PLEASE HELP ME !! THIS IS A TEST!! PLEASE!!!!
Under normal conditions, gases diffuse through small holes in the leaves of a plant. when the weather hot and dry, plants may close these openings to conserve water. how are the closures most likely to affect photosynthesis?

A.) They increase the rate of photosynthesis by increasing the amount of water in the leaf
B.) They have little or no effect on photosynthesis because gases do not take part in the process.
C.) they increase the rate of photosynthesis by increasing the amount of oxygen in the leaf
D.) they decrease the rate of photosynthesis by preventing carbon dioxide from entering the leaf
PLEASE HELP ME!! PLEASE ANS THANK YOU!!! ​

Answers

Answer 1

Answer:

A) They increase the rate of photosynthesis by increasing the amount of water in the leaf.


Related Questions

How does the uncontrolled cellular division result in cancer cells?

Answers

Answer:

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Drag the tiles to the correct boxes to complete the pairs.
Match the phases in the cell cycle to the events that occur in each phase.
interphase
mitosis
cytokinesis
the nucleus divides

the cytoplasm divides

the DNA replicates

Answers

Answer:

Interpase: the DNA replicates

Mitosis: the nucleses dishes

Cytokensis: Cytoplasam dishes

Explanation:

PLATO GANG WASSUP

The first phase is interphase, during which the nucleus divides and the DNA replicates. The second phase is mitosis, during which the cytoplasm divides. The third phase is cytokinesis, during which the cell divides into two daughter cells.

What is cell cycle ?

The cell cycle is the series of events that take place in a cell leading to its division and duplication. It consists of two major phases: interphase and the mitotic phase. The mitotic phase is further divided into two stages: mitosis and cytokinesis.

During interphase, the DNA of the cell is replicated in preparation for cell division. This phase is divided into three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2).

During G1, the cell grows and prepares for DNA synthesis. During the S phase, the DNA is replicated, resulting in two identical sets of chromosomes. Finally, during G2, the cell prepares for mitosis.

After interphase, the cell enters the mitotic phase. During mitosis, the replicated chromosomes condense and line up at the center of the cell. The nucleus then divides into two identical nuclei, each with a complete set of chromosomes.

After mitosis, cytokinesis occurs, which is the process by which the cytoplasm divides, separating the two daughter cells. The cytoplasmic division usually occurs simultaneously with the telophase stage of mitosis, resulting in the formation of two genetically identical daughter cells.

Therefore, interphase is the phase in which DNA replicates, mitosis is the phase in which the nucleus divides, and cytokinesis is the phase in which the cytoplasm divides to form two genetically identical daughter cells.

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Can anyone help me with these please?

Answers

ammonium chloride, lead chloride, aluminum sulfide, copper phosphate.

The diagram represents the Moon and its orbit around Earth. The arrow labeled X represents the force that keeps the Moon in its orbit. Which force is represented by X?

Answers

Answer:

A. Gravity

Explanation:

The strong gravity, or "Pull" of the Earth is what keeps the moon in orbit.

I hope this helps!

Gravity is the force represented by X that keeps the Moon in its orbit. Therefore, option (A) is correct.

What is gravity?

Gravity is a force that attracts two objects with mass towards each other. It is the force that gives weight to physical objects and is responsible for the friction between objects and the surface of the Earth.

The strength of the gravitational force between two objects depends on their mass and the distance between them. The greater the mass of the objects, the stronger the gravitational force between them. The farther apart the objects are, the weaker the gravitational force between them.

The most familiar example of gravity is the force that attracts objects towards the surface of the Earth. The Earth has a large mass, so it has a strong gravitational pull. This is why objects on the surface of the Earth are "weighted" and feel heavy.

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The diagram shown below represents the enzymatic processes involved in a chemical
reaction. This diagram best illustrates the-

Answers

Answer:

lock and key method ?

Explanation:

Answer: lock and key method

Explanation: It goes out and goes in just like how when you put a key in a locked door it will open and when you close it, it will close. And when it went down in the diagram, the thing in the middle sticked.

I don’t know what to do

Answers

Explanation:

sorry I'm also not understanding it properly , I apologise

The root of the plants wood look dry because the sun is going to dry them out

Mildred collects a sample of fossilized plant material. She takes it back to her lab to run some tests on it. Mildred is able to measure the amount of carbon-14 in her sample and compare this to the amount of carbon-12 in it. She uses this information to calculate that the fossil is 4,500 years old.

Answers

Answer:

The process that Mildred used is known as Radiocarbon dating

Note: The question is incomplete. The complete question is given below:

Mildred collects a sample of fossilized plant material. She takes it back to her lab to run some tests on it. Mildred is able to measure the amount of carbon-14 in her sample and compare this to the amount of carbon-12 in it. She uses this information to calculate that the fossil is 4,500 year old. The process that Mildred used is known as _______

Radiocarbon dating

Faulting

Indexing

Superposition

Explanation:

Radiocarbon dating is a process of determining the age estimates of various objects and materials using the radioactive properties of an isotope of carbon, carbon-14.

