A small round object that orbits the sun

Answer:

B is the correct answer.

A is incorrect because respiration is always occuring in animals and plants, therefore it means it does not require the presence of light. Photosynthesis does produce ATP, though.

Not C because photosynthesis does not occur in animals

Not D because they both are  different processes. They don't really depend on each other, though they could occur at the same time.

The electron microscope is used to view the internal structures of cells.

Electron microscope is any of several forms of microscope that use a beam of electrons, rather than one of light, and has a much greater resolving power.

The electron microscope makes use of electrons to view the structures of the cell and because of its high resolution, the electron microscope can view the internal structures of cells.

Electron microscopy is a technique that can be used to examine not just whole cells, but also the subcellular structures and compartments within them.

Therefore, the electron microscope is used to view the internal structures of cells.

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The PAV allele refers to a Proline (P) replacing Alanine (A) at position 384 in the Nucleoprotein gene, while the AVI allele refers to Alanine (A) replacing Valine (V) at position 24 of the Hemagglutinin gene.

The nucleotide replacements for the two alleles can be identified by analyzing the accession numbers AY258597 and BC104933. The PAV allele and the AVI allele are important in the study of the bird flu (H5N1) virus. There is a change in the nucleotide sequence in the avian influenza virus at position 1,146,353 of gene 6, which is referred to as the G5888A transition. It results in a substitution of valine (V) at position 186 of the NS1 protein with alanine (A). There are two variations of the H5N1 virus, which are the PAV and AVI alleles. The PAV allele has an A-to-C substitution at nucleotide position 1,127 in the nucleoprotein gene, resulting in a change from alanine to proline at residue 384 of the protein. On the other hand, the AVI allele has a T-to-C substitution at nucleotide position 70 of the hemagglutinin gene, resulting in a change from valine to alanine at residue 24 of the protein.

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Most bony fishes have a hard plate that covers the gills on each side of the head called the operculum which covers the gills on each side of their head.

The operculum plays a crucial role in the respiratory system of fishes, facilitating their efficient extraction of oxygen from water.

The operculum consists of a series of bony plates or bones that are attached to the gill arches. It is located on the sides of the fish's head, behind the eye, and acts as a movable flap.

When a fish opens its mouth, the operculum closes, ensuring that water flows over the gills. Conversely, when the fish closes its mouth, the operculum opens, allowing the water to exit the gill chamber.

This mechanism enables fishes to maintain a constant flow of oxygenated water over their gills, ensuring the exchange of oxygen and carbon dioxide necessary for respiration.

In addition to its respiratory function, the operculum also provides protection to the delicate gill structures, shielding them from potential damage.

Its sturdy nature helps safeguard the gills from external threats, such as predators or physical abrasion.

Overall, the operculum is a vital anatomical feature of bony fishes, serving both as a respiratory apparatus and as a protective covering for their gills.

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The main fuel for nuclear fusion in all starts is hydrogen. Thus, c is correct option.

Nuclear fusion is type of reaction in which two atoms nuclei are combined to each other and form one or more different atomic nuclei and release or absorption of energy is takes place.

Nuclear fusion is the process in which high masses starts are combined to each others and released high amount of energy.

Sun is main star and generates it's energy by nuclear fusion of hydrogen into helium.

Nuclear fusion of lighter nuclei than these nuclei release energy i.e ( an exothermic reaction) while the fusion of heavier nuclei than these nucleons retain energy i.e ( an endothermic reaction ).

Therefore, the main fuel for nuclear fusion in all starts is hydrogen. Thus c is correct option.

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Answer:

answer is b and c

Explanation:

they have different cells, and chloroplast is only in plant cell

Answer:

It will react with the carbon dioxide that is in the air

Explanation:

When it reacts it will turn to sodium carbonate

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Answer: The best way for farmers to prevent fungi from growing is to make sure there is not enough  moisture for fungi to survive and grow

Explanation: Fungi require moisture or water for a wide number of reasons. One of the best guesses I can give as a reason to why they might need it is to help them in the process of digestion. Fungi use digestive enzymes which are specially shaped proteins that break down macromolecules like glucose or cellulose and a number of other biological molecules, and they do this through one of two processes, dehydration synthesis, or hydrolysis. Hydrolysis in particular is the one that requires water. It uses pieces of water to break a bond between complex sugars and carbohydrates among other molecules, to separate them into smaller and easier to absorb monomers which are the subunits that make up the molecule. It breaks apart the water and uses the pieces to fill in the gaps of the pieces the monomers used to share.

Hydrostatic equilibrium is a state of balance in which the inward force of gravity is matched by the outward pressure of gas and radiation.

This can be thought of as an equally matched battle between the weight of the gas in a star, which pulls everything inward, and the outward pressure of radiation and gas, which pushes everything outward.

The pressure comes from the heat generated by nuclear fusion in the star's core, and it's this pressure that keeps the star from collapsing under its own weight. In other words, hydrostatic equilibrium is what keeps a star stable and prevents it from either collapsing or exploding.

It's an essential concept in astrophysics and helps us understand how stars work and how they evolve over time.

In the brain, hydrostatic equilibrium is linked with the maintenance of the fluid- ventricles and CSF that is filled in the brain and spinal cord.

The cerebrospinal fluid helps to reduce the weight of the brain so that it feels less heavy and it also cushions the brain and protects it from mechanical damage, while also providing nutrients and removing waste products.

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Answer:

Proteins are single stranded polymers

Answer:

False.

Explanation:

The new moon begins at the lunar cycle. But the full moon ends at the lunar cycle. Hope this helps! ^^

Answer:

Cellular differentiation.

Explanation:

Cellular differentiation is the process in which a cell changes from one call type to another. Usually, the cell changes to a more specialized type. Differentiation of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.

Answer:

Explanation:

-Responsiveness to the environment - The organisms can respond to objects in its environment

-Growth and change - The organism can develop, grow, change

-Ability to reproduce - The organism can reproduce on its own or with others from their species

-Have a metabolism and breathe

-Maintain homeostasis

-Being made of cells

-Passing traits onto offspring

Answer:

The urinary system removes liquid waste, while the excretory system removes solid waste.

Explanation:

just got it right

Characteristic exclusive to photosynthesis are Requires sunlight to proceed; Synthesizes carbohydrates to store energy; Occurs in the chloroplast of plant cells and occurs in plants. Characteristics exclusive to cellular respiration are Occurs in both plant and animal cells and releases carbon dioxide (\(CO_{2}\)). Generation of energy using proton(H') gradient and require of electron transport chain are common to both.

The characteristics mentioned in the question can be classified into three categories, i.e., exclusive to photosynthesis, exclusive to cellular respiration, or shared by both photosynthesis and cellular respiration. The classification is given below:-

Photosynthesis is the process in which green plants and some organisms convert light energy into chemical energy, and cellular respiration is a process in which chemical energy is extracted from organic matter.

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The range of motion for the proximal end of the humerus is wide (C. wide range of motion), and this is due to its ball-shaped articulation (C. ball shaped articulation). Option C

The humerus is a long bone in the arm that runs from the shoulder to the elbow. At its proximal end, it articulates with the scapula to form the shoulder joint. This joint is also called the glenohumeral joint, and it is a ball-and-socket joint that allows for a wide range of motion in the arm. The humerus has a rounded head that fits into a shallow socket on the scapula called the glenoid fossa.

This ball-and-socket structure allows for a wide range of motion in the arm, including flexion, extension, abduction, adduction, medial and lateral rotation, and circumduction. The shape of the proximal articulation is important because it determines the type and amount of movement that can occur at the joint. In the case of the glenohumeral joint, the ball-and-socket shape allows for a wide range of motion, while a joint with a more limited range of motion might have a more C-shaped articulation, such as the elbow joint or the knee joint.

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The type of scientific investigation of a plan based on conducting a test to find out whether the amount of pesticide will affect whether a weed makes seeds is A. Experimental investigation.

An experimental investigation procedure refers to formulating a given test in controlled conditions in order to determine if our working hypothesis can be confirmed or needs to be rejected, which is a fundamental step of the scientific method.

Therefore, with this data, we can see that an experimental investigation procedure allows us to confirm or reject the hypothesis.

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Generally speaking, the presence of animals in a terrarium can impact the water cycle by increasing the amount of water lost through transpiration and respiration, and by producing waste that can affect the water's chemistry. If changes were observed in the water cycle after adding animals, the causes would need to be determined through careful observation and analysis of the data collected.

In humans, brown eyes are dominant over blue eyes. When crossing a heterozygous brown-eyed person (Bb) with another heterozygous brown-eyed person (Bb), you can expect the following types of offspring:

1. Set up a Punnett square with each parent's alleles on the outside rows and columns.

     B    b
  --------
B | BB | Bb |
  --------
b | Bb | bb |
  --------

2. Fill in the Punnett square by combining the alleles from each parent.

  BB (homozygous dominant brown eyes)
  Bb (heterozygous dominant brown eyes)
  Bb (heterozygous dominant brown eyes)
  bb (homozygous recessive blue eyes)

3. Determine the expected ratio of offspring eye colors based on the Punnett square.

- 3 out of 4 offspring will have brown eyes (BB, Bb, Bb)
- 1 out of 4 offspring will have blue eyes (bb)

So, when crossing two heterozygous brown-eyed individuals, you can expect 75% of the offspring to have brown eyes and 25% to have blue eyes.

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The spontaneous transfer of gases between the lungs' alveoli and capillaries, known as diffusion, occurs without the body exerting any energy or effort.

Capillaries, which are little blood arteries, surround the alveoli. Due to the thin walls of the capillaries and alveoli, oxygen can move from the alveoli to the blood. The larger blood vessels, known as veins, which the capillaries later join, transport the oxygenated blood from the lungs to the heart. The definition of diffusion is the transfer of individual molecules of a material from a region of higher concentration to a region of lower concentration over a semipermeable barrier.

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Answer:

High Porosity

Explanation:

it would have a high porosity

Answer:

High porosity

The substance that is a provitamin or a precursor for a vitamin is beta-carotene.

Beta-carotene is a substance that acts as a provitamin or a precursor for vitamin A. Provitamins are compounds that can be converted into active vitamins by the body through metabolic processes. In the case of beta-carotene, it is converted into vitamin A through enzymatic reactions. Vitamin A plays a crucial role in maintaining healthy vision, supporting the immune system, and promoting proper growth and development.

Beta-carotene belongs to a group of pigments called carotenoids, which are naturally occurring compounds found in fruits and vegetables. It is particularly abundant in brightly colored fruits and vegetables like carrots, sweet potatoes, spinach, and kale. When we consume these foods, our bodies convert the beta-carotene present in them into vitamin A as needed.

The conversion of beta-carotene to vitamin A occurs primarily in the small intestine and is facilitated by an enzyme called beta-carotene 15,15'-dioxygenase. This enzyme cleaves the beta-carotene molecule, producing two molecules of retinaldehyde, which is then further metabolized into the active form of vitamin A, retinol.

Beta-carotene is an essential nutrient for human health, and its conversion to vitamin A provides numerous benefits. Vitamin A is essential for maintaining healthy vision, especially in dim light conditions, as it contributes to the synthesis of a pigment called rhodopsin, which is necessary for the perception of light. It also plays a role in the growth and development of cells, supports immune function, and acts as an antioxidant, protecting cells from damage caused by harmful free radicals.

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Answer:

The answer is 4/D)4. Don't expect me to get scientific in this, I'm using brainly and coursehero after all. Sorry for being a year late, hopefully it took you a year to finish the test. . .

Explanation:

K12/Keystone

Answer:

cooperation

Explanation:

Cooperation occurs when living things of different species work together to benefit themselves. The interaction between a bee and a flower is a symbiotic relationship. A symbiotic relationship between two living things is one in which at least one of the parties benefits. The relationship between the bee and the flower is a mutual one because both parties benefit.

While the pollen and nectar serve as food for the bees, the spread of the pollen to other plants assist in the reproduction process.

Mendel made the conclusion from his observations on the garden pea plant that for each and every trait in a population, a pair of alleles are present i.e., dominant and recessive allele. Thus, the correct option is B.

Mendel did his experiments on the garden pea plant (pisum sativum) in which he found that for all the characters two different alleles are present in a population in which one allele is dominant on the other which is recessive. The dominant allele is represented by capital letter and is present in all the generations whereas the recessive allele is represented by small letter and often skips the generation.

Thus, by compiling the results of pea plants, Mendel concluded that the characteristics could be divided into two forms- expressed and latent traits. He called these traits as dominant and recessive traits, respectively.

Therefore, the correct option is B.

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Your question is incomplete, most probably the complete question is:

Which of the following conclusions did Mendel form as a result of his observations?

A. Incomplete dominance

B. Dominant and recessive alleles are present for each trait

C. masking of effects of gene

D. DNA as the genetic material