Answer:
Thylakoids
Explanation:
Thylakoids contain clusters of chlorophyll and proteins known as photosystems. Surrounded by accessory pigments, are essential to the light-dependent reactions. Absorbs sunlight and generate high-energy electrons that are then passes to a series of electron carriers embedded in the thylakoid membrane.
The clusters of chlorophyll and proteins that absorb sunlight and generate high energy electrons in the chloroplast are called photosystem. The correct option is D.
Chloroplasts' thylakoid membrane contains clusters of proteins and chlorophyll known as photosystems. These protein-pigment complexes are essential parts of the photosynthesis' light-dependent processes.
The photosystems' chlorophyll molecules absorb sunlight and use its energy to start a number of electron transfer reactions. The photosystem uses this energy to excite electrons, which are subsequently transported along a chain of electron carriers.
The synthesis of ATP is fueled by these high-energy electrons, which also convert molecules like [tex]NADP^+[/tex] to NADPH, which is necessary for the generation of sugars in the light-independent processes.
The photosystems play a crucial role in converting light energy into chemical energy during photosynthesis. In particular, photosystem II and photosystem I cooperate to efficiently capture and transport solar energy.
Thus, the correct option is D.
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Your question is incomplete, the probable complete question is:
The clusters of chlorophyll and proteins that absorb sunlight and generate high energy electrons in the chloroplast are called
A) Stomata
B) Thylakoids
C) Stroma
D) Photosystems
there are five different types of nucleotide bases found in living things. Which is an accurate comparison of the bases found in birds and the bases foubd in flowers?
Answer:
Uracil
Thymine
Guanine
Adenine
Cytosine
birds and flowers have different Arrangements of the bases
Explanation:
hope this helps :]
Answer:
A. Birds and flowers have different arrangements of the bases.
Explanation:
name two types of cell that can go through the cell cycle an infinite amount of times
Answer:
red blood cells and nerve cells
Explanation:
The Hayflick Limit is a concept that helps to explain the mechanisms behind cellular aging. The concept states that a normal human cell can only replicate and divide forty to sixty times before it cannot divide anymore, and will break down by programmed cell death or apoptosis
this is for further explanation
plz don't just take my pons help me if u take my ponts i will report u
Answer: how am I supposed to answer this.
plant life cycle. animal life cycle.
flower larva, pupa, egg, and spore
fruit
seed
Explanation:
Plenty of food, water and suitable temperature are the conditions required for the growth of fungi. Is it true or false?
Explanation:
Some species of fungi do grow better at warm temperatures (70-90°F), but there are some that thrive in very high temperatures of 130-150°F and some that will thrive in very low temperatures below 32°F (below freezing). ... Water: Fungi need lots of water to grow. For most fungi this is true. :)
There are several mechanisms through which reproductive isolation occurs. Which situation is an example of behavioral isolation?
A.
Mules, the offspring of a male donkey and a female horse, are unable to reproduce because they are sterile.
B.
The reproductive organs of snails only properly align when the male and female belong to the same species.
C.
Males of different, closely related species of fireflies signal for mates by flashing different light sequences.
D.
Red and purple sea urchins cannot reproduce with one another because the sperm and egg cannot fuse.
please help giving brainly
Answer:
D
Explanation:
because it is transporting toxic waste out and nutrients in and protecting everything inside. Have a great day hope its right and can i have brainly?
I really need help on this.
1. If you travel for three hours at a speed of 30 km/h, how far will you go?
2. Liz is driving to Beaumont, which is 175 miles east from her current position. She plans on being in Beaumont in 2 hours. If she makes it what will her average velocity have been?
3. How much time will it take for a bug to travel 5 meters across the floor if it is traveling at 1 m/s?
Answer:
245 miles
Explanation:
I have no explanation.
Which of the following is not a potential result of a bottleneck event?
a. an increase in potential mates
b. a decrease in genetic diversity
an increase in inbreeding
d. an increased chance of extinction
C.
Answer:
A. An increase in potential mates
Explanation:
An increase in potential mates would not be a potential result of a bottleneck event because it would actually increase the population rather than kill them off.
HAVE A GOOD DAY!!!!
Event an increase in potential mates is not potential result of a bottleneck.
What is the bottleneck effect for example?The bottleneck effect is an extreme example of genetic drift that occurs when the size of a population is severely reduced.
Events like natural disasters (earthquakes, floods, fires) can decimate a population, killing most individuals and leaving behind a small, random assortment of survivors.
Thus, option "A" is correct.
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In words please describe what happens during photosynthesis, include these terms in your description: oxygen, carbon dioxide, photon, glucose, water, chloroplast, thylakoid, xylem, stoma, chlorophyll.
What is a T-cell receptor?
Answer:
The T-cell receptor (TCR) is a protein complex found on the surface of T cells, or T lymphocytes,[1] that is responsible for recognizing fragments of antigen as peptides bound to major histocompatibility complex (MHC) molecules. The binding between TCR and antigen peptides is of relatively low affinity and is degenerate: that is, many TCRs recognize the same antigen peptide and many antigen peptides are recognized by the same TCR.
Explanation:
In what process does adaptation lead to the creation of a new species? a. Mutation c. Speciation b. Adaptation d. Genetics
Answer:
This eventual process of speciation by natural selection is illustrated by a sketch ... The integration of genetics with models of natural selection shed tremendous ... processes which cause adaptation within species also tend to create new species. ... Darwin, C. On The Origin of Species by Means of Natural Selection,
Explanation:
How are photosynthesis and respiration similar?
Answer:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water
Explanation:
Hope it helps:)
Which of the following is NOT a quality of a good index fossil?
1. They are only found in one location on the earth
2. They are easy to recognize and look different than other fossils
3. They have a limited time period that they were located on the earth
4. They can be used to help date layers of rocks around the world
Answer:
1.
Explanation:
That is not true! Fossils are found in from germany to australia (all around the world)!
The study of fossils is called paleontology. On earth, there are different types of fossils present on the earth. For example Body Fossils, Molecular Fossils, Trace Fossils, Carbon Fossils, Pseudofossils.
The correct answer is option A.
What are fossils?A fossil is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnantsAccording to the question, all the options are relatable to the good fossils index except option A.
The fossils can be found anywhere on the earth, not at a specific location.
Hence the correct answer is option A that is They are only found in one location on the earth.
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Helps me! Also I still have an hr to do this I have 10 questions left ouch!will give brainliest!
Answer:
b or c for sure
Explanation:
20. Describe the parts of a nucleotide.
A nucleotide is an organic molecule that is the building block of DNA and RNA. ... A nucleotide is made up of three parts: a phosphate group, a 5-carbon sugar, and a nitrogenous base. The four nitrogenous bases in DNA are adenine, cytosine, guanine, and thymine. RNA contains uracil, instead of thymine.
Hopefully this helped! :D
-LavenderVye
Answer:
pls mark me brainliest. the answer
Explanation:
A nucleotide is an organic molecule that is the building block of DNA and RNA. A nucleotide is made up of three parts: a phosphate group, a 5-carbon sugar, and a nitrogenous base. The four nitrogenous bases in DNA are adenine, cytosine, guanine, and thymine. RNA contains uracil, instead of thymine.
Translate the mRNA into the corresponding amino acids.
mRNA Molecule:
AUGAACCAUUCAGUAUGG
Amino Acid( fill) :
The corresponding amino acids would be
UACUUGGCAAGUCAUACC
The given mRNA sequence can be translated into the corresponding amino acid sequence as Methionine-Aspargine-Histidine-Serine-Valine-Tryptophan.
RNA ribosome translation is the process by which mRNA is translated into proteins. A ribosome is a cellular structure composed of proteins and rRNA. It is the site of translation, where codon codons are matched to amino acids and peptide bonds are formed between amino acids.
All mRNAs are degraded at a specific rate once they enter the cell’s cytoplasm. Some mRNAs are translated, some are stored for further translation, and some mRNAs are temporarily translational repressed.
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What subatomic particle changes the identity (element name) of an atom?
Answer:
♡Hi again, Susan! ♡
-- protons is your answer.
~Clara ✧･ﾟ: *
Explanation:
pls help me pls idk how to do this
Answer:
1. precipitation
2.condensation
3.precipitation
4.precipitation
5.precipitation
6.evaporation
7.evaporation
8.evaporation
(left to right each row)
Explanation:
precipitation is when something falls from somewhere (hail, snow etc)
condensation is when a gas (usually steam) turns into a liquid
evaporation is when a liquid turns gas.
Which of the following problems is more likely to cause disease during aquaculture farming? (3 points)
-Aquaculture wastewater cleared by ocean currents
-Large density of fish in a small holding area
-Non-native fish enter aquaculture ponds from a river
-Increase in fish production from aquaculture farming
Answer: b, large density of fish in a small holding area
Explanation: I just finished the assignment and it was correct.
It is the Large density of fish in a small holding area that is when the production is increased to a greater number. The correct answer is option B.
What are the common diseases that may cause effects in fish ?These could be pathogenic invasions on their bodies. It can be them not feeding as well.
Risks that include amplification and the transmission of the disease that from the farmed to the wild fish along then the introduction of the non native kind of the pathogens along with the parasites in case when the fish are transported. Fish diseases takes place naturally in wild but effects often can go on unnoticed as the dead fish suddenly becomes prey.
Signs of the fish disease mainly include the abnormalities and symptoms as fish is not feeding that are having ulcers on body or the cloudy eyes. Most common indicators of the disease that are fish coming to ]surface and later gasping for the oxygen even higher than the usual levels of the sickness even death in aquaculture system.
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The characteristics of all organisms and viruses are determined by the instructions carried in
Answer:
DNA
Explanation:
maybe... BUT PROBABLY YESS
Answer:
nucleic acids
Explanation:
what do both glycolysis and fermentation have in common?
A. the can occur in the absence of oxygen
B. they produce either lactic acid or ethyl alcohol
C. they involve a serious of reactions that progress in a circular fashion
D. they combine hydrogen with oxygen to produce water
Answer:
Ambas se realizan en ausencia de oxigeno
Respuesta A
Explanation:
La fermentación láctica transforma el piruvato en lactato
Durante la glucolisis una molecula de glucosa se convierte en 2 moleculas de piruvato y se obtienen 2 moleculas de ATP y 2 de NADH netas.
27. Which three planets were not known to ancient people?
a. Saturn, Jupiter, and Pluto u
b. Jupiter, Uranus, and Neptune
c. Uranus, Neptune, and Pluto
d. Mercury, Venus, and Saturn
Answer:
C. Uranus, Neptune, and Pluto
:)
10. In the figure of the U-tube below, side "A" is pure water and side "B" is a 10% starch solution. The starch can not pass
through the membrane because it is too large, only the water moves across the membrane. Explain what has
happened in the before and after picture below. Why does this happen?
Answer:
All of the water has moved through the membrane moving the solution on the other side higher.
Explanation:
I really hope this is right and i helped you out!
Starch cannot pass through membrane because it is too large molecules. Cell membrane is a semipermeable membrane. It cannot allow bigger molecules to pass. It helps only to pass small molecules.
What is cell membrane?A cell membrane, often referred to as a plasma membrane, is present in every cell and serves as a barrier between the interior of the cell and the outside world.
The cell membrane is a lipid bilayer that is semipermeable. The cell membrane regulates the flow of substances into and out of the cell.
The cell membrane, commonly referred to as the plasma membrane, serves as the body of a cell. It also keeps the environment inside the cell constant, and that membrane has many functions.
Therefore, Starch cannot pass through membrane because it is too large molecules. Cell membrane is a semipermeable membrane. It cannot allow bigger molecules to pass. It helps only to pass small molecules.
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What do you notice about the water molecules?
Answer:
Explanation:
they have 2 OH bonds - which are hydrogen bonds,
they're polar due to the difference in electronegativities of oxygen and hydrogen
Answer:
Why do phase changes occur?
1. Compare: Set the Water temperature to 0 °C and click Play. Observe the water molecules.
Click Reset, set the Water temperature to 100 °C, and click Play again.
What do you notice? The water molecules are moving slightly faster at 100 °C than at 0 °C.
[Note: This difference may be too small to observe easily.]
2. Observe: Click Reset. The mean molecular speed of the water molecules is displayed
below the container. Set the Water temperature to 0 °C and Add/remove heat energy to
400 J/s. Click Play.
A. How does the mean speed of the water molecules change as they are heated?
The average speed of water molecules increases as they are heated.
B. Does the mean molecular speed change as much as the temperature as the
water heats up? Explain.
Sample answer: For each degree of temperature change, the mean molecular
speed increases by about 1 m/s. At 100 °C, the mean molecular speed is about
17% faster than at 0 °C.
3. Explain: How is temperature related to the motions of molecules?
The higher the temperature, the faster the molecules move.
4. Observe: Click Reset. Set the Water temperature to 20 °C and the Ice volume to 50 cc.
Set Add/remove heat energy to 0 J/s. Click Play. How do the molecules in the liquid
interact with the molecules in the solid?
The molecules of the liquid collide with the molecules of solid, gradually breaking the bonds
between the molecules in the solid and causing the ice to melt.
Explanation:
Frogs live in pools of water that form inside large flowers in rain forest canopies. The flowers absorb nutrients from the frogs’ wastes. Which type of relationship is this?
Answer:
Mutual
Explanation:
frogs provide food for the pond or whatever and the pond stays fresh so the frogs can live their
Answer:
Mutualism
Explanation:
AP3X
what is the difference between cell membrane and visking tubing
Explanation:
cell membrane- is a semipermeable tissue that selectively allows the movement of materials in and out of a cell while a visking tubing is a artificial cee membrane
Answer:
Explanation:
Cell membrane is a semi permeable wall found in living cells . It is separate the inside cell from the the outside environment. This allow the movement of substances in and out of the cell. It allow diffusion of gases in and outside the cell.
Visking tubing is made of regenerated cellulose which look aliitle bit similar sellotape when it is dry. It is an artificial membrane that is similar to the cell membrane. It is a selectively permeable membrane with small pores that allow the movement of smaller molecules in through them.
In an organ transplant, a doctor transfers a donated organ from a recently deceased person to a live patient. One of the consequences is that the patient's immune system - the system that protects against diseases and pathogens in the body will reject the new organs. Explain why this consequence isn't a concern with organs grown from human cells
Answer:
The scientist would use the patient’s own stem cells to grow the organ. Because the cells are from the patient’s own body, the immune system won’t perceive the new organ to be a foreign body.
Explanation:
Answer:
The scientist would use the patient’s own stem cells to grow the organ. Because the cells are from the patient’s own body, the immune system won’t perceive the new organ to be a foreign body.
Explanation:
The scientist would use the patient’s own stem cells to grow the organ. if it uses cells from someone elses body the immune system wont work the way it should because its from a foreign body but if it uses its own cells then it'll work and won't see the cells from a foreign body
Help me pleaseeeee!!!
Please take some time to help me really quick :)
Answer:
glycolysis
Explanation:
why must lions expend more energy than their herbivorous prey?
They need to expend more energy because their energy is utilized in Hunting the prey.
What are carnivores?A creature known as a carnivore mostly consumes meat or animal flesh. Predators are another name for carnivores. Prey refers to the living things that predators consume. The food web, which describes which creatures consume which other organisms in the wild, includes carnivores as a significant component. Trophic, or nutritional, levels are used to classify organisms in the food chain.
Three trophic levels exist. The lowest trophic level is comprised of autotrophs or creatures that make their own food. Algae and plants are some of these. The second trophic level is occupied by herbivores or creatures that consume plants and other autotrophs. The third trophic level is composed of carnivores. The third trophic level also includes omnivores, which include animals, plants, and fungi in their diet.
Because autotrophs make their own nourishment, they are referred to as producers. Consumers include omnivores, carnivores, and herbivores. The main consumers are herbivores. The primary consumers are omnivores and carnivores.
Carnivores frequently consume herbivores. Some devour other carnivores, while others consume omnivores. Tertiary consumers of other carnivores are classified as carnivores. Orcas, or killer whales, are a well-known illustration of tertiary consumers. Sea lions and seals are prey for killer whales. Carnivores that eat fish, squid, and octopuses are seals and sea lions.
Therefore, carnivores need more energy for hunting.
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