Answer:chemical energy is correct.
Explanation:
Select one answer A Animal cells are more likely to experience nondisjunction than plant cells. B As the number of copies of chromosomes in a cell increases, complexity decreases. C Natural selection acts more quickly on animals than on plants. D Polyploidy is more common in plants than in animals.
The correct answer is D: Polyploidy is more common in plants than in animals.
Polyploidy refers to the condition in which an organism possesses more than two complete sets of chromosomes. It is more frequently observed in plants compared to animals. There are several reasons for this disparity. First, plants often have a greater tolerance for changes in chromosome number due to their more flexible developmental processes.Second, plants have a higher propensity for hybridization, which can lead to chromosome doubling and the formation of new polyploid species.
Hybridization events can result in the combination of different chromosome sets from distinct parent species, leading to polyploid offspring. Third, polyploidy confers unique advantages to plants, such as increased vigor, adaptation to diverse habitats, and potential for rapid speciation. Polyploid plants often exhibit larger cell sizes, altered gene expression patterns, and enhanced genetic diversity, enabling them to thrive in various environments. Hence, option (D) is the correct answer.
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What could a bioarchaeologist look at to determine the age at death of a mature human skeleton (>30 years old)
Bioarchaeologists use a variety of methods to estimate the age at death of a mature human skeleton (>30 years old). One of the most common methods is to examine changes in the teeth and the pubic symphysis, which are two areas of the body that continue to change throughout adulthood.
Tooth wear, loss, and the formation of dentin layers can all provide clues to a person's age at death. Changes in the pubic symphysis, such as the presence or absence of ossification and the degree of surface texture, can also be used to estimate age. Other methods include the examination of bone density, joint degeneration, and cranial suture closure.
Additionally, bioarchaeologists may use historical records or isotopic analysis to confirm or refine their estimates. Overall, a combination of these methods can be used to determine the age at death of a mature human skeleton with a reasonable degree of accuracy.
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A critical rewiew of the literature is necessary in nearly all research projects. True False QUESTION7 OLioctivity and parsimony ase toet rolated to the rigor of an invesigatoo? Truse False QUESTION B Scientific itwestigatoo is characterized by a good theoretical base and a sound methodological design. These charactetistics are both relsted to the of the invesigation Wist must be filled on the line? Rigor Precision and contidance. Otinectivity Farnemeriv.
1. True 2. True 3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the Option a. Rigor
True - A critical review of the literature is necessary in nearly all research projects. It helps researchers understand the existing knowledge and gaps in the field, identify relevant theories and methodologies, and build upon previous studies.
True - Objectivity and parsimony are both related to the rigor of an investigation. Objectivity refers to the impartiality and lack of bias in conducting and interpreting the research, while parsimony refers to the principle of simplicity in explaining phenomena or choosing the most straightforward explanation. Both objectivity and parsimony contribute to the rigor of a scientific investigation.
a. Rigor - Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the rigor of the investigation. Rigor refers to the thoroughness, precision, and reliability of the research process, including the theoretical underpinnings and the robustness of the methods employed.
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The correct question is:
1. A critical review of the literature is necessary in nearly all research projects.
True
False
2. Objectivity and parsimony are both related to the rigor of an investigation?
True
False
3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the of the investigation What must be filled on the line?
a. Rigor
b. Precision and confidence.
c. Objectivity
d. Parsimony..
For an X-linked recessive trait, 9% of the females in the population are affected. What percent of the males would be affected? What percentage of the population is represented by carriers? Show your work and circle your answers.
Answer:
Frequency of affected males: 30%
Carriers are represented by heterozygous females: 42%
Explanation:
According to the Hardy–Weinberg principle:
1 = q2 + 2pq + p2
1 = q + p
p2 = 0.09 >> p = 0.3
Males have only one X chromosome, thereby the frequency of affected males is the allele frequency >> 0.3 (30%)
q = p - 1= 0.7
Carriers are females that are heterozygous >>
2 pq = 2 x 0.3 x 0.7 = 0.42 >>> 42%
How do plants and animals depend on the atmosphere differently?
because plants give oxygen, nitrogen, and other good gasses into the air. humans
and animals use the atmosphere's gasses like oxygen to breathe and survive.
Some scientists argue that Earth's hydrosphere, atmosphere and biosphere could
NOT exist with the geosphere. On the other hand, they argue Earth's geosphere
could exist without Earth's hydrosphere, atmosphere and biosphere. Do you agree
Answer:
u r right but photosynthesis in plant doesn't affect its respiration so it takes oxygen normally like us but with a pros over animals in common which is photosynthesis ability
what type of system is currently used to map the ocean?
Answer: echo sounding
Explanation:
Answer:
something that is a system of mapping the ocean is "echo sounding"
What is the formula for anaerobic respiration?
Answer:
Anaerobic respiration takes place in the cell cytoplasm and produces lactic acid. The chemical equation is C6H12O6 -> 2C3H6O3 (Glucose -> Lactic acid). The lactic acid then needs to be oxidised later to carbon dioxide and water afterwards to prevent it building up
Which type cell type primarily forms the lateral olfactory tract, which projects to many areas in the brain
Answer:
the mitral/ tufted cells
Which figure depicts a transverse plane? Select one:
a.l
b. ll
c. None
d. lll
b. A plane dividing the body into upper and lower sections is the best representation of a transverse plane in relation to the human body. It cuts across the body horizontally, perpendicular to the longitudinal axis, separating the upper portion (superior) from the lower portion (inferior). So, option B is the right choice.
A transverse plane is a plane that cuts across the body horizontally, perpendicular to the longitudinal axis.It divides the body into upper (superior) and lower (inferior) sections.Therefore, option b. (a plane dividing the body into upper and lower sections) is the best representation of a transverse plane in relation to the human body.
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The complete question may be like:
Which of the following best represents the orientation of a transverse plane in relation to the human body?
a. A plane dividing the body into front and back sections.
b. A plane dividing the body into upper and lower sections.
c. A plane dividing the body into left and right sections.
d. A plane dividing the body into diagonal sections.
How can a father's habits affect the health of an unborn child during prenatal development?
A) father's use of crack cocaine causes sperm mutations, such that two sperm are capable of fertilizing a single ovum.
B) father's nicotine intake produces DNA changes that are passed to the fetus on chromosome 23.
C) father's use of barbiturates interacts with a mother's use of marijuana, resulting in missing chromosomes on a child's 8th pair.
D) father's use of alcohol or illegal drugs can affect his sperm, which in turn may lead to chromosomal damage that affects the fetus.
However, father's use of barbiturates interacts with a mother's use of marijuana, resulting in missing chromosomes on a child's 8th pair. This statement is not true, which makes option C incorrect.Father's use of crack cocaine causes sperm mutations, such that two sperm are capable of fertilizing a single ovum.
The father's use of alcohol or illegal drugs can affect his sperm, which in turn may lead to chromosomal damage that affects the fetus. This is how a father's habits can affect the health of an unborn child during prenatal development. It is important to note that the consumption of drugs, including alcohol, by expectant fathers poses significant risks to the developing fetus. Maternal alcohol or drug use, such as marijuana or cocaine, has long been known to have detrimental effects on the developing fetus, however, the negative effects of paternal alcohol or drug use on the fetus have only recently come to light. Nicotine intake does not produce DNA changes that are passed to the fetus on chromosome 23. Therefore, option B is incorrect . Barbiturates are a class of drugs that are used to treat a range of conditions, including anxiety and sleep disorders. They can be dangerous when taken improperly, leading to dependence and addiction. However, father's use of barbiturates interacts with a mother's use of marijuana, resulting in missing chromosomes on a child's 8th pair.
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The fact that the process of forming a solution is non-spontaneous means that it absorbs heat
True
False
The statement that the process of forming a solution is non-spontaneous means that it absorbs heat is True.
To know the reason behind it, the concepts of enthalpy, entropy, and Gibbs free energy should be understood.
What is Gibbs's free energy?
Gibbs's free energy is a state function that is a measure of the energy of a thermodynamic system. The Gibbs free energy change for a process is calculated using the enthalpy change, the entropy change, and the absolute temperature. It is a function of temperature, pressure, and composition, but not of volume and mass.
What is enthalpy?
The enthalpy of a system is defined as the sum of the internal energy of the system plus the product of the pressure of the system and the volume of the system. In other words, it is the amount of heat absorbed or released by a chemical reaction when all the reactants and products are at constant pressure. Enthalpy is often denoted as H.
What is entropy?
The entropy of a system is defined as the measure of the randomness or disorder of a system. It is a state function that is a measure of the number of ways in which a system can be arranged. In other words, it is a measure of the amount of energy that is not available to do useful work. Entropy is often denoted as S.
What is a spontaneous process?
A spontaneous process is a process that occurs naturally, without any external intervention. In thermodynamics, a spontaneous process is characterized by a decrease in Gibbs free energy. A spontaneous process can be exothermic or endothermic.
What is a non-spontaneous process?
A non-spontaneous process is a process that does not occur naturally but rather requires external intervention to occur. A non-spontaneous process is characterized by an increase in Gibbs free energy. A non-spontaneous process can be exothermic or endothermic.
The fact that the process of forming a solution is non-spontaneous means that it absorbs heat is TRUE.
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which of the following attributes apply to humans but not bacteria or viruses? check all that apply and only those that apply.a.are represented by a domain (taxonomically)b.grow by binary fissionc.grow on agar in a petri dishd.grow by mitosise.have chromosomes in a nucleusf.can be penicillin-resistantg.can convert rna into dnah.have membrane-bound lysosomesi.can't encode their own cellsj.are multicellular organisms
Humans are multicellular organisms, which means they are made up of many different types of cells working together to perform various functions. Bacteria and viruses are single-celled organisms.
The attributes that apply to humans but not bacteria or viruses are:
a. Are represented by a domain (taxonomically)
d. Grow by mitosis
f. Can be penicillin-resistant
g. Have membrane-bound lysosomes
j. Are multicellular organisms
Domain refers to the taxonomic classification system used to categorize living organisms. Bacteria and viruses have their own separate domains, while humans belong to the domain Eukarya.
Mitosis is the process by which human cells divide to produce two identical daughter cells. Bacteria and viruses grow by binary fission, which is a simpler form of cell division.
Penicillin is an antibiotic that is effective against many bacterial infections. However, some bacteria have developed resistance to penicillin. Humans can also develop antibiotic resistance, but this is not a characteristic shared by bacteria or viruses.
Lysosomes are organelles found in human cells that contain digestive enzymes. They are surrounded by a membrane, which is a characteristic not shared by bacteria or viruses.
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Select the correct answer from each drop-down menu. When the knee is hit with a rubber hammer, the leg kicks forward, and then returns to the original position. This is an example of a spinal reflex arc. The sensation of the hammer travels to the , where it activates motor neurons that cause the leg to move. This reflex is part of the nervous system.
Answer:
The sensation of the hammer travels to the Spinal cord where it activates motor neurons that cause the leg to move. This part of nervous system is called vegetative nervous system.
Explanation:
The human reflexes are not planned. When a knee is hit by a hammer the knee tends to move due to the automatic reflex. This is usually called knee jerrk. The doctors hit the knee with a hammer to check the stimulus response in a human. The sensory signals activates the neurons which gives signals to spinal cord where motor neurons are activated causing in an immediate response from the knee.
Answer:
When the knee is hit with a rubber hammer, the leg kicks forward, and then returns to the original position. This is an example of a spinal reflex arc. The sensation of the hammer travels to the spinal cord, where it activates motor neurons that cause the leg to move. This reflex is part of the sympathetic nervous system.
Explanation:
the sympathetic nervous system preps the body for fight or flight response.
What are the layers of the atmosphere? Classify them on the basis of height from the earth's surface.
Answer:
The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere.
Explanation:
Answer:
The atmosphere is comprised of layers based on temperature
The layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere.
-- but on line it also says there is an ionosphere
which characteristic makes fungi similar to plants
Questions why is the heating in the Benedict's is test and millon test carried out in a water bath
The heating in the Benedict's test and Millon test is carried out in a water bath to maintain a constant and controlled temperature. This ensures accurate and reliable results by minimizing external factors that could influence the reactions taking place.
The Benedict's test and Millon test are both chemical tests used to detect the presence of reducing sugars, such as glucose, in a given solution. These tests involve a reaction between the reducing sugar and a reagent, which undergoes a color change in the presence of the sugar.
Heating is an essential step in both tests because it helps to facilitate the reaction between the reducing sugar and the reagent. By applying heat, the rate of reaction increases, allowing for faster and more reliable results. However, it is crucial to maintain a consistent and controlled temperature throughout the reaction to ensure accuracy.
A water bath is used for this purpose. A water bath consists of a container filled with water that is heated to a specific temperature, typically around 70-100 degrees Celsius, depending on the test being performed. Placing the test tubes containing the reaction mixture into the water bath allows the solution to be heated uniformly and consistently.
The water bath provides a stable and controlled environment, preventing sudden temperature fluctuations that could affect the reaction rate and, consequently, the test results. It helps to maintain the reaction at the desired temperature for a specified duration, ensuring optimal conditions for the reaction to occur.
By carrying out the Benedict's test and Millon test in a water bath, scientists and laboratory technicians can achieve reliable and reproducible results, allowing for accurate identification of the presence of reducing sugars in a given solution.
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(50 POINTS ) Which of the following can be used to explain why water is able to dissolve many substances?
A. Water has strong cohesive properties.
B. Water has high heat capacity.
C. Water is a polar molecule.
D. Water has a neutral pH.
Answer:D. Water has a neutral pH.
Explanation:
A mutation that causes a human to have 11 ptosis 
Chromosome 11 is where the genetic material that causes Jacobsen syndrome is lost. A mutation that causes a human to have 11 Ptosis is Jacobsen syndrome.
Chromosome 11 is where the genetic material that causes Jacobsen syndrome is lost. Jacobsen syndrome is also known as 11q terminal deletion disease since this loss affects the long (q) arm of chromosome 11.
Ptosis may be caused by enlargement of the lid, injury to the nerve that regulates the eyelid muscles, issues with muscular strength (as in myasthenia gravis), or a combination of these.
By regulating ipsilateral eye movements, pupil constriction, and elevation of the upper eyelid, the oculomotor (third) cranial nerve contributes significantly to the function of the efferent visual system. As a result, damage to the third cranial nerve may result in diplopia, pupil mydriasis, and/or ptosis of the upper eyelid.
Therefore, the correct answer is Jacobsen syndrome.
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Why we need to take vaccine?
Answer:
so we are immune to future cancers or viruses we might possibly get
Answer:
Taking the vaccine won't only just protect you and give you immunity to serious, life-threatening diseases, but other people whom you love and care for!
Explanation:
I hope this helps you out! ^^
15 points bc I’m broke
Answer:
Add comparative anatomy and it should be right.
Explanation:
which of following hominin species is the most primitive? group of answer choices australopithecus africanus australopithecus boisei australopithecus robustus australopithecus afarensis
The most primitive hominin species among the options provided is D. Australopithecus afarensis.
Australopithecus afarensis is an extinct hominin species that lived between approximately 3.9 and 2.9 million years ago during the Pliocene epoch. It is one of the most well-known early human ancestors and is best known for the famous fossil specimen named "Lucy."
Fossil remains of Australopithecus afarensis were first discovered in the Afar region of Ethiopia in the 1970s. The most famous and significant discovery was the partial skeleton of a female individual named Lucy, found in 1974.
Australopithecus afarensis is of great significance to the study of human evolution because they represent a transitional form between earlier ape-like hominins and later more human-like species, such as Homo habilis and Homo erectus. They provide important insights into the origins of bipedalism and other key characteristics of our early ancestors.
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the cells located in the leaves of plants contain large amounts of chloroplasts.what is the purpose of chloroplasts in plant cells?
Animal cells do not contain chloroplasts, only plant cells do.chloroplast's function is to produce sugars that fuel the cell machinery . Process by which a plant absorbs energy of the Sun is called photosynthesis.
With a brief explanation, what is photosynthesis?
The method by which plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.
What is photosynthesis and why is it crucial?
The primary function of photosynthetic processes is to convert solar energy into chemical energy that can be stored for subsequent use. The biological systems on the planet largely receive energy from this method. It is not particularly effective by the standards of human engineering, but it does the job.
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Why couldn't Darwin or Oparin's ideas be called science?
Darwin's theory didn't show how the variations occur or what was the basis of the variations occurring in the organism. He failed to mention the concepts of DNA. He failed to mention the origin and transmission of variations in his theory of evolution. The Oparin-Haldane hypothesis suggests that life arose gradually from inorganic molecules, with “building blocks” like amino acids forming first and then combining to make complex polymers. I don’t know whether Oparin dealt with this issue, but I could think of several reasons. For example:
The chemical make-up on Earth today is not the same as it was 4 billion years ago. There are several differences, but one especially important factor is that the primitive atmosphere was almost devoid of free oxygen, which would have been harmful to early life that wasn’t very developed yet.
Any life that arises today would also have to compete with existing life, which is already much more advanced.
It’s also possible that some life does arise, say, every few million years… but that we haven’t observed it happening.
You need to understand that we don’t know yet how likely it is for life to appear naturally… and what the exact conditions are for this to happen.
NO LINKS AS AN ANSWER
NEED HELP ASAP
Match the following items.
1. can stay in the air for long periods of time
spores
2. do not have true roots or stems
stamen
3. male part of a flower
fungi
4. holds egg cells
algae
5. yeast reproduction
embryo
6. the little plant inside a seed
budding
7. create food using photosynthesis
ovary
Answer:
1/3 2/4 3/3 6/5 7/10
Explanation:
since the human genome was first published in 2001, scientists have quickly improved genetic sequencing, generating genetic and genomic data for hundreds of organisms. as data collection improves, the ability to collect and process whole genome sequences is becoming cheaper and easier. the prospect of sequencing entire genomes of many different species brings up many ethical questions related to both social issues and political policies. select the statements related to the use of genetic information that are not potential social or ethical issues in the united states.
As genetic sequencing technology has advanced since the publication of the human genome in 2001, scientists have been able to generate large amounts of genetic and genomic data for numerous organisms. With improvements in data collection, sequencing entire genomes has become more affordable and accessible.
However, the increased ability to sequence the genomes of various species raises ethical concerns surrounding social issues and political policies.
A list of statements that are not typically considered social or ethical issues related to the use of genetic information in the United States:
1. Understanding the genetics of diseases to improve diagnosis and treatment.
2. Developing personalized medicine and targeted therapies based on individual genetic profiles.
3. Studying the evolution and diversity of different species through comparative genomics.
4. Using genetic information to track the spread and control of infectious diseases.
5. Developing genetically modified crops and livestock to increase food production and sustainability.
6. Establishing genetic databases and biobanks to facilitate scientific research and improve public health.
7. Protecting genetic privacy and ensuring the ethical use of genetic information.
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(d) Other than the shape and presence of haemoglobin, state one more adaptation of a normal red blood cell. Explain how the adaptation helps the red blood cell to perform its function. ( d ) Other than the shape and presence of haemoglobin , state one more adaptation of a normal red blood cell . Explain how the adaptation helps the red blood cell to perform its function .
The adaptations of the red blood cells for this function include:
have thin membranes which enables easy diffusionsmall and flexible structure enabling them to travel through capillaries.What are some adaptations of red blood cells help it transport oxygen in oxygen and carbon dioxide transfer?Red blood cells are primarily responsible for delivering oxygen to cells and tissues as well as the removal pf carbon dioxide as waste from the tissues and cells.
The adaptations of the red blood cells for this function include:
possess thin membranes which enables easy diffusionthey are small and flexible enabling them to travel through capillaries.Therefore, red blood cells possess adaptation which enables them to transport gases efficiently to and from the tissues.
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You collected a sample from a patient with a suspected sti. After gram staining, you observed this under the microscope. What can you conclude about this microbial agent?.
I can conclude about this microbial agent that it is gram-negative. They are bacteria.
What are gram-negative bacteria?Gram-negative bacteria are a group of microbes that have a thin peptidoglycan cell wall.
Conversely, Gram-positive bacteria have a thick peptidoglycan coating, composed of around 30 layers of peptidoglycans.
The gram-negative bacteria include different microbial agents such as Pseudomonas aeruginosa, Chlamydia trachomatis, Escherichia coli, and Yersinia pestis.
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.
What is the best way to classify a Goliath bird-eating spider?
omnivore
carnivore
herbivore
Classify each characteristic as pertaining to atoms, elements, or both.- contains electrons- smallest amount of matter- a form of matter- defined by # of protons- composed of a single type of atom
Atoms - contains electrons, smallest amount of matter.
Elements: contains electrons, a form of matter, composed of a single type of atom, defined by number of protons.
Atoms and ElementsAtoms are the smallest unit of matter. They are made of an inner core consisting of protons and neutrons and an outside shell where electrons revolve.
Elements are pure substances composed of a single type of atom. They are defined by an atomic number which is the number of protons in the nucleus of their atoms.
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What is represented by the pattern of numbers in a molecule, that carries generic information?