Radiocarbon dating uses the ratio of two isotopes of carbon, carbon-12 and carbon-14 present in materials which contains carbon to determine their age.

There is a fairly constant ratio of carbon-12 and carbon-14 in living organisms. However, at death, due to the decay of carbon-14 to carbon-12, the ratio begins to change. Since the rate of decay of carbon-14 is fairly constant, a property known as half-life, the time it has taken for carbon-14 to decay to carbon-12 can be calculated. This calculated time will givee the age of the fossilised material.

Whats The Answer Giving Brainliest To first Correct AnSwEr:D
..

Answers

Answer:

ice crystals

Explanation:

wispy clouds aka cirrus clouds are made up of ice crystals

hope this helps!

Do you believe that some people have extrasensory perception (ESP)? Why or why not?

Answers

Answer: Many people believe in extra-sensory perception, e.g. the ability to communicate with thoughts, to sense future events or locate radiation with the help of a V-shaped piece of wood. A majority of Americans - 57% - say they believe in psychic phenomena such as ESP (Extra Sensory Perception), telepathy or experiences that can’t be explained by normal means.

Explanation:

A small percentage of some human DNA has a connection tho neanderthal.

Answers

Answer:

This information is generally reported as a percentage that suggests how much DNA an individual has inherited from these ancestors. The percentage of Neanderthal DNA in modern humans is zero or close to zero in people from African populations, and is about 1 to 2 percent in people of European or Asian background

If the mrna is damaged, it directly interferes with the ability of a animal cell to do which of the following?

Answers

Answer:

Proteins.

Explanation:

If the mRNA is damaged, it directly interferes with the ability of producing proteins in animal cell because mRNA is responsible for carrying the protein blueprint from a cell's DNA to its ribosomes which are considered as the machines of the cell that produces proteins for the cell. These messenger RNA has the information about what type of proteins are required to produced for the cell. So if mRNA is damaged, the ribosomes are unable to produce proteins for the cell.

Reproduction by simple cell division is called sexual reproduction, whereas the process in which two parents contribute genetic material to offspring is called asexual reproduction.
True or False

Answers

Answer:

False

Explanation:

The process by which two parents contribute genetic material to offspring is sexual reproduction. And reproduction by sple cell division is sexual reproduction

The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein. How would you describe this type of movement across the membrane?
A. simple osmosis

B. active transport

C. simple diffusion

D. facilitated diffusion and please give a reason why you chose this answer

Answers

Answer:

the answer woiuld be b

Explanation:

What happens during a convergent: oceanic to continental boundary?

Answers

Answer:

When oceanic crust converges with continental crust, the denser oceanic plate plunges beneath the continental plate. This process, called subduction, occurs at the oceanic trenches. ... The subducting plate causes melting in the mantle above the plate. The magma rises and erupts, creating volcanoes

Explanation:

One study factored in fluoride levels in the bone near tumors. If there was a connection between osteosarcomas and fluoride, what would have been the outcome?

Answers

Answer:

Fluoride levels in the bone would be higher in individuals with osteosarcomas.

Explanation:

Fluoride levels will be higher in bone of the individuals with osteosarcomas.

What are the uses of fluoride ?  

Fluoride is a group of compounds which is a combination of fluorine and other elements, these compounds are present in water, plants, rocks, air, and soil.

Some of fluoride compounds are sodium fluoride, stannous fluoride, and fluoride mono-fluorophosphate.

Once fluorides are absorbed inside the body, it travels into the blood through the digestive tract, tend to collect in areas with high calcium like  bones and teeth.

Majorly fluorides are used in drinking water, beverages, food, and  dental products, mostly fluoro-silicic acid, sodium fluorosilicate, and sodium fluoride forms are added to water.

Some of the fluoridated water used to prevent tooth decay, and  avoid  dental fluorosis, a cosmetic condition.

Average number of decayed, missing, or filled teeth in children reduced by application of this water and  cavities in adults.

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What system includes the core, mantle, and crust of the Earth?
a.
geosphere
b.
hydrosphere
c.
atmosphere
d.
biosphere

The Answer is D. Biosphere
I just did the assignment

Answers

Well the biosphere contains all life so I think the geosphere would contain the rocks of earth because bio means life and geo means rocks

Final Answer: A. Geosphere

Explanation/Reasons:

Question: What system includes the core, mantle, and crust of the Earth?

Hey there! The correct answer would be A. Geosphere. The geosphere is a system in an area that includes the core, the mantle, and the crust. It is strictly oriented and formed by non-organic matter. The geosphere is one of the small numbers of areas of our planet.

~I hope I helped you :)~

Where in the chloroplast does the light independent reaction occur

Answers

Answer:

In photosynthesis, the light-dependent reactions take place on the thylakoid membranes. The inside of the thylakoid membrane is called the lumen, and outside the thylakoid membrane is the stroma, where the light-independent reactions take place.

Explanation:

Brainliest please?

What are the four possible gametes of an organism has the genotype KkMm?

Answers

Answer:

KM, Km, kM, km

Explanation:

Gametes, which are only produced during sexual reproduction, are formed as a result of meiosis. According to Gregor Mendel in his law of Segregation, alleles of a gene will separate into gametes in such a way that only one form of a gene (allele) will be present in each gamete.

In this question involving a dihybrid with genotype: KkMm, the allele combinations of the gametes that will be produced after meiosis are KM, Km, kM, km.

Why are leaves necessary for a plant?​

Answers

Answer:

PLEASE MARK AS BRAINLIEST!!

Explanation:

Leaves provide food and air to help a plant stay healthy and grow. Through photosynthesis, leaves turn light energy into food. Through pores, or stomata, leaves “breathe” in carbon dioxide and “breathe” out oxygen.

Leaves are the primary way plants interact with the atmosphere and take care of their basic needs. a plant can only survive for a few days without leaves. If the plants doesn't have any leaves than the plants wouldn't exist in the earth because leaves prepare food for the plants through the process of photosynthesis. and provides air to help a plant grow. leaves help the plants breath, and also helps in releasing water vapor through pores called stomata.

i hope this helped, have a good day!! xx

BRAINLIEST IF CORRECT I NEED HELP FOR BETTER GRADES 65 POINTS
Which of the following is not a part of a vascular plant?
A.stem
B.roots
C.rhizoids
D.leaf

Answers

Answer:

rhizoids are not part of a vascular plant


1. What is the meaning of genetics

Answers

Answer:

the study of heredity and the variation of inherited characteristics.

Explanation:

Answer:

Genetics is the study of DNA and traits this study involves the understanding of genes and biolog.

List and define the four main elements of the water cycle.
(SCIENCE)

Answers

Answer:

There are four main stages in the water cycle. They are evaporation, condensation, precipitation and collection

Explanation:

Evaporation- Is the the process in which water changes from a liquid to a gas or vapor.

Condensation- Is the process in which water vapor or gas in the air is changed into a liquid. Is the opposite of evaporation.

Precipitation- Precipitation is water from clouds in the form of rain, freezing rain, sleet, snow, or hail.

Collection- This is when water that falls from the clouds as rain, snow, hail or sleet, collects in the oceans, rivers, lakes, streams. Also some will soak into the ground and will collect as ground water.

Hope this helps ya!!

Are the Earth's seasons caused by the differences in the distance
from the Sun throughout the year or the tilt of the Earth's axis?

Answers

Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.

Which technology is shown in the photograph?
A. Negative controls
B. Gel electrophoresis
C. Biostimulation reaction
D. Polymerase chain reaction

Answers

Answer:

gel electrophoresis

Explanation:

im pretty sure thats what it is but correct me if im wrong

The correct answer is B!

What is the location of carbohydrates in the cell?

Answers

Answer:

I think its cell membranes

Please correct me if I am wrong thank you

Explanation:

Red is dominant over yellow. If a male purebred red rose(RR) is crossed with a female hybrid rose (Rr), what percent of the roses will be red?


25%
100%

Btw i learned 50% and 75% is wrong so that is why there is only two

Answers

Answer:

100%

Explanation:

Because one of the roses is purebred dominant, all recessive genes will be overshadowed.

What will happen in the future to coral reefs if Greenhouse Gasses continue to rise?

Answers

Answer:

they will all die

Explanation:

Answer:

there will be global warming

Explanation:

because since the planet closest to the sun has greenhouse it must be hot on the planet but not on the outside

Glucose is what type of molecule A: Multi- complex B: Protein C: Sugar D: Lipid

Answers

Answer:

Within all lifeforms on Earth, from the tiniest bacterium to the giant sperm whale, there are four major classes of organic macromolecules that are always found and are essential to life.  These are the carbohydrates, lipids (or fats), proteins, and nucleic acids.  All of the major macromolecule classes are similar, in that, they are large polymers that are assembled from small repeating monomer subunits. In Chapter 6, you were introduced to the polymers of life and their building block structures, as shown below in Figure 11.1. Recall that the monomer units for building the nucleic acids, DNA and RNA, are the nucleotide bases, whereas the monomers for proteins are amino acids, for carbohydrates are sugar residues, and for lipids are fatty acids or acetyl groups.

Explanation:

The female reproductive and endocrine systems work interactively for which main purpose?

Answers

Anwser:To control hormone levels to prepare the body for pregnancy

Explanation:

Viruses are particles that Select one: a. contain DNA or RNA which can be injected into a cell. b. have an exterior coat composed of protein. c. can contain an enzyme which catalyzes the reaction to make DNA from the viral RNA. d. All of these answer choices are correct.

Answers

Answer:

d. All of these answer choices are correct.

Explanation:

Viruses have an exterior coat composed of protein, the capsid. Inside of it, there is DNA or RNA. When the virus has RNA, it has an enzyme that allows the synthesis of DNA from RNA. This type of virus is a retrovirus since it does the inverse process, from RNA, it gives DNA and not the other way round.

First, as the capsid has proteins, it attaches to a receptor in the cell's membrane. Then the DNA or ARN enters the cell taking it as a host since it uses the cell's structure to replicate the viral DNA and make viral proteins and DNA that then it assembles to form new viruses that will be released to infect other cells.

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