A derived character that is shared among two or more lineages is also called a(n) ______. A) apomorphy. B) plesiomorphy. C) synapomorphy. D) clade.
A derived character that is shared among two or more lineages is called a synapomorphy. The answer is C)
Synapomorphies are important concepts in evolutionary biology and phylogenetics. They represent shared derived traits that evolved in a common ancestor and are inherited by all its descendants.
In phylogenetic analysis, scientists use shared derived characters, or synapomorphies, to establish evolutionary relationships between organisms.
These traits are contrasted with ancestral characters, known as plesiomorphies, which are present in the common ancestor but may be shared by a larger group of organisms beyond the immediate lineage under consideration.
Apomorphy is a term that refers to any derived character, regardless of whether it is shared or unique to a specific lineage. Plesiomorphy, on the other hand, describes an ancestral character that is present in a lineage and its ancestors. Clade refers to a group of organisms that includes an ancestor and all of its descendants.
Therefore, the correct term for a derived character shared among two or more lineages is a synapomorphy, which is option C).
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which statements characterize organelles? multiple select question. they are generally located within cells. each type of organelle differs in shape. each type of organelle has a specific function. all organelles have the same function.
Generally, organelles are found inside of cells which vary in shape and each type of organelle has a specific function.
A,B,C are correct answers.
Cell organelles are the cellular constituents. These cell organelles, which are found in the cells and differ in their forms and functions, include both membrane-bound and non-membrane-bound organelles.
For the cell to function normally, they coordinate and work effectively. Some of them work by giving shape and support, while others are involved in a cell's movement and reproduction. The cell has a variety of organelles that are divided into three groups based on whether or not they have a membrane.
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The complete question is:
Which statements characterize organelles? multiple select question.
A. they are generally located within cells.
B. each type of organelle differs in shape.
C. each type of organelle has a specific function
D. all organelles have the same function.
Which nitrogenous base correctly pairs with adenine in the dna strand during replication.
Answer:
Thymine
Explanation:
what is the role of erythropoietin in the physiological response related to a decrease amount of oxygen in the atmosphere? a. stimulation of bone marrow for production of platelets b. stimulation of bone marrow for production of erythroblasts c. stimulation of bone marrow for production of megakaryocytes d. stimulation of bone marrow for production of granulocytes
The role of erythropoietin in the physiological response related to a decreased amount of oxygen in the atmosphere is the stimulation of bone marrow for the production of erythroblasts (option b).
Erythropoietin (EPO) is a hormone produced primarily by the kidneys in response to low oxygen levels in the body. When there is a decrease in atmospheric oxygen, the body senses hypoxia and releases EPO. This hormone then stimulates the bone marrow to produce erythroblasts, which are immature red blood cells.
As erythroblasts mature into red blood cells, they increase the oxygen-carrying capacity of the blood. This is crucial for maintaining proper oxygen supply to tissues and organs, allowing the body to adapt to the decreased oxygen availability. Therefore, EPO plays a vital role in the physiological response to low oxygen levels by promoting erythroblast production in the bone marrow.
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some microbes can produce the enzyme dnase, which is secreted outside of the cell and breaks down nucleic acids in the microbe’s environment. dnase is an example of a _____________________ .
DNase is an example of an exoenzyme. Microbes can produce the enzyme DNase which is secreted outside of the cell
Exoenzymes are enzymes that are secreted by cells and function outside of the cell. These enzymes are important for the breakdown of large molecules, such as nucleic acids, into smaller molecules that can be easily absorbed by the cell. In the case of DNase, the enzyme breaks down nucleic acids into smaller nucleotides, which can then be taken up by the microbe and used for energy or as building blocks for the synthesis of new nucleic acids.
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Propose that all three carbon atoms in glycerol is labeled with 14C. The labeled glycerol is allowed to undergo metabolism in the genetically modified liver cell, in which the triose phosphate isomerase is no longer functioning. Which of the following are most likely to be true?
a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell b. All six carbon atoms in glucose are radioisotope labeled in the genetically modified liver cell c. Both a and b d. Neither nor b
It can be explained that triose phosphate isomerase deficiency or a loss of the enzyme activity of triose phosphate isomerase may result in a biochemical disorder called Triose phosphate isomerase deficiency. The correct answer is a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell.
