Please helppppp I’ll mark brainliest

Answer: C. mutation in an organism's DNA

Explanation:

A lack of predators will not pressure a population to adapt or evolve, so no large changes would take place. This is also true for an abundance of natural resources. Underproduction of offspring is something that may affect a population, but this isn't something that will change genotypes or phenotypes of populations in order to adapt to this. Mutations in the DNA of organisms don't always result in a different trait, but when it does, natural selection will act on it; if it's favorable, it will become more prevalent as the new trait passes down onto offspring

Answer: Although each organelle performs a specific function in the cell, all of the cell's organelles work together in an integrated fashion to meet the overall needs of the cell.

Explanation:

Answer:

Capillaries connect the arteries to veins. The arteries deliver the oxygen-rich blood to the capillaries, where the actual exchange of oxygen and carbon dioxide occurs. The capillaries then deliver the waste-rich blood to the veins for transport back to the lungs and heart. Veins carry the blood back to the heart.

Explanation:

The DNA within a cell is duplicated during both meiosis and mitosis. Two sister chromatids are produced for each chromosome as a result of the replication and continued joining of each DNA strand, or chromosome.

Mitosis is defined as the cell-division process in which the chromosomes multiply and are equally distributed between the two daughter cells. Prophase, Prometaphase, Metaphase, Anaphase, and Telophase are the five stages that make up mitosis. Meiosis is defined as a process by which a single cell undergoes two divisions, resulting in four cells with half the original genetic material.

Cell division occurs during meiosis as well as mitosis. The M-phase of the cell cycle is where both processes take place. The prophase, metaphase, anaphase, and telophase stages are typical for both cycles. DNA synthesis occurs during both cycles. A common goal of meiosis and mitosis is the division of the nucleus and its DNA into two daughter cells.

Thus, the DNA within a cell is duplicated during both meiosis and mitosis. Two sister chromatids are produced for each chromosome as a result of the replication and continued joining of each DNA strand, or chromosome.

To learn more about meiosis and mitosis, refer to the link below:

https://brainly.com/question/20726356

#SPJ5

The percentage of the population that is a carrier of sickle cell disease is 91%. This is calculated by subtracting the 9% of the population that exhibit signs and symptoms of the disease from the total population (100%).

Disease is an abnormal condition that affects the body of an organism and can cause discomfort, dysfunction or even death. It is often caused by pathogens such as viruses, bacteria, fungi, parasites, or environmental factors such as radiation or chemicals. It can be caused by genetic predisposition or lifestyle choices, such as smoking or poor diet. Symptoms of a disease depend on the type and can range from mild to severe.

This leaves 91% of the population that is a carrier of the disease but does not show any symptoms. This is due to the fact that a person who is heterozygous for the sickle cell allele (has one sickle cell allele and one normal allele) typically does not show any symptoms of the disease.

To learn more about disease

https://brainly.com/question/14083398

#SPJ1

The Great Red Spot, a permanent region of high pressure in Jupiter's atmosphere, is responsible for producing the largest anticyclonic storm in the Solar System. Thus, option D is correct.

In Jupiter's atmosphere, there is a huge, rotating storm known as the Great Red Spot. It is similar to an Earthly hurricane, but considerably bigger.

The Great Red Spot on Jupiter is larger than Earth by more than two times! Within this storm, winds can gust as high as 270 miles per hour (ca. 435 km/h).

When astronomers first focused their telescopes on Jupiter in the 17th century, they discovered a striking reddish patch on the massive planet. More than 300 years later, the Great Red Spot is still visible in Jupiter's atmosphere. It is now understood to be a big storm that is rotating like a cyclone.

Therefore, Jupiter's Great Red Spot is believed to be (a large rotating hurricane-like storm (cyclone)).

Learn more about Jupiter's here:

https://brainly.com/question/29408671

#SPJ5

The correct answer is "microvilli." Microvilli are microscopic, finger-like projections that extend from the apical surface of cells in a simple columnar epithelium. These small structures greatly increase the surface area available for absorption and play a crucial role in enhancing the efficiency of nutrient absorption along portions of the digestive tract.

Within the digestive tract, the simple columnar epithelium lines the surface of organs like the small intestine and large intestine, where nutrient absorption occurs. The presence of microvilli on the surface of these epithelial cells provides numerous benefits for efficient absorption.

Firstly, the abundance of microvilli significantly increases the total surface area available for absorption. This increased surface area allows for a greater contact between the luminal contents (such as digested food) and the absorptive cells, maximizing the absorption of nutrients like carbohydrates, proteins, and fats.

Secondly, the microvilli contain specialized transport proteins and channels that facilitate the absorption of specific molecules. These proteins help transport nutrients across the epithelial cells and into the bloodstream or lymphatic system. The dense packing of microvilli amplifies the presence of these transport proteins, further enhancing absorption efficiency.

Additionally, the microvilli possess a brush-like appearance due to their close arrangement. This brush border aids in trapping and retaining the digested food particles and nutrients, preventing their rapid movement through the digestive tract. This allows for sufficient time for absorption processes to occur.

