A fossil of which organism would be found in the lowest layer of rock?
- fish
- amphibians
- reptile
- mammal
Answer:
Reptiles
Explanation:
I asked and it had a similar questionnaire and the only answer that it has in common was reptiles so that's what I would go for.
Answer: The answer is c. Reptile
About how many infective doses would it take to establish hiv infection in the human body?
An infectious dose is capable of establishing HIV infection in the human body. HIV-positive person who has acute HIV infection could carry a transmission risk of up to 2% (the equivalent of 1 transmission per 50 exposures) for receptive 20% (equivalent to 1 transmission per 5 exposures) for receptive.
How quickly can HIV be transmitted?It takes time for the body to develop HIV antibodies after infection. Almost all persons develop antibodies within 2 to 12 weeks, but it can take up to 6 months after infection. A positive result means antibodies to HIV were found in your body. This means you have HIV infection.
With this information, we can conclude that Through saliva, tears, or sweat. By hugging, shaking hands, sharing toilets, sharing dishes, or closed-mouth or “social” kissing with someone who has HIV. Through other activities that don't involve the exchange of body fluids (for example, touching). Through the air.
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Compare and contrast coenotyic and septate fungi
Answer:
Sometimes the hyphae are divided into compartments by cross walls called septa. Fungi with cross walls are called septate fungi, while fungi without cross walls are called coenocytic fungi.
Explanation:
Select the living organisms that will decrease as a result of the loss of coral in the food web.
Answer:
Butterfly fish, Triggerfish, parrotfish, and sharks
Explanation: Because the first three fish listed feed on coral, their populations will decrease if coral is eliminated because that means there will be less food to go around for the populations to consume. Many will die out. If those fish die, there will be less of them for the sharks to eat, causing the shark population to decrease as well.
a statement or an assertion , example : "Vitamin C can cure a cold"
Answer:
claim
Explanation:
points to whoever says pog
Answer:
Pog
Explanation:
the wet bulb temperature is 10 C the Dry bulb temperature is 14 C what is the relative humidity?
The relative humidity is approximately 22.9% based on the given wet bulb temperature of 10°C and dry bulb temperature of 14°C.
Relative humidityWet bulb temperature: 10°C = 50°F
Dry bulb temperature: 14°C = 57.2°F
SVP at wet bulb temperature: 0.284 * \(e^(17.27 * 10 / (10 + 237.3))\)= 0.284 * \(e^(-7.09)\) = 0.284 * 0.000828 = 0.0002356 psi
SVP at dry bulb temperature: 0.284 *\(e^(17.27 * 14 / (14 + 237.3))\) = 0.284 * e^(-5.97) = 0.284 * 0.002562 = 0.0007296 psi
AVP = 0.0002356 - (0.00066 * (57.2 - 50) * 14.7) = 0.0002356 - (0.00066 * 7.2 * 14.7) = 0.0002356 - 0.0686 = 0.000167 psi
RH = (AVP / SVP at dry bulb temperature) * 100
RH = (0.000167 / 0.0007296) * 100 = 0.229 * 100 = 22.9%
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Question 14 (2 points) The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called natural selection. O mutation. genetic drift. migration.
The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.
Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.
Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
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Why is the most likely reason for the direction of the plant growth?
What is an insertion mutation?
Answer:
An insertion mutation is when by accident extra DNA bases are added to the DNA. The insertion changes drastically the nature of the proteins produced by the DNA chain. The addition of extra DNA disrupts the reading frame of DNA resulting in the wrong amino acids being produced.
Explanation:
Imagine you have conducted a single-subject study showing a positive effect of a
treatment on the behavior of a man with social anxiety disorder. Your research has been
criticized on the grounds that it cannot be generalized to others. How could you respond
to this criticism?
The single-subject studies are designed to examine the behavior of a single individual, and they are not intended to be generalizable to larger populations. In response to the criticism that the results from a single-subject study on a man with social anxiety disorder cannot be generalized, it is important to acknowledge that might not capture all the details, single-subject studies can provide valuable insights into the positive effect of a treatment on an individual basis
Therefore, it is not appropriate to criticize the study on the grounds of its limited generalizability. Instead, it is more appropriate to view the study as a case study that provides a detailed understanding of how the treatment affected the behavior of the individual with social anxiety disorder. The study's findings may be used to guide further research and treatment efforts in this area, and it may also provide valuable insights into the treatment of other individuals with similar conditions. Although it may not be directly applicable to everyone, it serves as a starting point for further research and can guide larger-scale studies. Additionally, single-subject studies can help identify effective treatments for specific cases, contributing to the overall understanding of social anxiety disorder management.
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if you drop a human cell into pure water in a petri dish, water molecules will pass into the cell membrane, causing the cell to swell or sometimes even burst if it has no active mechanism to expel the water. what process is happening here?
The process is happening when we drop a human cell into pure water in a petri dish, water molecules will pass into the cell membrane is osmosis.
Osmosis is the spontаneous net movement or diffusion of solvent molecules through а selectively permeаble membrаne, in the direction thаt tends to bаlаnce the solute concentrаtions on the two sides, from а region of high wаter potentiаl (region of lower solute concentrаtion) to а region of low wаter potentiаl (region of higher solute concentrаtion).
In the case above, a human cell isа region of high wаter potentiаl and pure water is а region of low wаter potentiаl. It makes water molecules will pass into the cell membrane, causing the cell to swell or sometimes even burst if it has no active mechanism to expel the water.
Your question is incomplete, but most probably your full options were
a. metabolism
b. diffusion
c. osmosis
d. cellular respiration
Thus, the correct option is D.
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Many patterns exist in nature. Based upon what you learned about the common elements that make up human
Can someone please help me I am stressing over the question because it’s not even a question like what am I supposed to answer can Someone answer it
Answer:
The elements carbon, hydrogen, oxygen, and nitrogen are the most common in plants.
Hope this helps you!!!!! :D
I'm sorry you're stressing out just take deep breaths.
What are carbohydrates composed of and what is their main function in the body
Answer:
The Bottom Line
Carbohydrates serve several key functions in your body. They provide you with energy for daily tasks and are the primary fuel source for your brain's high energy demands. Fiber is a special type of carb that helps promote good digestive health and may lower your risk of heart disease and diabetes
Explanation:
HOPE IT HELPS
why is it important to understand
(&) study the way bacteria growth (&) spread ?
Answer:
can you help me
please then i will helpnyou
predict the charge on the predominant species of the peptide e−d−k−r−a−s−te−d−k−r−a−s−t at ph 5.0ph 5.0 .
The charge on the predominant species of the peptide e−d−k−r−a−s−te−d−k−r−a−s−t at pH 5.0 will depend on the individual pKa values of the amino acids in the peptide and the pH of the solution.
At pH 5.0, the amino acids Aspartic acid (Asp or D) and Glutamic acid (Glu or E) will be predominantly in their deprotonated form, with a negative charge. On the other hand, the basic amino acids Lysine (Lys or K) and Arginine (Arg or R) will be predominantly protonated, with a positive charge.
The total charge of the peptide will depend on the relative amounts of the deprotonated and protonated forms of the amino acids in the peptide, as well as the relative amounts of positive and negative charges. The exact charge on the predominant species of the peptide will depend on the detailed balance of the protonated and deprotonated species of the amino acids, which can be difficult to predict without additional information about the specific conditions of the solution.
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How do plants maintain homeostasis? Select all that apply.
By exchanging gas through stigmas.
By exchanging gas through stomata.
By closing stomata to prevent water loss.
By altering the activity within a cell with chemical transmitters.
By growing towards sunlight.
Plants maintain homeostasis by exchanging gas through their stomata (option B). Details about homeostasis can be found below.
What is homeostasis?Homeostasis is the ability of a system or living organism to adjust its internal environment to maintain a constant state.
Plants maintain homeostasis in their cell by opening a pore called stomata for gaseous exchange to occur i.e. loss of oxygen, intake of carbon dioxide
Therefore, plants maintain homeostasis by exchanging gas through their stomata.
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what is a likely advantage of having a multicellular body that consists of fine filaments (hyphae)? think specifically in terms of absorptive nutrition.
The organism is unable to expand much. Being tiny has the benefit of facilitating an organism's ease of environment adaptation. Size of a multicellular organism is its largest benefit.
A cell can only have a certain amount of surface area to volume An organism with more than one cell is referred to as a multicellular organism, as opposed to an organism with only one cell. All animal species, land plants, the majority of fungi, and many types of algae are multicellular organism. However, some organisms, such slime moulds and social amoebas of the genus Dictyostelium, are a combination of uni- and multicellular.
Environment simply refers to an organism's living conditions. Nature's two dynamic and intricate components are the environment and the organisms.
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x
x
X
Average cattle size over the past 100 years has increased steadily. Cows, on average, are more than 100
pounds heavier than they were a century ago. What is the most likely explanation of the increases observed in
the cows?
A
B
C
D
Increased global temperatures have decreased disease incidence of the cattle, leading to their
increased growth.
Increased water availability as water levels rise increased the growth and mass of the cattle.
Decreased competition with other mammal species in the wild has increased the aver-age growth rate
of cattle.
Humans have bred the cattle to have improved genetics that increase growth rates and mass.
N
Increased global temperatures have decreased disease incidence of the cattle, leading to their increased growth.
The correct option is A.
What is an example of growth?A gradual increase in time, size, mass, or height is referred to as growth. An example of maturity is a rowdy teen who grew noticeably quieter in her late 20s. A boy that grows an inch taller between both the ages of 14 and 15 is an illustration of growth.
What causes growth?Hormones created by the pituitary gland in the brain regulate a person's body's growth from the moment they are born. Growth hormone, sometimes referred to as human growth hormone, HGH, or GH, is the most crucial hormone for growth.
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The complete question is -
Average cattle size over the past 100 years has increased steadily. Cows, on average, are more than 100 pounds heavier than they were a century ago. What is the most likely explanation of the increases observed in the cows?
A- Increased global temperatures have decreased disease incidence of the cattle, leading to their increased growth.
B- Increased water availability as water levels rise increased the growth and mass of the cattle.
C- Decreased competition with other mammal species in the wild has increased the aver-age growth rate of cattle.
D- Humans have bred the cattle to have improved genetics that increase growth rates and mass.
the human body is made primarily of water, which has a density of 1000 kg/m3. a certain woman weighs 145 pounds. one kilogram of mass weighs about 2.2 pounds.
The approximate volume of the woman's body, in units of m3 is 0.0586.
Density= mass/ volume
Volume= mass/density
V = (129/2.2) / 1000
V=0.0586m3
A material's density is defined as its mass per unit volume. The density of a pure material has the same numerical value as its mass concentration. Varied materials have different densities, and density can be important in terms of buoyancy, purity, and packing. At normal temperature and pressure settings, osmium and iridium are the densest known elements.
Temperature and pressure affect a material's density. For solids and liquids, this variance is often minimal, but for gases, it is significantly bigger. Increasing the pressure on an item reduces its volume and hence increases its density. With a few exceptions, increasing the temperature of a material reduces its density by increasing its volume.
The complete question is:
The human body is made primarily of water, which has a density of 1000 kg/m3. A certain woman weighs 129 pounds. One kilogram of mass weighs about 2.2 pounds. What is the approximate volume of the woman's body, in units of m3?
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what are body building food
Answer:
Proteins
Explanation:
Red meat, peanut butter, protein shakes etc
Answer:
just go on a dirty or clean bluk
Explanation:
A bacterial culture is growing exponentially. At 7:00 AM, the number of cells was estimated to be 5. 5 X 104 cells. At 11:00 AM, the number of cells increased to 8. 7 X 107 cells. What is the generation time in minutes of the bacteria? Please assume we are in the log phase of growth for this bacterial population. Please show your work
There is exponential bacterial growth. It was calculated that there were 5. 5 X 10^4 cells present at 7:00 AM. As a result, the bacteria's generation period is roughly 29.3 minutes.
Here: N = \(N_{0}\) x 2^(t/g)
Here:
\(N_{0}\) = initial number of cells
N = final no's of cells
t = time elapsed
g = generation time
We can use the information given to solve for g.
At 7:00 AM, \(N_{0}\) = 5.5 x 10^4 cells
At 11:00 AM, N = 8.7 x 10^7 cells
The time elapsed is 4 hours, or 240 minutes.
Substituting these values into the formula, we get:
8.7 x 10^7 = 5.5 x 10^4 x 2^(240/g)
Dividing both sides by 5.5 x 10^4, we get:
1582.7 = 2^(240/g)
Taking the logarithm of both sides (base 2), we get:
log (base 2) (1582.7) = 240/g
Solving for g, we get:
g = 240 / log2(1582.7)
Calculating g, we discover that it is roughly 29.3 minutes. As a result, the bacteria's generation period is roughly 29.3 minutes.
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An unidentified element melt at -7-2 c and boils at 58C. What is its physical state at room temperature
can some one please help me on this question
Those are nucleus cells
If that’s your question
Answer: If that’s your question those are nucleus cells
How much force is required to make a 12kg object accelerate 0.5m/s/s?
Answer:
\( \large{ \boxed{ \tt{Answer : \tt \: 6N}}}\)
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In an experimental study of the effect of copper deficiency on coat color in bicolored juvenile rats, the independent variable is?
Answer:
amount of copper
Explanation:
The independent variable would be the amount of copper fed into the experimental rats.
An independent variable during an experiment is a variable whose value is not dependent on any other variable being measured in the experiment.
The value of an independent variable is not changed by any other variable in an experiment. In actual fact, the effect of the independent variable is being tested on other variables (dependent variables) in the experiment.
Hence, in an experimental study of the effect of copper deficiency on coat color in rats, the amount of copper fed into the system of the rats will be varied and the effects of this variation on the coat color of the rats would be observed by measuring relevant variables. Therefore, the amount of copper is the independent variable.
If they would like to examine the inner structure of the chloroplasts of an already dead dunaliella salina, what microscope would be best suited for this task?.
Transmission Electron Microscope would be best for such a task.
Transmission electron microscope is most suitable for analyzing the inner structure of the chloroplast as it a high magnifying power. Electronic beams are used in an electronic microscope instead of using light.
The ability of a transmission electron microscope to magnify an object is about 2 million times. Such high power makes it an excellent choice for examining the ultrastructure of organelles.
The electronic beam from a transmission electron microscope has enough capacity to penetrate inside organelles hence making it possible to study inner structures of organelles like chloroplast.
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"Dave", the feathered lizard fossil is thought of as a(n) ______________________ species, or an organism that may represent a common ancestor shared by different but related lineages of organisms
"Dave", the feathered lizard fossil is thought of as a(n) homologous species, or an organism that may represent a common ancestor shared by different but related lineages of organisms.
What is homologous evolution?Homologous evolution is similarity of the structure, physiology, or development of different species of organisms based upon their descent from a common evolutionary ancestor.
Homologous structures include the human arm, a bird or bat's wing, a dog's leg, a dolphin or whale's flipper, and the wing of a bird or a bat. They are distinct and serve different purposes, although they are comparable and have similar characteristics. They are regarded as homologous structures because their underlying anatomies are comparable.
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In ____, Breanna Holbert became the first African American female elected as national FFA president.
A. 2016
B. 2018
C. 2019
D. 2020
Who described self-efficacy as "what I believe I can do with my skills under certain conditions?"
a. Maddux
b. Bandura
c. Seligman
d. Zimbardo
Bandura described self-efficacy as "what I believe I can do with my skills under certain conditions.
"What is self-efficacy?
Self-efficacy is the belief in one's own ability to complete tasks and attain goals.
It is a form of self-belief in one's ability to achieve a specific outcome or goal. This belief may stem from prior experience, observing others, or assessing one's own abilities.
What is the importance of self-efficacy?
Self-efficacy has a significant impact on human behavior and motivation.
People who have a high level of self-efficacy are more likely to take on challenging tasks and work harder to accomplish their goals. Self-efficacy can also contribute to increased confidence and reduced stress levels.
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