During glycolysis, triose phosphate isomerase is a crucial enzyme that catalyzes the conversion of dihydroxyacetone phosphate (DHAP) to glyceraldehyde-3-phosphate (G3P).
a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell.
b. All six carbon atoms in glucose are radioisotope labeled in the genetically modified liver cell.
c. Both a and b.
d. Neither nor b.
The answer is a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell. When all three carbon atoms in glycerol are labeled with radioisotope 14C and the labeled glycerol is metabolized in the genetically modified liver cell, triose phosphate isomerase is inactive.
Therefore, glyceraldehyde-3-phosphate (G3P) is not converted to dihydroxyacetone phosphate (DHAP), and the cell accumulates G3P. This causes the G3P to enter the gluconeogenesis pathway and be transformed into pyruvate.The only carbon atom that is labeled with radioisotope 14C is the number one carbon atom of pyruvate. In the pyruvate molecule, the second and third carbon atoms are derived from carbon dioxide (CO2), which is not derived from glycerol.
Therefore, the correct answer is a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell.
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why does the left ventricle have a thicker myocardial wall? it has to pump blood to the left atrium. it has to pump blood to the body. it has to pump blood to the liver. it has to pump blood to the
The left ventricle of the heart has a thicker myocardial wall than the right ventricle because it has to pump blood to the body's systemic circulation, which is a high-resistance pathway that requires more force to overcome.
The left ventricle is responsible for generating the force necessary to push blood through the aortic valve and into the aorta, which then distributes oxygenated blood to the body's tissues and organs. In contrast, the right ventricle only has to pump blood through the pulmonary valve and into the lungs, which have a much lower resistance compared to systemic circulation. Therefore, the left ventricle needs to have a more robust and muscular wall to generate the force necessary to overcome systemic vascular resistance.
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1. Identify the stages of cell growth and reproduction.
Answer:
The cell cycle has two major phases: interphase and the mitotic phase (Figure 1). During interphase, the cell grows and DNA is replicated. During the mitotic phase, the replicated DNA and cytoplasmic contents are separated, and the cell divides. ... During interphase, the cell grows and the nuclear DNA is duplicated.
Explanation:
_____ is a term used to describe the influences of multiple genes on behavior.
The term used to describe the influences of multiple genes on behavior is called "polygenic inheritance."It refers to the transmission of characteristics from one generation to the next in which several genes determine the phenotype of an organism.
When traits or characteristics are determined by more than one gene, they are said to be polygenic. Examples of polygenic inheritance include height, weight, skin color, and eye color. A polygenic inheritance occurs when several genes contribute to a particular trait or characteristic in an organism.
Since most traits are influenced by multiple genes, polygenic inheritance is common in many organisms, including humans. Complex behaviors like language, intelligence, and personality are also believed to have a polygenic basis.
The study of polygenic inheritance is essential for the understanding of complex traits. In most cases, it involves identifying the genes involved in the inheritance of a particular trait, analyzing the interactions between them, and determining how they contribute to the trait's expression.
Polygenic traits tend to exhibit a continuous range of variation rather than discrete categories. That is, the trait is not an either/or situation. Instead, it is a continuum, where individuals fall somewhere along a spectrum.
For example, height in humans is a polygenic trait that shows a continuous distribution of values from short to tall. This continuous distribution results from the combined effects of several genes, each of which contributes a small amount to the overall height of an individual.
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What is happening in step 4 in the image below?
1. Upwelling of warming ocean water.
2. Formation of an ocean gyre..
3. Formation of a surface ocean wave.
4. Sinking of cooling ocean water.
Answer:
1. Upwelling of warming ocean water.
In step 4, upwelling of warming ocean water takes place.
What do you mean by upwelling movements?Upwelling is the natural process which brings cold, nutrient-rich water to the surface. A huge upwelling regularly occurs off the coast of Peru, which enjoys a large fishing industry as a result.
The upward movement of this deep, colder water is called upwelling. The deeper water that rises to the surface during upwelling is rich in nutrients. These nutrients “fertilize” surface waters, encouraging the growth of plant life, including phytoplankton.
Water that rises to the surface as a result of upwelling is typically colder and is rich in nutrients. These nutrients “fertilize” surface waters, meaning that these surface waters often have high biological productivity.
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Question 9 (1 point)
Choose ALL that apply for raft spiders.
Raft spider sight weight and large surface area allow it to walk on water.