In contrast to microvilli, cilia are hair-like structures present on certain types of epithelial cells. While cilia have important functions like moving mucus and facilitating the movement of substances, they are not directly involved in absorption along portions of the digestive tract.

Therefore, the modification of the simple columnar epithelium that enables efficient absorption along portions of the digestive tract is the presence of microvilli.

learn more about microvilli here

https://brainly.com/question/33559498

#SPJ11

Answer:

Proline

Codon-Amino Acid Abbreviations

Explanation:

A  to contract to cause movement in the body

If a scientist finds new evidence that suggests this theory might be incorrect then more experiments are done to replicate the new findings.

A scientific theory is a well-sustained body of empirical evidence that supports the statements contained in such assumptions. These assumptions may change if new evidence emerges.

In conclusion, If a scientist finds new evidence that suggests this theory might be incorrect then more experiments are done to replicate the new findings.

Learn more about scientific theories here:

https://brainly.com/question/11555274

#SPJ1

Answer:

Explanation:

the answer is B

Answer:

D

Explanation:

the mRNA brings information to the nucleus for the tRNA to use

The key factors that determine a female primate's feeding success include resource availability and distribution, foraging efficiency and skills, competition with other individuals, and social dynamics within the group.

Feeding success plays a crucial role in the reproductive success of female primates. It directly impacts their energy intake, body condition, and ability to meet the nutritional demands of reproduction. Several key factors contribute to a female primate's feeding success.

1. Resource Availability and Distribution: The availability and distribution of food resources in the environment greatly influence a female primate's feeding success. Access to a variety of high-quality food sources increases the likelihood of obtaining sufficient nutrients and energy for reproduction.

2. Foraging Efficiency and Skills: A female primate's ability to efficiently locate, extract, and consume food plays a vital role in her feeding success. Foraging skills, such as the ability to select appropriate food items, use tools, or employ specific feeding techniques, can enhance feeding efficiency and increase the acquisition of necessary nutrients.

3. Competition with Other Individuals: In many primate species, females compete with conspecifics for limited food resources. Dominance hierarchies or social structures within groups can influence a female's access to food. Higher-ranking individuals often enjoy priority access to preferred food sources, while lower-ranking individuals may have to contend with lower-quality or less abundant resources.

4. Social Dynamics within the Group: The social dynamics and relationships among female primates within their social groups can also affect feeding success. Cooperation, social bonds, and alliances with other females may provide opportunities for sharing or accessing food resources, leading to increased feeding success.

These factors interact and vary among different primate species, habitats, and ecological contexts. Understanding the interplay between these factors is crucial for comprehending the feeding ecology and reproductive strategies of female primates. By maximizing their feeding success, female primates can enhance their reproductive outcomes and ensure the survival and fitness of their offspring.

To know more about Female primate's here: https://brainly.com/question/31156561

#SPJ11

Answer:

true

Explanation:

your body has many organs, which make a system of organs (you body)

Transduction the means by which sensory receptors convert different forms of energy into neural signals that the nervous system can process

Transduction refers to the process in which sensory receptors convert various forms of energy, such as light, sound, or pressure, into neural signals that can be interpreted and processed by the nervous system. It is a fundamental step in sensory perception.

During transduction, sensory receptors located in the sensory organs, such as the eyes, ears, or skin, detect and respond to specific types of stimuli. These receptors then convert the physical energy of the stimuli into electrical signals, known as action potentials, which can be transmitted through neurons to the brain.

To know more about transduction click here,

https://brainly.com/question/30747855

#SPJ11

Answer:

The offspring of sexually reproducing organisms are all genetically unique. Because of this, sexually reproducing organisms may have more successful survival of offspring in environments that change than asexually reproducing organisms, whose offspring are all genetically identical.

An example of sliding joint is Wrist joint. Therefore, option (D) is correct.

Wrist joint is an example. The wrist joint allows sliding or gliding actions because the wrist bones move smoothly. Sliding improves hand dexterity, making it easier to do tasks like keyboard typing and managing tiny objects.

The radius, ulna, and hand carpals form the wrist joint, a complex articulation. The wrist joint's fluid gliding movement aids the hand's flexibility and nimbleness, making it important for many ordinary activities. Therefore, option (D) an example of sliding joint is Wrist joint.

Learn more about sliding joint, here:

https://brainly.com/question/9206024

#SPJ3

Answer:

china world was large puplation of ther country and dencity was multiple

Answer:

Density-dependent factors include disease, competition, and predation. Density-dependant factors can have either a positive or a negative correlation to population size. With a positive relationship, these limiting factors increase with the size of the population and limit growth as population size increases.

The cornea is NOT considered to be a part of the accessory structures of the eye. The correct answer is (C).

The accessory structures of the eye do not include the cornea. It is an essential component of the eye's visual system since it is the transparent outermost layer that shields the iris, pupil, and anterior chamber. Examples of the accessory structures of the eye are the conjunctiva, palpebrae (eyelids), and lacrimal caruncle.

Conjunctiva: This thin, translucent membrane borders the inner of the eyelids and covers the front surface of the eye.

