Describe the relationship
between chlorophyll and the
color of plants.
Answer:
Plants absorb both red and purple light waves, however because purple wavelengths are shorter, they contain more energy. The green pigment involved in photosynthesis is chlorophyll . Chlorophyll is green in appearance because it absorbs red and blue light, making these colours unable to be seen.
Done!!!
What unit do Scientists use to measure force?
A Newton
B Gram
C Meters
D Seconds
Answer:
They use Newton to measure force
Explanation:
4. Is there a relationship between the number of black boxes and any of the water pumps. Be specific and detailed in your answer. .
Answer: Cholerae is fecal contamination of water, meaning people can only get this by using or drinking the contaminated water. If a water pump has the contaminated water, boxes near that water pump will seem higher than areas with clean water.
Explanation:
Explain how specific membrane-bound organelles of the keratinocytes are used to produce, transport, and modify aquaporin polypeptides from mRNA.
Answer:
Epidermis.
It is composed of keratinized, stratified squamous epithelium and is made up of 4 layers of epithelial cells depending on its location in the body. From deeper to superficial these layers are stratum Basale, stratum spinosum, stratum granulosum, and stratum corneum. The cells in all the layers except for stratum besele are called keratinocytes which is a cell that manufactures and stores the protein keratin.
Stratum Basale.
It is a cuboid-shaped stem cell that is a precursor of the keratinocytes of the epidermis. Two other cell types found in this basal cell are Merkel cells which function as a receptor and are responsible for stimulating sensory nerves that the brain perceives as touch. The second is melanocyte that produces melanin pigment which gives the skin its color.
Stratum spinosum.
It is spiny in appearance due to the protruding cell processes that join the cells via a structure called desmosome. The desmosome cell interlock with each other to strengthen the bond between the cell. Keratinocytes in the stratum spinosum stats synthesizing keratin and release water-repelling glycolipid that helps to prevent water losses from the body.
Stratum granulosum.
They are grainy in appearance due to further change in keratinocytes as they are pushes from the stratum spinosum. The cells become flat as their membrane thickens to allow the production of protein keratin which accolades as lamellar granules within the cells.
Stratum Lucidum.
It is a smooth and translucent layer of the epidermis situated above the stratum granulosum. Keratinocytes containing these cells are dead and flat. Stratum lucidum cells are packs with eleiden derived from keratohyalin which give these cells their transparency and provide a barrier to water.
Stratum corneum.
This is the most superficial layer in the epidermis and it prevents penetration of microbes and dehydration of underlying tissues.
Dermis.-This is the inner layer of the skin and has the following functions.
Reticular layer
Just below the papillary layer, we have a much thicker layer called the reticular layer composing of dense connective tissue. It contains elastin fibers providing elasticity to the skin enabling movement.
Hypodermis
Explanation:
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true or false: The main disadvantage of sexual reproduction is that it results in genetic variation among offspring.
Answer:
This statement is false.
Explanation:
it is not a disadvantage rather it is an advantage that it results in genetic variations among offspring.
During spring in Colorado, ice on the mountain tops melts into water. Some of this water gets trapped in cracks in the mountain rocks. With winter, the water in the cracks refreezes into ice. When water freezes, it expands. This often will cause the cracks in the rocks to grow, and eventually, pieces of rock break off. What type of weathering is taking place?
A.
specific heat
B.
chemical
C.
biological
D.
physical
Answer:
Physical
this type of weathering is known as freezing and thawing
Describe the
functions of the cell membrane
and cell wall
Answer:
cell membrane: provides protection for a cell . It also provides a fix environment inside the cell and the membrane has several different fonctions . One is to transport nutrients into the cell and also transports toxic substance out of the cell.
cell wall: cell wall is a structual layer sorrounding some types of cells , just outside the cell membrane . it can be tough , flexible ,and sometimes riding. it provides the cell with both structual support and protection , and also acts as a filtering machine.
Give ttwo pieces of information that scientists use to prepare evolutionary trees for living and extinct organisms
Two pieces of information that scientists use to prepare evolutionary trees for living and extinct organisms are the fossil evidence that is found on the earth and the DNA samples, as these two are helpful in the evolutionary tree representation.
What is the significance of the evolutionary tree?An evolutionary tree, or phylogenetic tree, is a diagrammatic representation that shows the relationships between different species or groups and is used to represent the evolutionary history and how organisms are related to one another through common ancestry. The evolutionary tree is important as it helps scientists understand the relationships between different species and how they have evolved over time to form new species.
Hence, two pieces of information that scientists use to prepare evolutionary trees for living and extinct organisms are the fossil evidence that is found on the earth and the DNA samples, as these two are helpful in the evolutionary tree representation.
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All organs in the human body perform important functions. Which organ controls all
of the other organs and is called the control center of the body?
stomach
B
small intestine
С
brain
D
liver
Answer:
c
Explanation:
Answer:
Well I thought it was the nervous system but that is connected/ made up of the brain so I would go for C, Brain
Order the carbohydrates from smallest to largest: Starch Glucose Sucrose
Answer:
glucose, sucrose, starch
As carbon dioxide is added to the atmosphere, more carbon dioxide also enters the ocean through diffusion. Carbon dioxide reacts with water to produce carbonic acid, which lowers the pH of the water. What effects do you think this might have on marine life?
Answer:
As the amount of carbon dioxide in the atmosphere rises, the oceans absorb a lot of it. In the ocean, carbon dioxide reacts with seawater to form carbonic acid. This causes the acidity of seawater to increase.
As we have seen, coral reefs have been bleached because of this increased in acidity
The oceans absorb a significant amount of carbon dioxide as the amount in the atmosphere increases. Seawater and carbon dioxide react in the ocean to produce carbonic acid. Seawater's acidity rises as a result of this.
What is acidification?Acidification is defined as a phenomena that happens when some chemicals release protons into the environment. Ocean acidification is mostly brought on by atmospheric carbon dioxide gas absorbing into the ocean. The pH of the water is lowered as a result, increasing the acidity of the ocean. The amount of carbon dioxide is rising due to numerous factors.
More carbon dioxide is evaporating into the ocean as a result of human-driven increases in atmospheric carbon dioxide concentrations. Currently, the ocean has an average pH of 8.1, which is basic (or alkaline), but when more CO2 is absorbed, the pH drops and the ocean turns more acidic.
Thus, the oceans absorb a significant amount of carbon dioxide as the amount in the atmosphere increases. Seawater and carbon dioxide react in the ocean to produce carbonic acid. Seawater's acidity rises as a result of this.
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Which biogeochemical cycle includes the exoskeleton and shells of marine organisms as a reservoir?
A.
carbon
B.
nitrogen
C.
sulfur
D.
oxygen
(its not oxygen)
Answer:
I think it is oxygen
Hope this helped
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What are three diseases/disorders caused by mutations?
Answer:
Three diseases/disorders caused by mutations:
ThalassemiaCystic FibrosisTay-Sachs disease
TRUE or FALSE? Respiration is the chemical reaction that living things carry out to release energy. Breathing is the movement of air in and out of the lungs
Answer:
True
Explanation:
what molecules main job is to carry the genetic code?
1. DNA
2. Protein
3. tRNA
4. rRNA
HELP I'LL GIVE BRAINLIEST
Which two factors of ocean water would have the highest density?
warm water and high salt content
warm water and low salt content
cold water and high salt content
cold water and low salt content
Answer:
cold with high salt content
What were the gases Miller and Urey
used to recreate the early
atmosphere? Choose all that apply.
methane
oxygen
hydrogen
e
ammonia
which of the following occurs when a gene is expressed
HELP PLEASE ASAP.
Why do stems have bark? What does the phloem do?
Answer:In old stems the epidermal layer, cortex, and primary phloem become separated from the inner tissues by thicker formations of cork. Due to the thickening cork layer these cells die because they do not receive water and nutrients. This dead layer is the rough corky bark that forms around tree trunks and other stems.
Explanation: wikipedia.
Which owl was most fit?
O Owl 4 laid 4 eggs, of which all 4 hatched and all 4 young successfully left the nest.
Owl 3 laid 12 eggs, of which 10 hatched and were all eaten by a squirrel.
O Owl 1 laid 8 eggs, of which 6 hatched and 5 young successfully left the nest.
O Owl 2 laid 9 eggs, of which 8 hatched and 3 young successfully left the nest.
Answer:
Owl 1 laid 8 eggs, of which 6 hatched and 5 young successfully left the nest.
Explanation:
Though consumed by millions of people, mushrooms are related to which infectious agent? A. bacteria B. fungi C. parasites D. viruses
B. fungi becaus thats just how it is
Wjat is a Shipping and packinging center mean
Answer:
Fulfillment center: Location where a product is packaged and made ready for delivery.
High-value shipping: See the FedEx Service Guide for more information on declared value maximum liability.
Insulated shipping: Packaging used to ship temperature-sensitive products, like food, to deliver product freshness. For more information, refer to the FedEx perishable shipping page.
Label: Every package has at least one label that provides useful information regarding the product, like how to use and/or transportation directions. Here are our recommendations for using custom labels to market your business.
Lead time: The time it takes for a package to arrive from point A to point B. For example: the time from a customer placing an order, to the arrival of that order at the customer’s doorstep. This includes order processing, manufacturing, and shipping time. Our shipping service portals can help lead you to specific transit
Which of the following is not one of the principles of natural selection?
O variation
O more offspring than can survive
O finite resources
O infinite resources
Answer:
Infinite resources
Explanation:
There will not always be shelter, food, water, etc...
Which of the following contains a single type of element?
gold
carrot
table salt
vegetable soup
Answer:
Gold
Explanation:
Gold is a singular element according to the periodic table. (Labeled Au), and it does not result from chemical bonds or multiple elements, like all other items listed here do.
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How did the stop codon mutation in Lucy’s ADA gene stop her ADA protein from working?
Answer:
The stop codon mutation in Lucy's ADA gene stopped her ADA protein from working by putting a hault to the process of translation.
Explanation:
This stopped it from working because it lead to a protein that was then nonfunctional.
Rocks have been found in South America that are very similar in make-up and age to rocks in South
Africa. What might this evidence tell us about the plates under South America and South Africa?
OA. All rocks are the same; they can't be used be evidence for tectonic movement.
B. The rocks were probably formed when South America and Africa were
connected.
a
Oc. The rocks were probably deposited in both places when a tectonic plate broke
up.
D. Rocks are only produced when tectonic plates move against each other and
small pieces break off.
Answer:
B.
Explanation:
Once we were one big continent, so similarities on coasts of two different continents is evidence of them being once together
5) If a body cell contains 50 chromosomes, how many
will exist in its gametes?
Answer-25
Please answer this ASAP
B
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which body structure have walls one cell thick
Answer:
CapillariesExplanation:
Capillaries. Capillaries connect the smallest branches of arteries and veins. The capillaries are where molecules are exchanged between the blood and the body's cells. The walls of capillaries are just one cell thick.The only body structure that has walls one cell thick is capillaries.
What are capillaries?Capillaries, the blood vessels in our bodies are so minuscule that red blood cells can only travel through them in a line. Comprised of a layer of cells capillaries facilitate the exchange of crucial substances like oxygen carbon dioxide, nutrients and waste materials, between the bloodstream and the surrounding tissues.
With the above details we can conclude that the body structure that has walls one cell thick is capillaries.
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Which of the following is true based on the data?
Choose 1 answer:
Wheres the data
Explanation:
Answer:
Uh sir- i dont see anything, or a picture
Explanation:
Please update a picture so i know what to awnser!