Raft spider's heavy weight and small surface area allow it to walk on water
Raft spiders sprint along submerged plants to catch underwater prey.
Raft spider's legs have a waxy surface that repels water
Cortion 11
Raft spiders, also known as fishing spiders, are fascinating creatures that inhabit wetland habitats throughout the world. The correct option is A. Raft spider sight weight and large surface area allow it to walk on water.
C: Raft spiders sprint along submerged plants to catch underwater prey.
D. Raft spider's legs have a waxy surface that repels water
These spiders are unique in that they have evolved to sprint along submerged plants in order to catch their underwater prey. This incredible ability allows them to move quickly and efficiently across the water's surface, making them one of the most successful predators in their environment.
Raft spiders are well adapted to life in wetlands and have a number of unique adaptations that allow them to survive in this challenging environment. They have large, flat legs that enable them to move quickly across the water's surface without sinking. They also have specialized hairs on their legs that allow them to detect the slightest movements in the water, helping them to locate prey.
One of the most interesting things about raft spiders is their hunting strategy. These spiders use a combination of speed and stealth to catch their prey. They sprint along the surface of the water, using their specialized hairs to detect the movements of potential prey. Once they have located their target, they pounce on it with lightning speed, using their powerful jaws to immobilize it.
Overall, raft spiders are fascinating creatures that have evolved unique adaptations to help them survive in their watery world. Their ability to sprint along submerged plants and catch underwater prey is truly remarkable and makes them one of the most impressive predators in the animal kingdom.
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The ________ controls when the gene is transcribed by rna polymerase.
Please Helpppp!!!!!????
Answer:
First a glucose molecule enters the body cell, and then a glucose molecule is broken down in the cytoplasm. Then, oxygen is used to break down smaller molecules, smaller molecules enter the mitochondrion. Finally, a large amount of energy is released.
Explanation:
After you ate an energy bar full of glucose, the molecules will first enter the cells, prepare to be broken down in the first site, cytoplasm. And now, oxygen takes a part in it, continue to break it down. The smaller molecules now enter the energy source of a cell, which is mitochondrion, the energy will be released here.
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Using an example, (either molecular or macroscopic, or both if you can) describe how a mutation could have no effect on the organism. have a negative effect on the organism have a beneficial/positive effect on the organism.
Answer:
i rly dont know i just need points
Explanation:
pilot
Which is an unseen factor that affects the carrying capacity of the ocean? (1 point)
O water chemistry
O sunlight
O water availability
O space
sunlight is the correct answer
Answer:
The ocean is a vast and diverse environment that supports a wide variety of marine life. The ocean's carrying capacity, or the amount of organisms and resources it can support, is influenced by many factors, both seen and unseen. Unseen factors that affect the carrying capacity of the ocean include climate change, ocean acidification, and nutrient pollution.
Climate change is one of the major unseen factors influencing the ocean's carrying capacity. Global warming has caused sea surface temperatures to rise, which can lead to changes in ocean circulation patterns and increased ocean stratification. This can cause a decrease in ocean productivity, as the warmer and more stratified waters limit the amount of nutrients and oxygen available for different species. In addition, sea level rise caused by climate change can cause changes in coastal habitats and put some species at risk of displacement.
Ocean acidification is another unseen factor that affects the ocean's carrying capacity. As the ocean absorbs more and more of the carbon dioxide in the atmosphere, its chemical composition changes, leading to decreased pH levels. This causes the ocean to become more acidic, and this can have serious consequences for marine life. Many species are sensitive to pH changes, and acidification can cause them to suffer from decreased growth and reproduction. It can also impact the ability of corals and other calcifying organisms to produce calcium carbonate shells and skeletons.
Finally, nutrient pollution is an unseen factor that affects the ocean's carrying capacity. Nutrient pollution occurs when excess amounts of nitrogen and phosphorus enter the ocean from human activities such as agriculture, wastewater runoff, and sewage discharge. These nutrients can cause excessive growth of algae and other aquatic plants, leading to a decrease in oxygen levels and a decrease in biodiversity.
In conclusion, climate change, ocean acidification, and nutrient pollution are all unseen factors that can affect the carrying capacity of the ocean. These factors can lead to a decrease in ocean productivity, changes in ocean chemistry, and decreased biodiversity. Understanding the effects of these factors on the ocean's carrying capacity is essential for managing and preserving ocean resources.
justify this statement"rearing of silk upgrades the economic condition of individuals and the nation."
Answer:
Due to good price of silk in the market.
Explanation:
Rearing of silk upgrades the economic condition of individuals and the nation because silk has a high price in the market due to its demand in various industries. Silk is used in various products such as clothing, tires, parachute and surgical suture etc. When the silk is sold at good price, it automatically better the economic conditions of both the individuals who done rearing of silk and the country also earn money by export to other countries.
What is the primary gases in our atmosphere
Answer:nitrogen (N2) and about 21% oxygen (O2). Argon, carbon dioxide (CO2
Explanation:
nitrogen essay
with history, significant,and product
Nitrogen is an essential element for life on Earth. It makes up 78% of the Earth's atmosphere and is a crucial component of proteins, DNA, and other essential biological molecules.
Write an essay about nitrogen showing history, significance and product The history of nitrogen begins with the work of the Scottish chemist Daniel Rutherford, who first isolated nitrogen in 1772. Rutherford performed experiments on air and discovered that a portion of it was unreactive, leading him to isolate the gas that he called "noxious air." Later, the French chemist Antoine Lavoisier named the gas "azote," which means "without life." It wasn't until the 20th century that the gas was given the name "nitrogen."
Nitrogen has significant importance in various fields, including agriculture, medicine, and industry. In agriculture, nitrogen is a critical component of fertilizers and helps in the growth of crops. Without nitrogen, plant growth would be limited, leading to lower yields and decrease.
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The term _____________ is used to describe genes that do not determine gender, but are carried on the X chromosome
A. X - linked
B. Two X
C. One X
D. Autosomal
The term X - linked is used to describe genes that do not determine gender, but are carried on the X chromosome (A)
X-linked genes are those that do not determine gender, but are carried on the X chromosome. These genes are responsible for certain traits and characteristics that are passed down from one generation to the next.
X-linked genes can be dominant or recessive, and they can have a variety of effects on an individual's phenotype. Some X-linked genes are responsible for genetic disorders, such as hemophilia and Duchenne muscular dystrophy, while others are involved in normal development and function.
In contrast, autosomal genes are those that are carried on non-sex chromosomes and are not involved in determining gender. Two X genes are those that are carried on both X chromosomes, while one X gene is carried on only one X chromosome.
Overall, the term X-linked is used to describe genes that do not determine gender, but are carried on the X chromosome.
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Is the correct order in a homeostatic feedback system stimulus, receoptor, control centre, effector?
Answer:
Correct
Explanation:
Homeostatic is nothing but ability of a system or living organism to manipulate its internal environment to maintain a stable equilibrium, for example the ability of warm-blooded animals to ascertain a constant body temperature.
The Homoeostatic feedback mechanism has three basis components and they are independent to one another.
These components are receptor, effector and integrating center. The function of receptor is to sense external stimuli and send information to integrating center. The integrating center generally hypothalmus in brain sends this signal to effector for example an organ to react to the stimuli.
So, the order in a homeostatic feedback system stimulus, receoptor, control centre, effector is correct.
a person with damage to the premotor cortex area concerned with coordinating eye movements will have ...
A person with damage to the premotor cortex area concerned with coordinating eye movements will have imp-aired coordination and control of eye movements.
The premotor cortex is a region of the brain involved in planning and coordinating movements. It plays a crucial role in the control of voluntary eye movements. Damage to this area can result in difficulties in coordinating eye movements, leading to problems such as unsteady or je-rky eye movements, difficulty tracking objects or following a moving target, and impaired ability to shift gaze smoothly between different points of interest. This can significantly impact visual perception, reading, and other activities that require precise eye movement control.
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: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
17) When venous return is increased, stretch receptors in the atria of the heart are activated.
This results in
A) secretion of ADH.
B) inhibition of ADH secretion.
C) increased glomerular filtration.
D) decreased urine production.
E) increased thirst.
When the venous return is increased, stretch receptors in the atria of the heart are activated, which leads to the inhibition of ADH secretion. The correct option is B.
ADH is an antidiuretic hormone that controls the amount of water reabsorbed by the kidneys, thus regulating urine production. When ADH secretion is inhibited, it leads to decreased urine production and increased thirst. This is because the body is trying to conserve water and maintain fluid balance.
The activation of stretch receptors in the atria of the heart is an important physiological response that helps regulate fluid balance in the body. It is essential for maintaining homeostasis and preventing dehydration.
By understanding this process, healthcare professionals can identify and manage fluid imbalances in patients and ensure optimal health outcomes.
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Describe proteins (control all of life's activities; Structure of amino acid; importance of R group; Protein folding; Denaturation) Describe enzymes Describe nucleic acids (DNA vs RNA) Describe ATP and explain phosphorylation (why is ATP such a great energy source for cells?)
Proteins are a class of biomolecules that are involved in controlling all of life's activities. They're made up of long chains of amino acids that are connected by peptide bonds. The sequence and structure of amino acids in a protein determine its role.
R groups, which differ between amino acids, are also important for protein function. They contribute to the formation of protein folds and interact with other amino acids and molecules. Protein folding refers to the process by which a protein attains its unique three-dimensional shape, which is critical for its function. When proteins are subjected to extreme conditions like heat, pH, or harsh chemicals, they undergo denaturation. This can result in the loss of protein structure and function.
Enzymes:Enzymes are proteins that catalyze biological reactions by lowering the activation energy required for a reaction. They're also highly specific and can only catalyze a limited number of reactions. Enzymes are critical to many metabolic processes in cells, such as digestion and energy production.
Nucleic Acids:DNA and RNA are the two types of nucleic acids. DNA is a double-stranded helix that contains genetic information. RNA is a single-stranded molecule that assists in the transfer of genetic information from DNA to proteins.
ATP:Adenosine triphosphate (ATP) is a molecule that stores energy in cells. It's used to power many biological processes, including muscle contractions and protein synthesis. Phosphorylation is the process by which ATP donates a phosphate group to another molecule, increasing its energy content. This makes ATP a great energy source for cells because it can be quickly generated and broken down to release energy as needed.
Hence, Proteins are made up of long chains of amino acids that determine their function.
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What are the positive effects human activities on vegetation?
Answer:
Vegetation cover is also significantly impacted by human activities. Changes in land use resulting from human activities such as urbanization and agriculture are important factors influencing the spatial pattern of vegetation.
Answer:
Vegetation plays a vital role in our natural ecosystem and also supports the biosphere in various ways; vegetation helps to regulate the flow of numerous biogeochemical cycles, most importantly those of water, carbon, and nitrogen; it also contributes in the local and global energy balances. With the continuous increase in the population, the negative impact of human activities on the ecological environment is also increasing, such as overgrazing caused by the rapid increase of livestock.
group of various species that live in the same place and interact with one
another is a
A Species
B Habitat
C Community
D Abiotic Factor
Answer:
d
Explanation:
this is bc the definition of ecosystem is "An ecosystem consists of all the organisms in an area, the community, and the abiotic and biotic factors, the environment, that influence that community."
Pls help due today pls hurry
please answer this question.
Answer:
I can't answer the question if you don't give me any information.
Answer:
Okay, what do you need help with . I don't see any attachment
Explanation:
Guess this song
We all need that someone
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Right when you need it the most
We all need a soul to rely on
A shoulder to cry on
A friend through the highs and the lows
WILL GIVE BRAINLIEST FOR THE CORRECT ANSWER
Answer:
It's A mr sans
The mass of an object is the
a) force of gravity acting on it
B)amount of matter it contains
C)amount of space it takes up
D)amount of water it displaces
Answer:
the amount of matter it contains
Explanation:
mass is the amount of an object contained
in it
Select all the correct answers.
Exotic pets, such as lizards and tarantulas, have increased in popularity. These animals are caught in the wild and sold as pets. What are two possible effects this action can have on biodiversity?
It will lead to greater biodiversity in these animals’ native environments.
Populations of these animals could decrease in the wild.
It could increase competition among predators of these organisms.
It increases the chances that wild organisms will find an unrelated mate.
Answer:
B and C
Explanation:
PLATO
;)
Populations of these animals could decrease in the wild and It could increase competition among predators of these organisms actions can have on biodiversity.
What do you mean by biodiversity?Biodiversity or biological diversity is the variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic, species, and ecosystem level.
Biodiversity is all the different kinds of life you'll find in one area—the variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural world.
Biodiversity is the natural world around us, and the variety of all of the different kinds of organisms - the plants, animals, insects and microorganisms that live on our planet.
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