Palpebrae, sometimes referred to as eyelids, are moveable folds of skin that cover the eyes, disseminate tears, and help control how much light gets in.

Cornea: This transparent, dome-shaped layer at the front of the eye, which is not a component of the accessory structures, is in charge of reflecting light and guarding the eye.

Lacrimal caruncle: This little, rosy-colored clump of soft tissue is found in the inner corner of the eye. It generates a yellowish oily secretion known as the lacrimal caruncle secretion and has sweat and sebaceous glands.

To learn more about cornea here

https://brainly.com/question/29366850

#SPJ4

Answer:

The cell membrane consists of two adjacent layers of phospholipids, which form a bilayer. The fatty acid tails of phospholipids face inside, away from water, whereas the phosphate heads face the outward aqueous side.

The cell membrane consists of two adjacent layers of phospholipids, which form a bilayer. The fatty acid tails of phospholipids face inside, away from water, whereas the phosphate heads face the outward aqueous side.

What is cell membrane?

The cell membrane is a biological membrane that separates and protects the interior of all cells from the outside environment.

Moreover, the cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.

Hence, cellular membranes — including plasma membranes and internal membranes — are made of glycerophospholipids, molecules composed of glycerol, a phosphate group, and two fatty acid chains.

Learn more about cell membrane:

https://brainly.com/question/13524386

#SPJ2

Answer:

The phrase that best describes the role of fermentation is; "it converts glucose into pyruvate and NADH".

Glycolysis is the process in which glucose is broken down. It occurs under anaerobic conditions to yield 2 ATP molecules  in the process.

During fermentation, glycolysis continues in the absence of oxygen hence ATP is produced as follows; Glucose + 2 NAD+ + 2 ADP + 2 Pi --> 2 Pyruvate + 2 NADH + 2 H+ + 2 ATP + 2 H2O. Glucose is converted into  pyruvate and NADH. Pi refers to a phosphate group.

Chemical energy from broken bonds is transformed into mechanical energy for muscles. Therefore the correct answer is option (A)

Respiration is the process by which living organisms break down organic molecules, such as glucose, in the presence of oxygen to release energy for various cellular activities.

During respiration, the chemical bonds in molecules like glucose are broken down and their stored energy is released.

This energy is then used by the body to perform various activities, such as contracting muscles. In this process, the chemical energy stored in the bonds is transformed into mechanical energy, which is used by the muscles to perform work.

Learn more about Respiration here:

https://brainly.com/question/22673336

#SPJ1

Answer:d

Explanation:

Answer:

voluntary

tendons

antagonistic

contacts

relaxes

pushed

mitochondria

hope it helps

the words are in order starting from the top to the last one

The organ responsible for removing excess sodium from the body and assisting in blood pressure regulation is the kidney.

The kidneys play a crucial role in maintaining the balance of electrolytes, including sodium, in the body. Sodium is an essential mineral involved in various physiological processes, but excessive sodium levels can lead to fluid retention and increased blood pressure. The kidneys help regulate sodium levels through a process called renal sodium handling.

Within the kidneys, tiny filtering units called nephrons are responsible for filtering the blood and removing waste products, including excess sodium. The filtration process begins in the glomerulus, where blood is filtered to form a fluid called the glomerular filtrate. As the filtrate travels through the renal tubules, sodium and other substances are reabsorbed or excreted based on the body's needs.

The primary site of sodium reabsorption in the renal tubules is the proximal convoluted tubule. Here, sodium is actively transported out of the tubular fluid and back into the bloodstream. This reabsorption process helps maintain the appropriate sodium balance in the body.

Additionally, the hormone aldosterone, which is produced by the adrenal glands, plays a significant role in regulating sodium levels and blood pressure. Aldosterone acts on the distal convoluted tubules and collecting ducts of the kidneys, enhancing sodium reabsorption and increasing potassium excretion. By adjusting sodium reabsorption, aldosterone helps regulate blood volume and blood pressure.

The kidneys also have an impact on blood pressure through the renin-angiotensin-aldosterone system (RAAS). When blood pressure decreases, special cells in the kidneys release an enzyme called renin. Renin triggers a series of reactions that ultimately lead to the production of angiotensin II, a potent vasoconstrictor. Angiotensin II constricts blood vessels, increases fluid retention, and stimulates the release of aldosterone, all of which help raise blood pressure.

In summary, the kidney is the organ responsible for removing excess sodium from the body and aiding in blood pressure regulation through processes such as renal sodium handling, aldosterone secretion, and the RAAS.

Learn more about kidney here

https://brainly.com/question/26062461

#SPJ11

Answer:

Cell is our microscopic structure. We have Trillions of cells in our body, which plays very important roll. Our every tissue, organ, organ system, our whole body has composed of cells. In order to make a nice and informed decision for our health, we must need to understand our body at cellular level.

Please tell me if I'm wrong, maybe brainliest? I need it to level up

Answer: A cactus has needles to prevent animals from eating the water out from it.

Explanation:

Answer:

Reproduction is involves sperm and eggs which is Meisois

Growth and repair happens in all the tissues in the body which is Mitosis

Explanation: