Plant cells perform photosynthesis, which occurs in the
A) chloroplast.
B) cytoplasm.
C) mitochondria.
D) nucleus.

Final answer:

The Earth's core is primarily made up of iron and nickel, with a solid inner core surrounded by a liquid outer core that generates the Earth's magnetic field.

Explanation:

The Earth's core is composed primarily of dense metals, predominately iron and nickel. The core can be subdivided into two parts: the outer core, which is in a liquid state and is responsible for Earth's magnetic field, and the inner core, which is solid due to the immense pressure it is under. The core also contains some amount of sulfur. The materials in the core are at a very high density due to the pressure of the overlying layers. The Earth's core begins at a depth of about 2,900 kilometers and has a diameter larger than the planet Mercury.

The three main body systems of a plant are there roots, the leaves, and the stem. The roots soak up water and nutrients from the ground. The leaves absorb sunlight from the  sun. And the stem helps transport this nutrient around the plant. Thanks! Have a good day.

Tropical rainforests, savannahs, and deserts are categorized under Type A: Tropical or Equatorial Climates, and Type B: Dry or Arid Climates. Rainforests have high rainfall and constant warm temperatures, savannahs can have a wet and dry season, and deserts have very low rainfall with extreme temperature fluctuations.

The tropical rainforest, savannah, and desert biomes are all classified under particular climate types according to the Koppen climate classification system. Each biome is distinguished by specific temperatures and precipitation levels that define its climate category.

Tropical rainforests fall under Type A: Tropical or Equatorial Climates, characterized by warm temperatures year-round and a high level of precipitation, without any pronounced dry season.

Savannahs, or tropical and sub-tropical grasslands, are often associated with Type A climates as well, though some may experience a dry season, placing them in subcategories of this climate type.

Deserts are classified as Type B: Dry or Arid Climates, where there is very low and unpredictable precipitation and temperature can range from very hot to very cold across different times of the day or seasons.

Final answer:

Tropical rainforests are in Type A: Tropical or Equatorial Climates due to abundant rainfall, savannas are a type of tropical grassland in the same climate category, and deserts are classified as Type B: Dry or Arid Climates, characterized by low precipitation and high temperatures.

Explanation:

Tropical rainforests, savannas, and deserts are biomes that are all classified under different types of climates based on their temperature ranges and amounts of precipitation. Tropical rainforests are found in equatorial regions and are known for high levels of precipitation and biodiversity, falling under the Type A: Tropical or Equatorial Climates. Savannas are a form of tropical grassland with a distinct dry and wet season, also falling under Type A climates. Deserts, which could be either hot or cold, are categorized as Type B: Dry or Arid Climates due to their very low and unpredictable precipitation and high temperatures during the day.

The splitting of water to release hydrogen ions and electrons occurs during the 'light-dependent process' of photosynthesis, which uses 'visible light' from the electromagnetic spectrum to convert solar energy into chemical energy.

The correct option is 'A' & 'I'.

The process of splitting water to release hydrogen ions and electrons occurs during the light-dependent process.

This part of photosynthesis involves the photolysis of water, which is a critical step in the light-dependent reactions where sunlight is used to split water molecules into hydrogen ions, electrons, and oxygen.

Photolysis is crucial as it provides the electrons needed to replace those lost by chlorophyll in photosystem II, and it contributes to the buildup of hydrogen ions inside the thylakoid membrane, which is essential for ATP synthesis.

The section of the electromagnetic spectrum used for photosynthesis is visible light.

Photosynthetic pigments, such as chlorophyll, absorb certain wavelengths within this range to initiate the light-dependent reactions, converting solar energy into chemical energy in the form of ATP and NADPH, which are then used in the light-independent reactions. These energy carriers are vital for driving the Calvin cycle, ultimately leading to the synthesis of sugars.

The given question is incomplete, the complete question is :

"The process of splitting water to release hydrogen ions and electrons occurs during the _____ process.

A. light dependent

B. light independent

C. carbon fixation

D. carbon photophosphorylation

E. The section of the electromagnetic spectrum used for photosynthesis is:

F. infrared

G. ultraviolet

H. x-ray

I. visible light

B: Having Mrs. Q jump in her "regular" tennis shoes to measure that height and compare it to the height with the special volleyball shoes.

So different mass movements occur on slopes under different conditions. The abrupt movement and free fall of loosened blocks of solid rock, known as rockfalls; several types of almost imperceptible downslope movement of surficial soil particles and rock debris.

Hope that helps somewhat :)

They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs. For example, enzymes are proteins that speed up chemical reactions in the body and hormones, like insulin, are proteins that regulate the activity of cells or organs. Some proteins transport materials throughout your body, such as hemoglobin, which is the oxygen-transporting protein found in your red blood cells.

The correct answer is option C

The figure here represents that the oxygen is being taken up by the red blood cells in the lungs and will be transported to the whole body.

In return the carbon dioxide diffuse into the blood capillaries and is carried back to the lungs to get exchanged by oxygen.

This process of exchange of gas is called as respiration.

The answer to your question is,

C) Orange Juice. They need some sort of sweet item.

-Mabel <3

Here are some pics that i hope are useful to you

They both allow substances to enter and exit a cell, but there is some differences as well, simple diffusion does't use energy to transport substances in and out a cell, but active transport uses energy to transport substances in and out a cell.

Option C is correct.

b Biodiversity decreases since there are no organisms left to reproduce.

Any change in the climate or mass can effect the biodiversity badly. After the mass extinction there are no organisms to reproduce and proceed their generations further. So, the biodiversity decreases due to this.

Answer:

Theory of Plate Tectonics.

Explanation:

A dihybrid cross tracks two traits. Both parents are heterozygous, and one allele for each trait exhibits complete dominance. This means that both parents have recessive alleles, but exhibit the dominant phenotype. The phenotype ratio predicted for dihybrid cross is 9:3:3:1.

The study of genes and inheritance is called genetics. There are two types of genes and these are recessive and dominant.

The correct answer to the question is 1/16.

The cross between two characters in two different parents is called a dihybrid cross.

According to the question, A dihybrid cross tracks two traits. Both parents are heterozygous, and one allele for each trait exhibits complete dominance. This means that both parents have recessive alleles but exhibit the dominant phenotype. The phenotype ratio predicted for the dihybrid cross is 9:3:3:1.

Hence, the total number of offspring produced in the dihybrid cross is 16 and the ratio of pure recessive offspring will be 1/16.

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The difference between a solution and a suspension is in the particle sizes involved. A solution is a mixture of molecules and ions. Solutions are see through.  A suspension has bigger particle sizes so it may look cloudy

- A French diplomat: "Even in Europe [never before] an assembly more respectable for talents, knowledge, disinterestedness, and patriotism."

Thomas Jefferson wrote that the Convention were a "collection of demigods." Similarly, a French diplomat remarked that "

It is a big meeting of many knowledgeable and patriotic people try to write a blueprint for a country

- George Washington, James Madison, Benjamin Franklin, Hamilton, James Whilson and Gouverneur Morris,etc were in attendance

Answer:

It can be changed by current evidence

Explanation:

A theory aims at explaining a phenomena. It is postulated on evidence and generally gives a generalized statement in the end. To establish a theory, it should be able to explain the observations. Although rare, a theory can be changed or discarded if new evidence suggests against it. A theory is made on current scientific findings and any new advancement can lead to new findings which do not support it. In this case, the theory can be changed or modified. A theory is accepted by everyone including the scientists.

The main function of cellular respiration is to turn food into usable chemical energy called ATP. Your body can use ATP as a source of energy to function.

In foods such as carbohydrates, there is stored chemical energy that the body can't use right away. Cellular respiration is the process by which cells in plants and animals break down sugar and turn it into energy, which is then used to perform work at the cellular level.

The health of a pigeon guillemot bird is similar to the overall health state od the sea where they live - True

This statement is true because they represent the specific region from their habitat. The health of their habitat can be judged by their health. As they are primary or the secondary consumers of the food chains .

The function of the protein is determined by the sequence of the amino acid. The function of protein is determined by its shape, and the shape of the protein is determined by the sequence of nucleotide which is present in the gene which encodes for the protein.

These sequence determine the primary, secondary and tertiary structure of protein which depends mainly on the folding of the protein. And the biological function of the protein such as enzymatic, signalling and structural is determined by these structure.

Example: Each enzyme has a active site where substrate binds in order to carry out reactions. The shape of amino acid depends on the sequence of amino acid and protein folding.

Thus, the structure of amino acid sequence is dependent on the its function.

