you have to be more specific we don't know what you are talking about.
Explanation:
Need help etm class
Which of the following pairs is not a correct monomer/polymer pairing?
A. Monosaccharide/polysaccharide.
B. Amino acid/protein.
C. Triglyceride/cellulose.
D. Nucleotide/DNA.
E. Nucleotide/RNA.
Answer:
He is right i took the test
Explanation:
Anabolic steroids are used to build muscle mass quickly. Why are they called “anabolic?”
Answer:
Anabolic steroids are synthetic, or human-made, variations of the male sex hormone testosterone. The proper term for these compounds is anabolic-androgenic steroids. "Anabolic" refers to muscle building, and "androgenic" refers to increased male sex characteristics. Some common names for anabolic steroids are Gear, Juice, Roids, and Stackers.
Review what you know about the Activation Energy Graph for enzyme reactivity:
summarize in 3 statements in the space to the right of the graph.
Pls answer ill give brainliest if its on top of your account tag
4. Which level of organization is made of similar cells working together?
For example, many muscle cells working together.
Describe two examples of non-living things that have one or more of these characteristics of life.
Living organisms are distinguished from non-living things as they have the property of life.
Living organisms have important features that differs them from non-living things. For example., growth, reproduction, movement, sensitivity and death are few among many.
Growth is the unique property where a living organisms grows in size and volume.
Reproduction is another important characteristic where a living organism reproduces one of its own kind.
Living organisms move from one place to another which is not observed in non-living things.
Living organisms are sensitive to stimulus from the outer environment and respond accordingly. The stimulus can be touch, smell, temperature etc.
Living organisms have the characteristics of aging and senescence. They ultimately die.
Therefore, living organisms are different non-living things in many distinct ways.
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A scientific observation is different from a inference. An inference involves a degree of probability that an scientific observation does not. Elaborate on this statement.
A) An inference is a statement that goes beyond what can be observed.
B) An inference provides the closest approach to certainty without actual observation.
C) An inference is a prediction based on new knowledge that you acquire from research.
Eliminate
D) An inference is the result of running one or more tests about what you believe to be true.
Answer:
C) An inference is a prediction based on new knowledge that you acquire from research.
Eliminate.
Explanation:
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Answer:
A) An inference is a statement that goes beyond what can be observed
Hummingbirds can hover in midair by flapping their wings 15-80 times per second depending on the species. Which organelle would you find an abundance of in the muscles of their wings?
Answer:
Mitochondria
Explanation:
This vigorous activity is powered by organelles known as mitochondria.
I need help with this so hard emt class
Answer:
I can give u a advice
Ctrl + U
Click this and go to da bottom of page u can see da answers there
If u have any questions ask me
in eukaryotic cells, dna replication occurs in the
Answer:
inside the nucleus
Explanation:
dna replication in eukaryotic cells occurs in the nucleus
Ancient Greek philosophers spent lots of time thinking about science and imaging explanations for the natural world. What part of the scientific process did they need to do
Answer:
Experiments
Explanation:
The ancient Greek philosophers spent more time philosophising and thinking about scientific explanations to phenomena in the natural world.
How ever, they relied solely on reasoning while attempting to explain scientific observations. Contemporarily, science is highly empirical. The scientific process can only be complete when scientific observations are subjects to rigorous experiments in order go determine the actual relationship between variables and provide better explanation for scientific observations.
Hence the ancient Greek philosophers should have used experiments rather than sole reason in proffering scientific explanations to natural phenomena.
Answer:
Experiments
Explanation:
The ancient Greek philosophers spent more time philosophising and thinking about scientific explanations to phenomena in the natural world.
The first step of the scientific process is
A. Making an observation
B. Testing a hypothesis
C. Communicating your findings in a journal
Answer:
A. Making an observation
Explanation:
Before you can communicate findings, you first need to have findings. And before you can test a hypothesis, you first need to come up with a hypothesis, which can be done by first making an observation.
Which of the following substances would you expect to find in a cell that uses active transport?
a. many mitochondria near plasma membrane
b. many lysosomes throughout the cell
c. a higher concentration of sodium ions in the cell
d. an extensive rough E.R. throughout the cell
e. filled with ribosomes
Answer:
a. many mitochondria near plasma membrane
Explanation:
Classification systems:
Can somebody help me please
Are all the same
Are all different
May vary with the taxonomists
None of these
Explanation:
Classification system are system with distribution of classes created according to common relations or affinities.
Where would Igneous rocks that have crystals that are small, like "salt and pepper" have
cooled?
What is a disadvantage of a 2D model of the digestive system?
Answer:
The disadvantage of 2D model of the digestive system is that it decreases cell to cell interaction and it is not a very important biological model.
Explanation:
The 2D model does not show quality similarity and resemblance to the main digestive system and also fail to reveal the interaction of cell surfaces of each other, it does not provide the quality detail of biological systems in digestive systems and this model is not very important or relevant biological model because It does not provide quality detail.
Viruses use host cells to replicate. How do viruses "recognize" host cells?
Answer:
Enveloped eukaryotic viruses recognize host cells through specific interactions between viral envelope proteins and host cell surface receptors.
A student performed a lab investigation to determine the effect of temperature on the heart rate of a water flea. What is the independent variable in the investigation? * o specie of flea O temperature O heart rate N O size of flea answer
Answer:
B. Temperature
Explanation:
The heart rate depends on the temperature so the heart rate is dependant and the one that changes is independant
What happens to blood once oxygen hits and why?
Answer:it changes colour
Explanation:
When blood passes through the lungs, the hemoglobin absorbs oxygen from the air we breathe and turns bright red. Our heart then pumps this blood all over the body. When it reaches its destination, the oxygen is released from the hemoglobin, and the hemoglobin turns a darker red-brown.
1) A class collected water samples from a nearby pond and wants to observe the samples for
microorganisms. Which microscope would be the most appropriate for the students to use?
A. Dissecting microscope
B. Compound light microscope
I
C. Transmission electron microscope
D. Scanning electron microscope
Answer:
Compound light microscope
Explanation:
This is the ideal microscope because it requires the passage of harmless beam of light through the specimen.Since the pond contain living creatures this is best to use.
C and D both require the transmission of beam of electrons through a sample. D depends on the reflection of the electron after scanning the specimen surfaces and sent this to the lenses of the observer.(C)involved the passing of the beam of electrons through the specimen the interaction of the electrons with the atoms in the specimen(,therefore in both cases these specimens can not be wet and living.
The specimen should be dry in both cases and therefore non -living ,because the chamber for the specimen must be a vacuum,and living organism can not survive in the vacuum. Thus pond water can not be used as specimen because the specimen in the water but me be living.
What is the Richter Scale?
Answer:
The Richter scale is a numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations. The more destructive earthquakes typically have magnitudes between about 5.5 and 8.9; the scale is logarithmic and a difference of one represents an approximate thirtyfold difference in magnitude.
Explanation:
Answer:
a numerical scale for expressing the magnitude of an earthquake
Explanation: