Explanation:
because we know that cell makes up organ and organ makes organ system and this system makes organism....cell is also the structural and functional unit of life it there were no cell specialization then mitosis and meosis wont take place neither cell division
Consider the following statements:
1. RNA is ribonucleic acid.
2. RNA is used for information transport (known as mRNA). Choose the correct answer from the given codes:
A Only 1
B Only 2
C Both
D Neither 1 nor 2
E None of the above
Answer:
Only A
Explanation:
RNA is used for storing and transporting information through mostly virus only..
A 45-year-old woman named Christine is measured as having the following skinfold thicknesses on the right side of her body: Triceps: 14mm; Thigh: 32mm; Suprailium: 28mm. Estimate her body fat percentage.
Answer:
The skinfold method, the measurement of subcutaneous fat folds, is the most widely adopted field method for the assessment of body fat, especially in children.
It is based on the principle that fat is of a known density and by “summing” measurements of subcutaneous fat thickness across the body, total and regional fat can be estimated.
Skinfold thickness measurements are typically used to rank individuals in terms of relative total “fatness”, or to assess subcutaneous fat at various regions of the body.
Population specific equations are used to derive estimates of percent body fat.
In infancy, it might be the sole tool available for assessing body composition longitudinally as other methods may not be feasible, or may only be suitable for use at body sizes e.g. PEA POD, can only measure infants up to 10kg.
The most generally used field method for determining body fat, particularly in kids, is the skinfold method, which involves measuring subcutaneous fat folds.
What is skinfold method?Skinfold method is defined as a method for determining how much body fat there is. It entails delicately pinching the skin and underlying fat in several locations using a tool called a caliper. To acquire precise findings using this quick and easy body fat estimation technique, a high level of competence is needed.
It is based on the idea that since subcutaneous fat thickness measurements may be "summed" to estimate total and regional fat because subcutaneous fat has a known density. Measures of skinfold thickness are widely used to categorize individuals based on their relative degrees of overall "fatness" or to assess subcutaneous fat in various bodily regions. Estimates of the percent body fat are derived using equations that are specific to a population.
Thus, the most generally used field method for determining body fat, particularly in kids, is the skinfold method, which involves measuring subcutaneous fat folds.
To learn more about skinfold method, refer to the link below:
https://brainly.com/question/12277553
#SPJ2
Please help!! Answers!!! I Need The Right Answer!! A group of scientists studied the environmental impact of internal combustion engines burning hydrocarbon fuels. The scientists equipped four vehicles with devices to capture and measure particulate emissions. One vehicle burned diesel fuel, one burned ordinary gasoline, one burned a gasoline/ethanol mixture, and one burned natural gas. The four vehicles had equal masses and carried identical cargo. The scientists drove each vehicle 400 kilometers, recording the volume of fuel burned and the quantity of particulate emissions generated.
What is the independent variable in this experiment?
A.
type of fuel
B.
distance traveled
C.
mass of vehicle and cargo
D.
quantity of particulate emissions
Answer:
A. type of fuel
Explanation:
The scientists combusted different types of hydrocarbons (different type of fuel)
In one study, 108 regions of the genome were identified to be significantly associated with schizophrenia. Below is a Manhattan plot showing the results from this study. Assuming that none of the causative variants are linked and there is a single causative variant per peak region, how many regions of chromosome 6 with causative variants were identified in this study
Answer: hello your question is incomplete attached below is the missing part of the complete question
The top of the highest peak corresponds to a region of the genome called the MHC locus. This means that of all the variants identified by this study, ____________.
the variant in MHC is observed the most frequently in the affected cohort.
the variant in MHC can cause schizophrenia in a Mendelian fashion.
the variant in MHC is the least likely to be a false positive result.
the variant in MHC has the largest odds ratio.
answer:
i) 4
ii) the variant in MHC is the least likely to be a false positive result. ( C )
Explanation:
The number of regions of chromosome 6 with causative variants identified is 4
While the variant in MHC is the least likely to be a false positive result. this is because, it is the highest peak in of all the causative variants identified in this study (i.e. closely related to the disease) and been the highest peak will make it least likely to return a false positive result.
What cause disease blood cancer
Answer:
-Advanced age
-Certain types of infections
-Compromised immune system due to such conditions as HIV/AIDS, taking corticosteroids, or organ transplant
-Exposure to certain chemicals
-Exposure to radiation or certain types of chemotherapy
-Family history of blood cancer
-HIV/AIDS
-Solid organ transplant recipient
-Personal history of certain blood disorders
-Personal history of certain genetic disorders (Down syndrome)
-Smoking
Explanation:
Leukemia
A type of cancer which affects the production and function of blood cells. This causes swollen lymph nodes, recurrent nosebleeds, tiredness, frequent infections, weight loss, bleeding, and bone pain. Leukemia symptoms vary, depending on the type of leukemia. Common signs and symptoms of leukemia include:
Swollen lymph nodes especially in the neck and armpits
Experience pain in bones
Night sweats - excessive sweating, especially at Night
Weakness and fatigue
Rapid weight loss
Red spots on the skin
Bleeding and bruising easily
Fever or chills
Frequent infections
Causes
The exact cause is not known. Hereditary and environmental factors may play a role in developing the disease.
The risk factors include:
Mutations in the DNA are frequently a major cause.
Sometimes chromosome translocation can also promote activation of oncogenes (the cancer inducing genes) and this can lead to disease progression.
Exposure to certain chemicals and radiation can also induce cancer.
Scientists predict that we will eventually use up all available fossil fuels. Which list includes only fossil fuels?
wood, natural gas, and coal
natural gas, coal, and oil
wood, natural gas, and solar
coal, oil, and solar
Answer:
The Answer is b.
Explanation:
I know this because i just took the quiz and got the question wrong with d. Your answer will be b.
The list that includes only fossil fuels is that which includes natural gas, coal, and oil.
What are fossils fuels?
Fossil fuels are fuel which are extracted from the ground such as natural gas, crude oil, coal, etc.
Fossil fuels are non-renewable energy sources and scientists have predicted that they are to be soon used up very soon.
Therefore, the list that includes only fossil fuels include natural gas, coal, and oil.
Learn more about fossil fuels at: https://brainly.com/question/3582182
#SPJ3
Which of the following is the best definition of an atom?
O A. A particle within the nucleus that has a neutral charge
B. A negatively charged particle that circles the nucleus
C. The fundamental unit of all matter, both living and nonliving
O D. A positively charged particle within the nucleus
SUBMI
Answer:
C. The fundamental unit of all matter, both living and nonliving
what best describes technology's use in science?
Technology, since the 19th century, has very much helped the development of Scientific theories. It has helped Scientists use telescopes to look into germs or zoom into the stars, it has also helped Chemists determine the weight of, say, a mashed up apple with soda.
Why is earth science important ?
Answer: The knowledge gained and the services provided by earth scientists help society cope with its environment in many ways. ... Their knowledge about the structure, stratigraphy, and chemical composition of the earth's crust helps us locate resources that sustain and advance our quality of life. hope this helped :)
Information that controls a cells function is stored in a molecule known as ______
Answer:
The nucleus controls most cell processes and contains the hereditary information of DNA. The nucleus is surrounded by a nuclear envelope that is composed of two membranes. – Proteins, RNA, and other molecules can move to and from the rest of the cell through nuclear pores.
which is more vulnerable to disturbances, a simple food web with only a few species or a more complex one
Answer:
few species
Explanation:
in a complex one im not sure as to how the question measures complexity but a complex one may have more options and more things to adapt to
Light dependent reactions are carried out both on and in between photosystems. This process is like the last stage of aerobic respiration in that both:______.
a. reaction sequences carry out electron transfer phosphorylations.
b. processes generate ATP.
c. processes involve electron flow.
d. systems are lodged along and within a membrane surface.
e. all of the above.
Answer:
e. all of the above
Explanation:
Photosynthesis and respiration are two complementary processes.
Photosynthesis occurs in chloroplasts. The electron transport chain is placed in the thylakoid membrane, where it occurs light-dependent reactions.Respiration occurs in mitochondria, in the internal membrane, where is the electron transport chain.Photosynthesis needs solar radiation to produce organic compounds.The respiration process needs organic compounds to obtain chemical energy.Photosynthesis transforms CO₂ into organic compoundsRespiration transforms organic compounds into CO₂.In the photosynthesis process occurs a release of oxygen, which is used during the respiration process. Both processes are part of the carbon biological cycle.Both processes use electron transport chains to capture energy, which will be used in other cellular reactions.Respiration´s final products are CO₂, ATP, and waterPhotosynthesis´s final products of light-dependent reactions are oxygen, ATP, and NADPH.In most unsaturated fatty acids found in animal fats, vegetable oils, and biological membranes, the cis isomer predominates. true false
Answer:
The correct answer is - true.
Explanation:
Most unsaturated fats are oils and normally are biological membranes or plant-based such as vegetables. These fats mostly have cis isomer in them. Unsaturated fats help to lower blood cholesterol levels.
However, few oils show saturated fats but these are few in number, the majority are made up of unsaturated fats that have double bonds.
The membrane potential that occurs when neurotransmitters bind to their receptors is called _______.
Answer:
action potential
Explanation:
Transmission of a signal within a neuron (from dendrite to axon terminal) is carried by a brief reversal of the resting membrane potential called an action potential. When neurotransmitter molecules bind to receptors located on a neuron's dendrites, ion channels open.
Answer:
I guess action potential is the correct one
which property has not been observed for membrane proteins being degraded for energy during biological pathways
Answer:
energy storage
Explanation:
Membrane proteins are proteins that are either form part of or interact with cell membranes. Based on their interactions, membrane proteins can be categorized into integral proteins, which are a permanent part of a cell membrane, and peripheral proteins, which adhere temporarily to the cell membrane. Membrane proteins play many critical functions, for example, 1-they are involved in the passive and active transport of substances across cell membranes, 2-act as enzymes that catalyze chemical reactions, 3-act as receptors that bind specific molecules (such as hormones or neurotransmitters) in order to activate signaling cascades, 4-mediate communication between cells, 5-provide a mechanical link between the extracellular matrix and the cytoskeleton, etc.
Which way do the chlorophyll bands move on the chromatography paper?
Answer:
They move up the chromatography paper.
Because the movement of the chlorophyll bands on the chromatography paper is dependent on the stationary phase and the mobile phase, the pigment separates different colors when moving the top of the paper.
What is the significance of chromatography?Chromatography is a technique that is used to separate and analyze a mixture of chemical substances and is a powerful tool in various fields such as chemistry and biochemistry. The significance of chromatography is that it allows scientists to identify and quantify individual components in a mixture and these techniques are helpful for the synthesis of drugs and other chemical products.
Hence, because the movement of the chlorophyll bands on the chromatography paper is dependent on the stationary phase and the mobile phase, the pigment separates different colors when moving the top of the paper.
Learn more about chromatography here.
https://brainly.com/question/26491567
#SPJ6
Even after taking into account all of the variants discovered by this study, there are still likely to be other variants that you have not discovered. The affected and unaffected cohorts are roughly the same size and are drawn from a similar population with similar ancestry. All of the following modifications to the study are likely to allow identification of new variants associated with the disease, EXCEPT ____________.
Question Completion with Options:
a. increasing the size of your cohorts.
b. increasing the diversity of your cohorts.
c. increasing the size of your affected cohort.
d. increasing the diversity of your affected cohort.
Answer:
All of the following modifications to the study are likely to allow identification of new variants associated with the disease, EXCEPT
a. increasing the size of your cohorts.
Explanation:
Option A is chosen because increasing the size of the cohorts will be equally divided between the affected and unaffected cohorts since the study discovered that these two classes are roughly the same size. Therefore, new variants of the disease may not likely be identified and isolated unless the other modification options are followed instead of Option A.
explain the importance of studying cytology
the importance of studying cytology are
Explanation:
Cytology is important in modern-day medicine as well. Cytological tests are used to observe human cells to determine the risk of abnormalities and cancer. The Pap smear test looks at cells as opposed to pieces of tissue and is used to screen women for cervical cancer.i hope it will help you
Congestive heart failure (CHF) is an inability of the heart to pump sufficient blood to the body. One sign of CHF is excess fluid in the tissue spaces, known as edema. Describe the location of the edema if the left side of the heart fails, compared to the location of edema if the right side of the heart fails.
Answer:
Explanation:
When the left side of the heart (left ventricle) starts to fail, fluid collects in the lungs (edema). This extra fluid in the lungs (pulmonary congestion) makes it more difficult for the airways to expand as a person inhales. Breathing becomes more difficult and the person may feel short of breath, particularly with activity or when lying down.
When the right side of the heart (right ventricle) starts to fail, fluid begins to collect in the feet and lower legs. Puffy leg swelling (edema) is a sign of right heart failure, especially if the edema is pitting edema. With pitting edema, a finger pressed on the swollen leg leaves an imprint. Non-pitting edema is not caused by heart failure.
Activity 3: Direction: Study the picture. Write the phases of the moon 1 new moon O first quarter O MOON PHASES last quarter waning crescent woving crescent Waning gibbous working globos
Answer:
1.full moon
2.waxing gibbous
3.first quarter
4.waning gibbous
5.new moon
6.wabing cresent
7.last quarter
8.waxing cresent
PLEASE BE QUICK! Question 7 of 35
Why do scientists use microscopes to study cells?
A. Because most cells are too dangerous to view without protection
B. Because it is quite rare to find living things that are made of cells
C. Because most cells cannot be seen without magnification
D. Because cells can be studied only after they have died
SUBMIT
Answer:
C
Explanation:
Most are too small to be seen with the naked eye. so they must be looked at with a microscope
The answer is C) Because most cells cannot be seen without magnification
Without the proper tools, the naked eye will never be able to see a cell. But when you have the correct tools, you will be able to spot them, as long if you know what you are doing. Cells are too small for the naked eye to see, just like trying to find the needle in the haystack without touching it.
what type of feature might be observed at this location?
Answer:
at what location? the question isnt finished
atoms May bond together to make larger what
Atoms bond together to make larger molecules or elements.
Which quantity does a light year measure
Answer:
distance = 9.46 trillion kilometers
Explanation:
Light years measure distance and is a unit that equals the distance light travels through space in one year on Earth (365 days) and is used as way to measure extremely vast distances in outer space. It equals 9.46 trillion kilometers.
ons
Question:
how high or low is the blood pressure
and does it change over time when
someone drinks coffee ?
Quantitative data:
blood pressure readings
me.
Qualitative data:
person's
5.
nswer?
Answer:
when people give you the answer plz check me
Answer:
How does caffeine affect blood pressure?
Caffeine may cause a short, but dramatic increase in your blood pressure, even if you don't have high blood pressure. It's unclear what causes this spike in blood pressure. The blood pressure response to caffeine differs from person to person.
Some researchers believe that caffeine could block a hormone that helps keep your arteries widened. Others think that caffeine causes your adrenal glands to release more adrenaline, which causes your blood pressure to increase.
what must be true about two objects if heat is flowing between them
Answer:
The objects must be the same temperature.
Explanation:
if heat is flowing between two objects, so both the objects must have the same temperature because the heat in object 1 passes to the object 2 due to the conduction property present in these objects. The heat flows from one body to another body until both have the same amount of heat energy as well as temperature so that's why we can say that both objects must be the same temperature.
Which genotype would give you a wild type phenotype?
Answer:
C
Explanation:
The most common Class II variant is the F508del variant, which is missing the 508th amino acid in the protein but has an otherwise normal sequence. Loss of this amino acid leads to misfolding of the protein, and the misfolded protein is not properly transported to the membrane. Based on this information, how many nucleotides are deleted in the CFTR allele encoding this variant?
Answer:
The correct answer is - 3 (two codons of 507th that are U, C, and the first nucleotide of 508th codon U).
Explanation:
Each amino acid is coded by a three-nucleotide base long codon. So in the case of the F508del variant, there is a deletion of three nucleotides that is encoded for phenylalanine amino acid.
In this isoleucine is encoded by 507th codon that is AUG and 508th codon is UUU codes for Isoleucine.
In this case, two codons of 507th are U, C, and the first nucleotide of 508th codon U. So overall three nucleotides are deleted in the F508del variant..
g Would an observational study or an experiment be more appropriate to investigate the effects on fertilizer on plant growth? Explain.
Answer:
The economists typically receive information premised upon the information gathered during controlled studies. A further explanation is provided below.
Explanation:
The investigators typically add particular manipulation throughout the observational investigation and analyze the consequences.The survey was performed here because the investigators simply would be required to examine the influence of fertilizer on the development of plants. Each assistance must be applied.Complete each sentence.
a. Cross-bridge binding triggers the release of ATP hydrolysis products from _________, and produces the _______ which generates force.
b. Ca2+ binds to _____________ on the thin filaments, causing tropomyosin to move away from its blocking position, thereby uncovering cross-bridge binding sites on ____________
c. Energized portions of myosin molecules called ________________ bind to actin.
d. __________________ binds to myosin, breaking the linkage between actin and myosin and thereby allowing the cross-bridges to ________from actin.
Answer:
Plzz upload a full picture of ur chapter
