Atrazine is an herbicide that prevents plant growth by inhibiting photosynthesis. Atrazine works by binding to proteins in the electron transport chain of photosystem II. Once atrazine binds to the proteins, electrons can no longer travel down the chain to reach photosystem I.

Based on this information, how does atrazine stop plant growth?

A.
It prevents water from releasing oxygen, which is needed by the light-dependent reactions to fix carbon.
B.
It prevents the formation of NADH and FADH2, which are needed by the light-independent reactions to fix carbon.
C.
It prevents chlorophyll from creating electrons, which are needed by the light-dependent reactions to make sugars.
D.
It prevents the formation of ATP and NADPH, which are needed by the light-independent reactions to make sugars.

Answers

Answer 1

It prevents the formation of ATP and NADPH, which are needed by the light-independent reactions to make sugars. Thus, the correct option is D.

The herbicide atrazine binds to the D1 protein and prevents plastoquinone from binding. By preventing plastoquinone from binding, the photosynthetic transport of electron is disrupted, putting the generation of ATP and NADPH in the chloroplast at risk.

 

What are herbicide?

Herbicides are chemicals that are used to control or manage unwanted vegetation. Herbicides are most commonly used in row-crop farming, where they are treated before or during planting to increase crop productivity while reducing other vegetation.

This results in the plant's inability to fix carbon dioxide and provide the nutrients it needs to survive. A halt in electron transmission causes oxidative stress and the generation of radicals, which leads to rapid cellular death.

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Related Questions

A steady state is associated with which of the following terms
Static system
Open system
Closed system
Non-living system

Answers

Closed system …………….

Arrange the level of cell organization from the simplest to the most complex, with 1 being the simplest and 5 being the most complex. 1. 1 organism level 2. 2 system level 3. 3 tissue level 4. 4 organ level 5. 5 cellular level

Answers

Answer:

1. Cellular level

2. Tissue level

3. Organ level

4. System level

5. Organism level

Explanation:

Which of the following is most likely to happen if oxygen is not able to enter a cell?

The cell will not be able to produce energy

The cell will not be able to get rid of waste

The cell will not be replaced when damaged

The cell will not be able to split into daughter cells

Answers

The cell will not be able to produce energy

Answer:

I think its "Cells will not be able to produce energy"

What is the cause of lightning?

A. The different elevations of a cloud and the ground

B. Airflow between a cloud and the ground

C. Varying air pressure underneath a cloud

D. Different charges on the ground and the bottom of a cloud

Answers

Answer:

The different elevations of a cloud and the ground

Lightning is a naturally occurring electrostatic discharge during which two electrically charged regions, both in the atmosphere or with one on the ground, temporarily neutralize themselves, causing the instantaneous release of an average of one gigajoule of energy

effect of overexploitation of natural resources​

Answers

Answer:

exhaustion

Explanation:

particularly by excessive forestry,fishing and hunting

which dental material would you say is the most versatile and widely used today and why?

Answers

One of the most adaptable restorative materials in dentistry is dental amalgam. It accounts for over 75% of all restorative materials used by dentists.

What is amalgam?

Dental amalgam is a mixture of liquid mercury and metal alloys used to treat cavities caused by tooth decay in dentistry. [1] Mercury (50%) is typically found in low-copper amalgam, along with silver (22–32%), tin (14%), zinc (8%), and other trace metals.

Because of the constant expansion and contraction of amalgam fillings, they can sometimes shatter the tooth. Leakage is also less likely with composite fillings. A leaking filling indicates there is a small breach between the filling and your tooth, which allows dirt and saliva to enter and cause decay.

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please help!
thank you

Answers

Estrogen and chlorine move by diffusion, nitrogen move by transport protein whereas glyphosphate moves by active transport.

How give molecules move through cell membrane?

Estrogen move across the cell membrane through simple diffusion because it needs no ATP molecule for its movement while on the other hand, glyphosphate use active transport for the movement across cell membrane because they only move when the ATP is available.

Nitrogen moves into the cell membrane of the lung cell through facilitated diffusion by transport proteins while on the other hand, the hydrogen ions moves into the cell membrane of the cell through active transport.

The chlorine ion moves from higher concentration region to lower concentration region by simple diffusion process.

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If one side of the DNA ladder contains the following bases, what would the complementary base pairs be for each?

Answers

Answer: The complimentary base pairs would be:

a. TATCTGAATCGG

b. CTGTAAGTGACC

c. CGTTATGAACCG

d. TATCGATGGCAT

e. CAGGGTACGTTC

Explanation:

A combines with T and vice versa.

Similarly G combines with C and vice versa.

Which describes the correct pairing of DNA bases?
OA. A with T, and C with G
OB. A with C, and T with G
OC. A with G, and C with T
OD. A with A, and G with G
SUB

Answers

The correct pairing of DNA bases A. T with A, and C with G. Thus, option "A" is correct.

