Answer:
Most plants appear green because they absorb all other colors of light and reflect back green into our eyes. Since chlorophyll molecules use the red (opposite of green) end of the visible light spectrum to complete photosynthesis, then red is most heavily absorbed.
Chlorophyll gives plants their green color because it does not absorb the green wavelength of white light which is the light wavelength reflected from the plant, so it appears green.
What is Chlorophyll?The green color of many plants and algae is due to chlorophyll. Chlorophyll is defined as concentrated within organisms in structures called chloroplasts.
It is the green pigment in plants, algae and cyanobacteria that is essential for photosynthesis. The central structure is an aromatic porphyrin or chlorinated porphyrin ring system with a chelated magnesium atom.
Chlorophyll is formed in several different forms where chlorophyll a and b are the major types found in higher plants and green algae; Chlorophylls c and d are found mainly with a in various algae while the Chlorophyll e is a rare type found in some golden algae and bacterio-chlorophyll is present in some bacteria.
Thus, Chlorophyll gives plants their green color because it does not absorb the green wavelength of white light which is the light wavelength reflected from the plant, so it appears green.
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Help MEEEE PLEASEE........
Answer:
Z
Explanation:
Because it includes various other ecosystems
Which three minerals are most commonly found in the igneous rock granite?
Answer:
Granites and rhyolites consist predominantly of quartz and potash feldspar; gabbros and basalts, predominantly of pyroxene and plagioclase feldspar. Other rock types have intermediate mineral compositions.
Explanation:
It is made up of sodium feldspar, potassium feldspar, and coarse quartz grains (10–50%). More than 80% of the rock is composed of these minerals.
What is igneous rock granite?Granite is a pale-colored plutonic rock that is mostly found in mountainous regions of the continental crust.
Quartz and potash feldspar make up the majority of granites and rhyolites, whereas pyroxene and plagioclase feldspar make up the majority of gabbros and basalts. Other types of rocks contain mineral compositions that are in between.
Magma, which is a molten substance that flows and hardens underground while slowly cooling, is the source of intrusive rocks.
Therefore, the majority of the continental crust is composed of granite, the most common kind of igneous rock, intrusive igneous rock is granite.
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Which of the following are produced in cellular respiration, light, oxygen, glucose, atp
Answer: ATP
Explanation: ATP is produced in cellular respiration for the cells to use. (think of ATP as energy that cells need in order to function/work properly) Glucose is what is used in cellular respiration TO MAKE ATP/energy NOT what is produced^^
As part of a laboratory experiment in his psychology course, Miguel is observing the activity of a recording electrode on the axon of a neuron. As an action potential
occurs what might Miguel observe?
A The axon will release neurotransmitters into the synapse.
B. The avon will remain at threshold potential as negative ions continue to flood the cell.
OC The decial charge of the neuron will go from positive to negative before returning to threshold potential.
OD. The curical charge of the neuron will go from negative to positive before returning to resting potential
Answer:
The correct answer is D
Explanation:
A resting neuron has a voltage across its membrane, which is referred to as resting potential. This resting potential is caused by concentration gradients of ions across the membrane. A neuron returns to the threshold potential by the movement of positive ions (especially K+ ions) through channels that stay open to exit the neuron.
Help please I’ll give brainliest only if you are right
Answer:
1 st question ) Lack of food and oxygen and the presence of wastes limit their growth.
he cell cycle is essential for ensuring that our cells don't grow too large. Explain why it is necessary for cells to remain small in size.
Answer:
it is necessary for cells to remain small in size because they need to keep a surface area to volume ratio that allows for adequate intake of nutrients and exchanging materials between the inside and outside of cells.
Cells are small so they can have an efficient surface area to volume ratio. This is going to allow the cell to easily excrete waste product.
That is why the cell needs to be small. The smaller it is, the larger the surface area to volume ratio is.
air pollution is a
__________ to survival
Answer:
needed
Explanation:
its pretty mandatory lol
pls help everyone is using me for points if you use me for points I'll report (;
Answer:
OH LOL I DID THIS IN 7TH GRADE
Explanation:
so if i remember when the trees where white the pepper moths that where white survived more often that the black ones, then when the industrial war came the trees where covered in ash, so the white moths survived
MY SENTENCE
It shows how a change in an environment can effect a species natural selection, for example the white moths survived more than the black moths so the reproduced while the black moths where eaten by predator's, then when the environment changed and favored the black moths they survived and reproduced while the white moth got picked off by predators.
Hope this helped mate :>
**A Punnett square should be used to find each answer.**
1. What is the chance that their child would have unattached earlobes? ¬¬¬_____
2. Beyonce has a straight hairline, which is a recessive trait. Bruno also has a straight hairline. What is the chance that their child would have a widow’s peak? _____
3. Beyonce has no dimples (Dd). Bruno has dimples, which is a recessive trait. What is the chance that their child would have dimples? _____
4. Beyonce has a cleft chin (CC). Bruno has a smooth chin, which is a recessive trait. What is the chance that their offspring would have a smooth chin? ____
5. Beyonce and Bruno are both heterozygous for brown eyes. What is the genotypic ratio for their offspring?
Answer:
100%
100%
50%
100%
75%
Explanation:
dont use the exact words so u can avoid plagerism lol
Complete dominance occurs when the dominant allele completely masks the recessive allele in heter0zyg0us individuals. 1) 100% / 2) no chance / 3) 50% / 4) no chance / 5) 1:2:1.
------------------------------------------------------------
Available data:
→ Six diallelic genes code for six different traits.
→ All genes express complete dominance, meaning that the dominant allele hides the expression of the recessive one.
→ Beyonce ⇒ ee ww Dd Hh cc Bb
→ Bruno Mars ⇒ ee ww dd Hh CC Bb
→ Cross: Beyonce x Bruno Mars
****************************
1) Earlobes
Parentals) ee x ee
Gametes) e e e e
Punnett square) e e
e ee ee
e ee ee
F1) 100% of the progeny is expected to have unattached earlobes, ee.
******************
2) hairline
Parentals) ww x ww
Gametes) w w w w
Punnett square) w w
w ww ww
w ww ww
F1) 100% of the progeny is expected to have straight hairline, ww.
There is no chance for their children to have widow’s peak because both of them are h0m0zyg0us recessive for the trait.
***********************
3) Dimples
Parentals) Dd x dd
Gametes) D d d d
Punnett square) D d
d Dd dd
d Dd dd
F1) 2/4 = 1/2 = 50% of the progeny is expected to have dimples, dd
2/4 = 1/2 = 50% of the progeny is expected to have no dimples, Dd.
***********************
4) Chin
Parentals) CC x cc
Gametes) C C c c
Punnett square) C C
c Cc Cc
c Cc Cc
F1) 100% of the progeny is expected to have cleft chin, Cc
There is no chance for their children to have smooth chin because one of them is h0m0zyg0us dominant and the other one is h0m0zyg0us recessive for the trait.
The whole porgeny is expected to be heter0zyg0us, Cc, expressing cleft chin.
***********************
5) Eyes
Parentals) Bb x Bb
Gametes) B b B b
Punnett square) B b
B BB Bb
b Bb bb
F1) 3/4 = 75% of the progeny is expected to have brown eyes, BB + Bb
1/4 = 25% of the progeny is expected to have blue eyes, bb
Genotypic ratio ⇒ 1:2:1Phenotypic ratio ⇒ 3:1-----------------------------------------------
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Where does replication occur?
Answer:
in the cytoplasm of prokaryotes and in the nucleus of eukaryotes.
Explanation:
this only occurs in replication of the DNA
Which plate boundary happens where two plates move away from each other? *
A. convergent boundary
B. divergent boundary
C. transform boundary
What is the definition of weather
Answer:
The definition of weather is the state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc. Like the state of the atmosphere with respect to wind, temperature, cloudiness, moisture, pressure, etc. a strong wind or storm or strong winds and storms collectively.
Explanation:
Which of the following best describes the relationship between the endoplasmic reticulum and the plasma membrane in eukaryotic cells?
Answer:
This question is incomplete
Explanation:
This question is incomplete. However, there is a distinct relationship between the endoplasmic reticulum and the plasma membrane. The endoplasmic reticulum are responsible for protein synthesis which are used by the remaining organelles (including the membrane) to function. The endoplasmic reticulum is also involved in lipid synthesis and has a network of tubules (which are used for carrying materials throughout the cell) that can deliver lipids into the cell membrane. These lipids are responsible for the semi-permeability function of the cell/plasma membrane.
Please can someone help I’ll do anything:(
Acetylcholine is found in the synapse between muscles cells and neurons. It can be broken down by the enzyme acetylcholinesterase. Which of the following describes what happens if acetylcholinesterase is inhibited?
Acetylcholine will continue to be activated.
Acetylcholine will be prematurely terminated.
Acetylcholine will lose specificity of the response.
Acetylcholine will be inhibited.
Answer:
Acetylcholine will continue to be activated.
Explanation:
When we inhibit acetylcholinesterase with an acetylcholinesterase inhibitor (AChEI) it will inhibit acetylcholinesterase from breaking down acetylcholine into choline and acetate. This will increase the level and the duration of the neurotransmitter in the CNS, autonomic ganglia, and neuromuscular junctions.
PLS HELP. 7th GRDE SCIENCE IS HARD Name at least 3 different body systems and how they are being used while you walk and eat pizza at the same time. Try to include specific details about the organs in the body systems and how they work together. Please answer using your own words in complete sentences.
Answer:
Tendons, stomach, tube that goes to the stomach
In a pond ecosystem, red-winged blackbirds, mosquitoes, algae, lily pads, cattails,
and perch are called
a population
a community
0 0 0 0
abiotic components
a food chain
Answer: A community
Explanation: Abiotic is not living, all the things mentioned are alive so this is not correct.
A population is a number of organisms of the same species living together in an area at the same time.
A community is an interacting group of various species in a common location. The common location here is a pond.
A food chain shows the flow of energy and material being transferred from one organism to the next. The example given could be a food chain, but what disqualifies it from being a food chain is the perch it does not provide energy to any of the organisms listed in your example.
how dose a sprout turn into a tree?
How does the action of wind affect a rock's appearance?
HELP ME NOW PLEASE !!Mangrove trees are an important part of a mangrove wetland community. Other populations of plants and animals in this community rely on mageove trees for food & shelter. Which of these is a limiting factor on mangrove community populations that is unrelated to the density of mangrove trees?
**look at abcd in the picture**
Answer:
climate, salt water, tidal fluctuation and soil type
Explanation:
Climate, salt water, tidal fluctuation and soil type are the limiting factors for the mangrove wetland community. mangrove plants only present on wetland regions where the climate is humid. It also grow on the land where saline soil is found but excess saline conditions reduces its normal growth and development. For better growth of mangrove plants, soils made up of sand, silt and clay which are rich in organic matter.
Answer: B- severity of hurricanes
Explanation:
Question 5 of 10
What happens to most of the nitrogen in a plant when the plant dies?
O A. It moves into the atmosphere.
B. It is absorbed directly into animals.
C. It remains in the dead plant.
D. It goes back into the soil.
SUI
What is the process shown by letter A?
Answer:pensemos
Explanation:
Ajsjjs
Red blood cells _____. carry oxygen form clots carry carbon dioxide fight germs
Answer:
do
Explanation:
i took a cell class
Why is the future climate response to increasing greenhouse gas
conzentrations uncertain?
Answer:
However, there are several aspects of climate change that remain more uncertain. These uncertainties stem primarily from uncertainties about future human actions, especially those that affect the sources and sinks of greenhouse gases, and uncertainties about how the climate system will respond to these actions.
Explanation:
Please hurry! What is our body’s hidden strength?
Answer: One major clue is that we humans are, quite simply, stronger than we realise. Our movements are controlled by the contraction of muscles through signals relayed by nerves. When going about our daily lives, our bodies tend to use whatever the least amount is of muscle-and-nerve "motor units" to perform an action.
Hope this helps... Stay safe and have a great day/night!!! :D
At what point in Meiosis is a cell considered haploid?
Prophase 1
Metaphase !
Anaphase 1
Telophase
Prophase 11
Metaphase 11
Anaphase II
Telophase II
Read the excerpt from the introduction for "On Becoming an Inventor" by Dean Kamen.
I had just finished making a complicated piece of equipment that was to be used for a show opening in Philadelphia called "Fiorello." When the machine arrived they had trouble wiring it, so instead of going off to college that morning for an orientation, I spent several days at the theater fixing my light/sound equipment. The show received poor reviews, except for the mention by one reviewer of the "special effects," which, he wrote, were "outstanding."
Which detail from the excerpt proves that Dean created very good light/sound equipment?
He made a piece of equipment for a show named "Fiorello."
The show's crew had trouble wiring the equipment.
Dean spent several days at the theater fixing the equipment.
The equipment got great reviews, even though the show did not.
Answer:
for that kid the answer is either c or a i chose c i´ll tell you when im done
Explanation:
Answer:
the answer is B
Explanation:
because the show technicians couldn’t figure it out so that’s what made it so complicated.
12 Which of the following describes a form of active transport?
F Oxygen transfers into red blood cells through small gaps in the cell membrane
from oxygen-rich environment surround the cells.
G Large molecules are brought into the cell by wrapping the cell membrane around
the molecules to form a vacuole.
H Water moves across the cell membrane from the side with high osmotic pressure
towards the side with low osmotic pressure.
) Membrane proteins provide a pathway for larger particles to move across the cell
membrane and bring the cell and environment closer to equilibrium.
Answer: 1. cell wall, membrane, and overall volume are enlarged; chromosomes are duplicated. 2. septum begins to form and chromosomes are pulled to opposite ends of the cell; components are randomly divided. 3. septum is completely formed and the cell membrane begins to patch itself. 4. daughter cells are divided.
Explanation: pls mark me brainliest
What is a cold front?
Answer:
The boundary of an advance mass of cold air, In particular the trailing edge of the warm sector of a low pressure system.
HELP QUICK During photosynthesis, ______ is used to break water down into oxygen and hydrogen.
-A) oxygen
-B) glucose
-C) sunlight
-D) carbon dioxide
Answer: Oxygen
Explanation:
