What composes a photosystem?

Answers

Answer 1

The "special chlorophyll" molecules in the reaction center are what the photosystem will use to absorb all of the sun's energy.

What is a photosystem?

A core complex and a periphery antenna system referred to as the light-harvesting complex I (LHCI) for PSI and the light-harvesting complex II (LHCII) for PSII, respectively, make up each photosystem.

Light-harvesting structures and reaction hubs make up photosystems. To two unique chlorophyll molecules in the reaction center, pigments in the light-harvesting complex transfer light energy.

Sunlight is captured in the chloroplast by pigment chlorophyll molecules arranged into photosystems.

Therefore, the light-harvesting complex, which consists of pigments, and the reaction center make up the photosystem.

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Related Questions

What causes a volcanic eruption?

Answers

When a part of the earth's upper mantle or lower crust melts, magma forms. ... Although there are several factors triggering a volcanic eruption, three predominate: the buoyancy of the magma, the pressure from the exsolved gases in the magma and the injection of a new batch of magma into an already filled magma chamber.

jennifer performed an experiment to see how temperature affects the rate of breathing. group A will have their rate of breathing measured in 35 degrees Fahrenheit and group B will have their rate of breathing measured in 70 degrees Fahrenheit. write an "if..then" hypothesis statement ​

Answers

Answer:

If the temprature increases then the rate of breathing will decrease

Explanation:

This is because the increase in body temprature  increases the heart rate making it harder to breathe

If a man and woman are tested and found to be carriers of the sickle cell what is the probability that they will have a child that has sickle cell anemia

Answers

Answer: If both parents have SCT, there is a 50% (or 1 in 2) chance that the child also will have SCT if the child inherits the sickle cell gene from one of the parents.

Answer:

negative

Explanation:

because most the time two positives make a negative

it for dreelliot 1/2 divided by 1​

Answers

1/2, anything divided by 1 is always going to stay the same, also as anything divided by 0.

what is natural immunity

Answers

Answer:

Natural immunity occurs when you become immune to a specific disease after contracting it. This triggers your immune system to make antibodies against the germ causing the infection inside of you. Antibodies are like special bodyguards that only recognize certain germs.

Answer:

Natural immunity is the immunity got by the body without taking any drugs.

Explanation:

what is the fluid portion of the chloroplast outside of the thylakoids

Answers

Answer:

stroma

Explanation:

The stroma is the fluid portion of the chloroplast located outside the thylakoids. 6. The visible light absorbed by chlorophyll increases the energy level of the chlorophyll's electrons.

Answer:

I'm pretty sure it's stroma

2. An atom consists of 21 protons 22 neutrons and a number of electrons which
information will be MOST helpful in determining the atom's identity
The number of protons and neutrons
The number of protons
The number of electrons
The number of valence electrons
CUERALL

Answers

Answer:

the number of valence electrons cuerall

a, b, c, or d. first answer gets brainliest

Answers

Answer: B

Explanation: You can eliminate A and C right off the bat bc there not pushing towards each other and it’s not D bc this is the ground not high off of the ground like a mountain so therefore the answer is B

What if researchers followed a similar method used in this activity to calculate the correlation coefficients for the gene expression patterns of every patient with osteosarcoma and they found that all patients fell into two categories of gene expression patterns? What would this tell you about the single disease we call osteosarcoma? How might this information affect osteosarcoma cancer patient diagnosis and treatment in the future?

Answers

Answer:

- Abnormal gene expression patterns can lead to osteosarcoma

- Different signaling pathways (at least two) are involved in osteosarcoma

- Differentially expressed genes might be promising biomarkers for early detection of osteosarcoma

Explanation:

Cancer can be defined as a group of genetic diseases that are characterized by uncontrolled/inappropriate cell growth. In general, cancer pathways are associated with abnormal expression of signaling components that disrupt the regulatory networks capable of controlling cell function, thereby cancerous cells can inhibit programmed death cell (apoptosis). Osteosarcoma is one type of cancer disease that starts in the bones, i.e., this disease may be triggered by overactivity of bone cells. Additionally, it is important to note that different immune-related genes were recently found to be dysregulated in osteosarcoma. For example, differentially expressed immune-related genes involved in PI3K/AKT, MAPK and JAK-STAT signaling pathways have shown prognostic value in this disease.

Abnormal gene expression patterns can lead to osteosarcoma, different signalling pathways are involved in osteosarcoma, and differentially expressed genes might be promising biomarkers for the early detection of osteosarcoma.

What is the cause of osteosarcoma?

Most osteosarcomas are not caused by inherited gene modifications, but instead are the effect of gene changes acquired during the individual lifetime.

Sometimes these gene modifications are caused by radiation therapy used to treat another form of cancer because radiation can harm the DNA inside cells.

Thus, these are the following reasons.

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The concentration of a substance inside a cell is greater than outside the cell. What type of transport is needed to move molecules of the substance from outside the cell to inside?

Answers

Answer:

Osmosis

Explanation:

The type of transport needed to move molecules of the substance from outside the cell to inside is active transport.

What is active transport?

Active transport is the movement of molecules against a gradient or other form of resistance, for example from a lower to higher charge area.

Cells use active transport to accumulate molecules such as glucose and amino acids.

A cell must use energy to move compounds against such a concentration or electrochemical gradient.

Active transport mechanisms do exactly that, expending energy more often in the form of ATP to maintain proper ion and molecule concentrations in living cells.

In the given scenario, the concentration of substance is more inside the cell than outside and the substance has to move from outside to inside the cell. This requires energy for processing.

Thus, the given scenario can be accomplished using active transport.

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Which of the following contains all the rock, soll, lava and magma found on
Earth

A) Geosphere
B) Atmosphere
C) Hydrosphere

Answers

Answer:

Geosphere

Explanation: geo means earth

Answer:

Geosphere

Explanation:

If you remove one species from the Amazon rainforest, will it fall apart?

Answers

Not necessarily the food chain may change for some animals because they eat that one species

Not necessarily the food chain may change for some animals because they eat that one species.

What would happen if the Amazon rainforest was cut down?

Burning away the Amazon would change millions of living species to end and eliminate their habitats.

Many of these flora, fauna, and other forms of life haven't even been same by science yet.

Thus, the food chain may change for some animals because they eat that one species.

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Analyze: Click the FOREST tab. Click the plus (+) button for mushrooms several times. Click Advance year a few times. Select the DATA tab. How did adding mushrooms affect trees? GIZMOS.

Answers

Answer

82

Explanation:

i think

Answer:5b

Explanation:itchy

List the structure(s) that form the boundary between the inside and the outside of each cell in
Model 2.

Answers

Answer:

Explanation:

An animal cell has a cellular membrane, which keeps its contents inside, differentiating the inside from the outside. A plant cell has both a cellular membrane and a cell wall, which keeps its shape and prevents it from going through lysis and cellular destruction

tl;dr

Animal cell: cell membrane

Plant cell: cell wall, cell membrane

7) Match who accomplished what with the following options.

a) Charles Darwin
b) Carl Sagan
c) Aristotle
d) Alfred Wallace
e) Stanley Miller

1) ______ He was able to produce organic molecules from inorganic molecules by replicating what he thought to be conditions of early earth's atmosphere
2) ______ He was able to produce ATP (energy) molecules by replicating conditions of early earth's atmosphere.

Answers

Answer:

1. stanley miller

2. carl sagan

Explanation:

The measurement of how far the particles are pushed from their _______________is called amplification.
(Can somebody please help me out. I'm giving 20 points and Brainliest for the first correct answer.

limit


compression


wavelength


starting point

Answers

Answer:

i think its compression

Explanation:

...

Answer:

The anwser is the starting point hope this helps :)

Explanation:

i took the test and got it right :)

Robert Hooke made this drawing after using a microscope to observe dead cork bark. What does Hooke's drawing show? A. Cell division
B. Cell organelles
C. Living cells
D. Cork cells​

Answers

Answer:

THE Awnser is D

Explanation:

A.P.E.X

Answer:

d

Explanation:

dead cork cells


Why does candle Q extinguished after a few minutes? *​

Answers

Answer:

flame was extinguished after a few seconds because the jar keeps oxygen from the outside from getting in.

Explanation:

Running out of oxygen makes the flame go out.

In studying the environment, nature does the experiments, scientists collect the data. How does the principle of uniformitarianism help answer questions about environmental changes?

Answers

Answer:

The principle of uniformitarianism helps answer questions about environmental changes because it gives scientists the idea that the scientific conditions that exist today have always been in existence. This makes it easier to draw correlations.

Explanation:

The principle of uniformitarianism states that the natural conditions that exist today have remained unchanged through the span of human life. This helps scientists in their understanding of nature. For example, they are better able to understand the formation of the earth as well as the uniformity of law across space and time.

Uniformity of law is an aspect of the principle of uniformitarianism which states that the laws of nature are constant across time and space. Uniformity of degree states that geological conditions have remained constant over time. These principles help scientists to better understand environmental changes.

*
v) Carbon dioxide is important for photosynthesis​

Answers

Answer:

This statement is true.

Answer:

true

During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. ... However, photosynthesis doesn't just drive the carbon cycle — it also creates the oxygen necessary for respiring organisms.

Explanation:

hope this helps you

Crown me as brainliest:)

PLEASE PLEASE ANSWER ASAP
How is photosynthesis and cellular respiration related?

Answers

Answer:

They go hand in hand as a cycle.

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant, and oxygen is a by-product. Cellular respiration converts that glucose and  oxygen into water and carbon dioxide, which then go through photosynthesis again.

RED HAIR IN HUMANS……
PLEASE HELP ILL PUT U IN BRAINLIEST

Answers

Answer: A B E

Explanation:

It’s A B and E hope this helped!

Please Help!!!!!!!!!!!!!! Passive transport takes place without the use of energy. true or false?

Answers

Answer:

true

Explanation:

it requires no energy.

Answer:

it true

Explanation:

List the celestial bodies from smallest to largest based on their actual size.
Plzzzzzzzzzzz give me the correct answer ASAP

Answers

Answer:

Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter.  Is smallest to largest.

Explanation:

Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter Is smallest to largest.

What are celestial bodies?

A celestial object is an observable cosmic phenomenon that happens naturally. The terms "object" and "body" are frequently used synonymously in astronomy.

A celestial object, on the other hand, is a complex, less cohesively bonded structure that could include numerous bodies or even other objects with substructures, as opposed to a celestial body, which is a single, tightly bound, adjoining entity. Space objects like the Sun, planets, moons, and stars are referred to as celestial bodies or heavenly groups.

They are normally quite far away from us and are a part of the vast cosmos we inhabit. Such objects are scattered throughout the majestic night sky, and when viewed through a telescope, they reveal intriguing worlds of their own.

Therefore, Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter Is smallest to largest.

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due in 5 min hurry please help

Answers

Hey there!

The answer is "not producing enough of what you need".

Answer:

the answer is c I'm pretty sure but don't hold me on it

What is the relationship between the depths of earthquake foci and latitude

Answers

Both are in the same latitude because the epicenter is just above the focus point.

What three factors influence autumn leaf color? (pink)

Answers

Answer: Three factors influence autumn leaf color-leaf pigments, length of night, and weather, but not quite in the way we think.

Which of the following statements is true?

Organs are more complex than the tissues they are made from.
Carbon dioxide is absorbed by the lungs and stored in alveoli.
Running, jumping, and biking are controlled by the cerebrum.
The heart and lungs do not need each other to supply the body with oxygen.

Answers

Answer:

It is Running, jumping, and biking are controlled by the cerebrum.

Explanation:

I had question this on my test last week

Answer: Organs are more complex than the tissues they are made from.

Explanation:  

what are the building blocks of protiens

a- the empire state
b- washington monument
c- amino acids
d- your mom

Answers

Answer:

amino acids

Explanation:

amino acids in protein build up muscle and provide energy storage. I hope this helps

Genetic information is stored and transmitted within
A.nucleic acids.
B. proteins.
C.amino acids.
D.sugars.

Answers

Answer:

DNA and RNA are long linear polymers, called NUCLEIC ACID, that carry information in a form that can be passed from one generation to the next. ...

Genetic information is stored in the sequence of bases along a nucleic acid chain.
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