How, explain your answer briefly?

It can be explained with the help of complementary base pairing.

In DNA,  thymine (T) always forms a base pair with adenine (A) and cytosine (C) always base pairs with guanine (G) .

There are two hydrogen bonds present in between A and T and three hydrogen bonds in between G and C.

Thus, option "A" is correct.

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name the cell organelle which is abundant in muscle cells​

Answers

Answer:

Mitochondria is the cell organelle abundant in muscles cells.

Answer:

Mitochondria

Explanation:

Mitochondria is the power house of a cell as we know so as aerobic respiration takes place the mitochondria is always actively ready to release ATP(Adenosine triphosphate) also as energy

Crops such as corn along
with plants such as
pansies, marigolds, and
cucumbers fall into which
of these categories of
angiosperms?

Answers

According to the research, pansies, marigolds, and cucumbers fall into dicots angiosperms category.

What are angiosperms?

They refer to vascular land plants that produce seeds, flowers, and fruits.

It is classified according to the number of leaves, when the seed germinates and two cotyledons are produced they are categorized as dicots.

Therefore, we can conclude that according to the research, pansies, marigolds, and cucumbers fall into dicots angiosperms category.

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Answer: Annual plants.

Explanation:

which of the following is an enzyme required by the process of rephosphory,to create ATP? A) AD Pase B)AT Pase C)Polymerase D)AT synthase ?

Answers

ATPase is the enzyme which is required to create ATP and is denoted as option B.

What is ATPase?

This type of enzyme is found in the mitochondrion and catalyzes the formation of ATP which provides energy to cells.

The ATP which is referred to as adenosine triphosphate is formed from the molecules known as ADP and inorganic phosphate which are present in the body cells. This ensures that the daily energy needs of the body are met.

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Organisms inherit specific traits and characteristics from their parents. Albinism is an inherited disorder that occurs when an organism is unable to produce or distribute melanin. Melanin is a substance in the body that helps determine skin color, hair color, and eye color.

An albino alligator.

Which is the basic unit of heredity that carries the trait of albinism from parent to offspring?
base pairs
genes
proteins

Answers

GENES are the fundamental unit of heredity that transmit albinism from one generation to the next. Thus, the correct option is A.

What is DNA?

Deoxyribonucleic acid is a polymer made of two polynucleotide chains that coil around one another to form a double helix and which contains the genetic material necessary for all known creatures, including many viruses, to develop, function, grow, and reproduce.

Because they contain unique sets of instructions to encode certain proteins, which are passed down across generations, genes are regarded as the fundamental functional and structural components of heredity (i.e., they are inherited).

When a gene is expressed, certain DNA fragments (i.e., genes) are used as templates to produce messenger RNAs (mRNAs), which are complementary RNA sequences.

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The basic unit of heredity that carries the trait of albinism from parent to offspring is GENES. Thus, option "B" is correct.

What are genes?

Genes are considered the basic functional and structural units of heredity because they contain specific sets of instructions to encode specific proteins, which pass across generations (i.e., they are inherited).

During gene expression, specific fragments of DNA (i.e., genes) are used as templates to create specific complementary RNA sequences called messenger RNAs (mRNAs) by a process called transcription.

Subsequently, these mRNAs are used to synthesize proteins by a process called translation.

The proteins arrange in the cell to produce specific phenotypes, i.e., specific observable features or traits.

In conclusion, the basic unit of heredity that carries the trait of albinism from parent to offspring is GENES.

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Which forms as a result of compressional stress?
anticline and syncline
normal fault
strike-slip fault
fault-block mountain

Answers

Anticline and syncline forms as a result of compressional stress. Thus, the correct option is A.

What is anticline ?

Folds known as anticlines occur when formerly horizontal strata have been folded upward and the two limbs deviate from the surface.

When rocks deform in a ductile way, they may bend or fold, and the resulting structures are known as folds, rather than shattering to produce faults or joints. Folds are caused by compressional or shear pressures operating over a long period of time. Such folds originate from rocks that we often consider brittle behaving ductilely when the strain rate is low and/or the temperature is high.

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Answer: A

Explanation: E 2022

During which phase of meiosis do spindle fibers move the sister chromatids to the center of the cells?
interphase
anaphase II
prophase I
metaphase II

Answers

Answer:

Metaphase II

Explanation:

During metaphase, the spindle fibers move the chromatids to the center (creates what is known as metaphase plate) to that they can be separated.

Hope this helps :)

Basic Characteristics of life
Help plss

Answers

Answer:

Explanation:

I do not know if it helps but the basic characteristics of life are Cellular organization, the ability to reproduce, growth & development, energy use, homeostasis, response to their environment, and the ability to adapt.

look at photo or pdf down there please

Answers

Answer:

Pituitary: part of the brain that helps to regulate the endocrine system
thyroid: regulates metabolism
thymus: helps children develop a strong immune
hypothalamus: regulates growth, water balance, and blood pressure

Explanation:

Answer:

Pituitary: part of the brain that helps to regulate the endocrine system

thyroid: regulates metabolism

thymus: helps children develop a strong immune

hypothalamus: regulates growth, water balance, and blood pressure

Explanation:

I copied and pasted the other person answer so you can give him brainlest
Just click the crown on his answer

Develop a mind map representing the narrative of the historical development of technology and the impact of IKS throughout the history of humanity.​

Answers

Indigenous Information System (IKS) is the body of knowledge that communities have accumulated over many generations as a result of their interactions with the environment.

Indigenous Knowledge System (IKS): What is it?

The technological, economic, philosophical, educational, and governing systems are all included in the indigenous knowledge system.

Prior to the development of the contemporary scientific knowledge system, indigenous societies established their own knowledge, which is included in indigenous knowledge systems (IKS).

Acupuncture from China is an illustration of IKS. Through the preservation and wise use of biodiversity, it may significantly advance sustainable development.

There is a definite need to preserve these systems, acknowledge their worth, and stop their destruction in order to strengthen indigenous knowledge practices and cultures.

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When a baby is born four weeks before the end of the third trimester, it is most likely that the baby will.

A. be unable to grow toenails

B. be able to survive in the environment

C. lack fully developed eyes

D. have some missing organs

Answers

Answer:

B: be able to survive in the environment

Explanation:

he is a premature so he can survive under good care

When is your breathing likely to speed up?

A. When your heart cells need more carbon dioxide

B. When your white blood cells increase

C. When your blood cells have too
much oxygen

D. When your cells need more energy

Answers

Your breathing is likely to speed up when your cells need more energy. Why? Well, faster breathing is likely to occur when your cells need more energy because doing things that force your muscles to work harder cause sweat glands often (which originates from the endocrine system), and to recuperate energy, your breathing rate increases so that more energy is circulated into your body.

Your final answer: The answer is D.

With the development of air flight and mass transit, humans are able to move very rapidly around the world.
Which of the following is a possible consequence of increased human travel?
Choose 1 answer:

Answers

Explanation:

human are able to move very rapidly around the world because of good atmosphere if there is more powerful population

Answer: CORRECT (SELECTED)

Exotic species are introduced to new areas where they compete with native species.

Explanation:

Introduced, exotic species can outcompete native species and alter the biodiversity in that area.

What evaluation plan can be done to measure the effectiveness of utilizing low air loss mattresses for patients in nursing homes. Provide the following criteria, making sure your evaluation plan is comprehensive and concise:

Propose evaluation methods to evaluate the implementation of your evidence-based intervention. Describe the methods selected and provide rationale and support for why the proposed methods are best for the collection of outcome data.
Describe how the proposed evaluation methods will measure whether the project objectives are achieved. Explain how the outcomes will be measured and evaluated based on the evidence. Address validity, reliability, and applicability.
Describe strategies to take if outcomes do not provide positive results.
Discuss implications for practice and future research.

Answers

The evaluation method to evaluate the implementation of the evidence-based intervention is the integration of the evidence with clinical expertise.

What is an evaluation plan?

An evaluation plan simply means a written document that describes how to evaluate and monitor a program.

Low air loss mattresses can be used for both the prevention and treatment of pressure wounds, and are well suited to any patients susceptible to these events such as those who are immobilized or lack adequate sensory perception.

Findings support the expanded use of this technology for patients with mild pressure ulcers and good healing characteristics. For these patients, the cost-effectiveness of low-air-loss beds is comparable to other accepted health treatments.

For patients with severe ulcers and poor healing characteristics, low-air-loss bed cost-effectiveness compares poorly with other accepted health treatments unless the lease cost can be substantially reduced, or unless life with a pressure ulcer is valued close to death.

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is water losing through transpiration harmful or benefical for plant

Answers

Answer:

Beneficial. Read below

Explanation:

Water naturally does evaporate from the leaves. When it does, it makes a sort of suction in the 'pipes' of the plant. Think of it like when you drink from a cup with a straw. You take juice out from the straw by sucking it but that makes the juice still in the cup go up to replace that lost juice. This is how plants absorb water from the roots. If transpiration didn't happen, plants wouldn't be able to absorb water apart from osmosis but that would be too slow.

how do blood vessels function to maintain body temperature on hot and cold day​

Answers

Answer:

Vasodilatation

Explanation:

The blood vessels under your skin get wider. This increases blood flow to your skin where it is cooler — away from your warm inner body. This lets your body release heat through heat radiation.

Answer:

on a hot day they vasodillate causing a lot of blood to flow near the skin surface thus losing heat by convection while voice versa during cold Temp

What does the term temperature control refer to

1-the oven temperature recommended in a receipe
2- maintenance proper room temperature inside the dining area
3-the temperature required for maintaining food safety
4-the temperature control dial in the freezer

Answers

Temperature control refers to the temperature required for maintaining food safety (option '3')

what is temperature?

Temperature can be defined as a measure of how hot or cold something is; strictly, a measure of the average kinetic energy of the particles in an object, which is also a type of energy that is involved with motion.

What is food safety?

Food safety refers to routines that are involved in the preparation, handling and storage of food meant to foodborne diseases and injuries. it can also means the prevention of food contamination prior that will be  released to the consumer.

What is importance of food safety?

Food safety is important as it helps to protect consumer from the risk of food borne illnesses. It is essential to prevent consumers from risks of health –related conditions such as allergy and even death.

What are some of the food safety rules:

keep clean, separate raw and cooked, cook thoroughly, keep food at safe temperatures, and use safe water and raw materials.

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H.M. maintained ______ memory as he was able to perform better each time he did the mirror-tracing task.

A) nondeclarative
B) declarative
C) priming
D) conditioning
E) episodic

Answers

B ) declarative memory

What word is used to describe respiration which "uses oxygen"?

Answers

Answer:

aerobic respiration

Explanation:

Anaerobic respiration doesnt use oxygen whereas aerobic respiration does

Answer:

aerobic is the right answer

Explanation:

aerobic means a respiration that requires oxygen

while anaerobic means respiration that does not need oxygen

Question 6
Which of the following is not a factor of substance abuse?

Answers

Answer:

Can you give me the options

Helppp match the definitions :)

Answers

Answer:

1. Amino acid

7. RNA

5. Nucleic acid

3. DNA

6. Protein

2. Catalyst    

8. Substrate

Explanation:

1. AMINO ACIDS are the basic building block of proteins; they contain a carboxyl group (-COOH) and an amino group (-NH 2) in their structure. 2. A CATALYST is any substance that accelerates a chemical reaction without being used up in the reaction. They do this by lowering the activation energy of the reaction. 3. Deoxyribose nucleic acid (DNA) is a complex molecule containing the genetic code. It carries all the genetic information of living organisms. 4. AN ENZYME is a protein molecule that is specialized to speed up a specific chemical reaction in biological systems. It is referred to as a biological catalyst because it speeds up a chemical reaction in living systems. 5. NUCLEIC ACID is a sequence of sugars, phosphates, and nitrogenous organic bases. A nucleic acid (DNA and RNA) is a polymer of nucleotides, which are composed of the three molecules mentioned above. A sequence of nucleotides forms a NUCLEIC ACID. 6. PROTEIN is a large, complex organic molecule consisting of a large number of amino acids linked together by peptide bonds. The amino acid building blocks are linked together in a condensation reaction and catalyzed by Peptidyl transferase enzyme. 7. Ribonucleic acid (RNA) is a type of nucleic acid that participates in the synthesis of proteins. RNA is of three types viz: mRNA, rRNA and tRNA. They all play a role in the process of protein synthesis. 8. A SUBSTRATE is a compound that is involved in a chemical reaction and is chemically changed by the reaction. The substrate usually forms part of the reactant that yields the product.

(see attached)

Which of the following contributes to antibiotic
resistance?

A- giving antibiotics to livestock
B- taking multiple antibiotics at the same time
C- going to the doctor when an infection appears

Answers

Taking multiple antibiotics at the same time contributes to antibiotic resistance. Thus, the correct option is B.

What is Antibiotic resistance?

Antibiotic resistance may be defined as a process or strategy of microorganisms that generate the capability to conquer the drugs developed to annihilate them.

Overprescription of multiple antibiotics increases the ability of bacteria or other microorganisms to survive in harsh little conditions. Still, slowly they evolve themselves and resist the situation of the high effect of antibiotic resistance drugs.

Therefore, it is well described above.

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Consider the following prediction. Prediction: If tomato plants are harmed by NoGro herbicide, then an increase in the concentration of NoGro herbicide in the supplied water will result in a decrease in the average height of the tomato plants over a one-year period. Which of the following best describes this prediction? OA. The prediction is not useful because it has not yet been peer- reviewed by other scientists. OB. The prediction is useful because it summarizes what is already known about a particular research question. OC. The prediction is not useful because it fails to mention the name of the scientist doing the experiment.OD. The prediction is useful because it explains what observations will be made if a hypothesis is true Gold has a density of 19.32 grams per cubic centimeter. How much does one-half of a cubic centimeter weigh? Gold has a density of 19.32 grams per cubic centimeter . How much does one - half of a cubic centimeter weigh ? 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