The structure of an amino acid is directly related to its function in cellular processes.

The structure of an amino acid is directly related to its function in cellular processes. Amino acids, which are the building blocks of proteins, have a central carbon atom bonded to an amino group, a carboxyl group, a hydrogen atom, and an R group or side chain. The R group is what gives each amino acid its unique properties and determines its function in cellular processes.

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RH Negative Blood Type

Answer: The plasma membrane

Explanation:

The plasma membrane also known as the cell membrane, is a covering that surrounds and delimits the cell, separating it from the external environment. It functions as a barrier between the inside of the cell and its environment by allowing molecules to enter and exit through it. This passage of molecules is a phenomenon called permeability. But the membrane does not let all the molecules pass easily, so it is selectively permeable.   The cell membrane is characterized by a dynamic structure, with fluidity being one of its most important features.  This fluidity is temperature-dependent, as it increases with increasing temperature. It also depends on the nature of the lipids that it possesses, since the presence of unsaturated and short-chain lipids favors the increase of fluidity. The presence of cholesterol hardens the membranes, reducing their fluidity and permeability.  Other functions of the cell are related to transport, communication, recognition and cell adhesion.  

In the composition of the membrane 40% corresponds to lipids, 50% to proteins, and 10% to carbohydrates.

The lipids that form the plasma membrane are mainly phospholipids. They form a double layer in which their hydrophilic heads are exposed and their hydrophobic tails are hidden. In each layer of the lipid bilayer the lipids are in continuous lateral movement, giving the membrane its fluid quality.  Membrane proteins are embedded in the lipid bilayer and their proportion varies from cell to cell.  Those on the outer surface or inside the lipid bilayer are peripheral proteins.  Those that penetrate the bilayer are integral proteins.  While the lipid bilayer determines the basic structure of the membrane, the proteins can perform multiple functions such as:

In order to live and grow, cells need to constantly receive nutrients and eliminate waste substances before they accumulate in the cell and cause damage. The cells also secrete substances produced by themselves. All nutrients, waste and secretions must pass through the membrane.  There are three general ways in which substances pass through the plasma membrane:

The cell membrane, also known as the plasma membrane is a thin, flexible barrier that surrounds every living cell, delimiting the cell from the environment around it.

The cell membrane is made of two layers of phospholipids, which are amphipathic molecules with a hydrophilic head and a hydrophobic tail. The hydrophilic heads face the aqueous environment inside and outside the cell, while the hydrophobic tails are sandwiched in between.

This structure allows the cell membrane to be selectively permeable, meaning that it only allows certain molecules to pass through.

The cell membrane is a vital part of every living cell. It plays a role in a wide range of cellular functions, and it is essential for the survival of cells.

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Cohesion and adhesion of water: Water can stick to itself (cohesion) and other molecules (adhesion). Specific heat, heat of vaporization, and density of water: Water has a high heat capacity and heat of vaporization, and ice—solid water—is less dense than liquid water.

Is there any answers they give you to choose from?

The correct answer is Carbon Dioxide

when the gas is yellow it is carbon dioxide

The right answer is A) Trisomy

Aberrant karyotypes containing an abnormal number of chromosomes are known in the human species. The best-known (and most common) chromosomal abnormality is trisomy 21, which is responsible for Down syndrome (mongolism). There are others such as Turner syndrome (woman with a single X chromosome) or Klinefelter syndrome (man XXY).

These abnormalities originate from the non-disjunction of the chromosomes of a pair of homologues during metaphase I of meiosis. At the end of division I, a daughter cell contains the two chromosomes of the pair considered and the other cell does not contain a chromosome of this pair. A similar result can be obtained during a bad distribution of chromatids during anaphase II.

After fertilization from a gamete of this type, a trisomy or a monosomy is obtained.

Answer:

A: Trisomy

Explanation:

Trisomy The result of fertilization of sperm C with a normal egg containing the haploid chromosome number would be trisomy. We do not know what chromosome underwent nondisjunction, so we cannot be more specific.

The answer is the number 2. Why? Because the cytoplasm is a fluid that sustains the cell shape. The mitochondria is a organelle, ribosomes are protiens and vacuoles are carriers/storage bins.

Living organisms modify their environment a little at a time

As an ecosystem progresses, the organisms in that ecosystem change their environment to best meet their needs, but they only do it in small ways which can make big changes over time.