Answer:
D
Explanation:
used to provide energy to the body
ronmental Science
17.1.2 Quiz: Characteristics of Populations
Question 1 of 10
What do members of a population have in common? Select all that apply.
A. They live in the same area.
OB. They have the same density.
C. They are the same species.
D. They are the same size.
O E. They live at the same time.
Answer:
A,C,D
Explanation:
A- Makes Sense because if you were a member of a population then the other members live in the same area as you.
B- Doesnt make sense because even though you live in the same population as someone, it doesnt mean you'd have the same density.
C- Makes sense because the definition of population is "a group of individuals of the same species living and interbreeding within a given area.
D- Doesnt make sense everyone is different size.
E- Makes sense in order to be considered a member of a population you have to be living
PLEASE HELP ME!!!! I am stuck.
The frequency of tasters and nontasters of PTC varies among populations. (Answer ALL questions)
- In population A, 94 percent of people are tasters (an autosomal dominant trait)
and 6 percent are nontasters.
- In population B, tasters are 75 percent and nontasters 25 percent.
- In population C, tasters are 91 percent and nontasters are 9 percent.
1. Calculate the frequency of the dominant (T) allele for PTC tasting in population A.
2. Calculate the frequency of the recessive (t) allele for nontasting in population A.
3. Calculate the frequency of the dominant (T) allele for PTC tasting in population B.
4. Calculate the frequency of the recessive (t) allele for nontasting in population B.
5. Calculate the frequency of the dominant (T) allele for PTC tasting in population C.
6. Calculate the frequency of the recessive (t) allele for nontasting in population C.
7. Assuming that Hardy-Weinberg conditions apply, determine the TT frequency in population A.
8. Assuming that Hardy-Weinberg conditions apply, determine the Tt frequency in population A.
9. Assuming that Hardy-Weinberg conditions apply, determine the tt frequency in population A.
10. Assuming that Hardy-Weinberg conditions apply, determine the TT frequency in population B.
11. Assuming that Hardy-Weinberg conditions apply, determine the Tt frequency in population B.
12. Assuming that Hardy-Weinberg conditions apply, determine the tt frequency in population B.
13. Assuming that Hardy-Weinberg conditions apply, determine the TT frequency in population C.
14. Assuming that Hardy-Weinberg conditions apply, determine the Tt frequency in population C.
15. Assuming that Hardy-Weinberg conditions apply, determine the tt frequency in population C.
Answer:
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Explanation:
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Which is the only element in group 1 on the periodic table that forms covalent bonds?
hydrogen
lithium
potassium
sodium
.
Answer:
Hydrogen
Explanation:
Hydrogen is the only nonmetal in group 1, therefore it is the only element in group 1 that forms a covalent bond.
Answer:
A.
Explanation:
RNA thường bắt đầu bằng base nào
Answer:
Xin lỗi vì bản dịch xấu. Nó được tạo thành từ các căn cứ adenine, cytosine, guanine và uracil.
Explanation:
So với RNA, DNA có thymine thay vì uracil trong một phân tử di truyền polymer.
1. Discuss at least two attributes of a study that you would look for to determine whether or not it is rigorous.
Some of the aspects that help you determine whether a study is rigorous are questions and hypotheses that can be answered, adequated method use, and bibliography.
Rigorous is a term that refers to a quality that focuses on accuracy and precision to comply with norms, precepts, and pre-established rules. This term is widely used in science to refer to the precision of a study or investigation.
Therefore, when it is established that a study is rigorous, its attributes must be taken into account, such as:
- Questions and hypotheses that can be answered: This aspect refers to the investigator having the ability to limit his study so that it is appropriate to do so and does not include too much information that makes his study "impossible".
- Adequated methods use: This refers to using the appropriate methods to reach feasible conclusions, for example, methods of observation, deduction, induction, among others.
- Bibliography: This refers to the research or study being supported by reliable sources so that it is as accurate as the information it provides.
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What is the frequency of a wave that has a wavelength of .20 m and a speed of 22 m/s
Answer:
110 Hz
Explanation:
Find the frequency of the wave using the formula, frequency = speed / wavelength.
Plug in the speed and wavelength, and solve:
frequency = speed / wavelength
frequency = 22 / 0.2
frequency = 110
So, the frequency of the wave is 110 Hz
What is the role of pitutary gland in puberity
Answer:
Puberty has begun. The trigger for puberty in both boys and girls is the production of 'gonadotrophin releasing hormone' (GnRH) from a part of the brain called the hypothalamus. This hormone stimulates the pituitary gland to release two hormones, Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH).
Explanation:
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Answer:
the gland produce hormones that help to regulate growth and body functions.
reptilesimprovements over amphibians
100 POINTS!!!!!!
The theories surrounding the formation of our solar system are based on many
biased opinions
incorrect facts
non-testable data
scientific investigations
Answer:
"scientific investigations."
Which of the following describes the product of Meiosis?
A. 4 genetically identical diploid cells
B. 4 genetically unique diploid cells
C. None of these are correct
D. 2 genetically unique haploid cells
Answer:
C
Explanation:
meiosis made 4 haploid daughter cells, with 1 round of dna replicates and followed by 4 division of haploid daughter cells
The MN blood group in humans is under the control of a pair of co-dominant alleles, M (we will call the frequency of M, p) and N (we will call the frequency of N, q). In a group of 556 individuals, the following numbers of individuals are found for each of the genotypes:
167 MM
280 MN
109 NN
a) What is the frequency of each allele? p= q=
b) What is the value of the Chi-square statistic test to find if in this particular case the genotypic frequencies conform to the Hardy-Weinberg distribution.
Chi square value =
c) What is the probability associated with you chi square statistic calculated above? Please complete the blanks below with the corresponding symbol, < OR > than the critical value, your conclusion with respect to the null hypothesis of Hardy Weinberg equilibrium, Retain or Reject.
P value __ than 0.05
Conclusion ___ the null hypothesis of HW equilibrium
Answer:
a) f(M) = p = 0.55
f(N) = q = 0.45
b) X² = 12.12
c) P₀.₀₅ = 5.991
d) P₀.₀₅ < X²
e) Reject the null hypothesis of HW equilibrium
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Which of the following combinations of phylum and description is correct? (and why?)
a) Nematoda − roundworms, internal skeleton
b) Porifera − gastrovascular cavity, coelom
c) Echinodermata - radial symmetry as a larva, coelom
d) Platyhelminthes − flatworms, gastrovascular cavity, no body cavity
The phylum and description that is correct among the options is Platyhelminthes − flatworms, gastrovascular cavity, no body cavity
Flatworms belongs to the phylum platyhelminthes. They are said to have no true body cavity, but they do have bilateral symmetry. For the lack of a body cavity, it is called acoelomates. They also have an incomplete digestive system. That is, the digestive tract has only one openingsFrom the above we can therefore say that Option d is the correct option that gives the true description of the phylum platyhelminthes
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Cells dispose of large waste molecules through a process called
osmosis.
diffusion.
exocytosis.
endocytosis.
Cells dispose of large waste molecules through a process called exocytosis.
Exocytosis is the process through which cells can eliminate wastes, which might be useless or toxic, to the extracellular space.
-------------------------------
The endocytosis and exocytosis process refers to molecules transport mediated by vesicles.
Exocytosis occurs from and into the cell and needs energy to happen because it is active transport.Exocytosis involves vesicles or vacuoles. Vesicles or vacuoles can carry substances destined for exportation or cellular wastes. Wastes may be large molecules that result useless for the cells or that might be toxic. During the exocytosis process1) excretion compounds of varying nature accumulate within the
vesicle
2) The vesicle migrates toward the cellular surface.
3) Once in the surface, the vesicle's membrane fuses with the cellular
membrane, and its content is expelled from the cell to the
extracellular space.
4) Vesicle membrane remains fused to the cell membrane until it is
reused during endocytosis events.
------------------------------
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Under normal conditions the sympathetic division is usually active in the body resting heart rates are influenced by nor epinephrine the parasympathetic system keeps heart rate lower than the heart would beat on its own. all of the above are true
Answer:
the parasympathetic system keeps heart rate lower than the heart would beat on its own.
Explanation:
The parasympathetic nervous system (PNS) is one division of the autonomic nervous system. The vagus (parasympathetic) nerves that innervate the heart release acetylcholine in order to slow the heart rate by decreasing the slope of the pacemaker potential. Acetylcholine activates a type of G-coupled protein receptor known as muscarinic receptors, allowing for a parasympathetic reaction in the cardiovascular system (where these receptors are expressed), and thereby decreasing cardiac output by inhibiting heart rate. During rest, PNS predominates and controls the heart rate at a resting rate of 65-80 beats/minute (bpm), if parasympathetic nerves to the heart are cut, then the heart beats at its own rate of about 100 bpm.
what is the difference of biology and human and social biology?????
Answer:
Man's health (human biology) affects and effects change on society (social biology). Human and social biology scrutinizes the human body, disease, health, nature and the environment's influence on biology.
Answer:
Man's health (human biology) affects and effects change on society (social biology). Human and social biology scrutinizes the human body, disease, health, nature and the environment's influence on biology.
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Partes del sistema linfatico
Answer:
Explanation:
Le parti principali del tessuto linfatico sono il midollo osseo, la milza, la ghiandola del timo, i linfonodi, i linfonodi e le tonsille.
Question 12 of 25
How are photosynthesis and cellular respiration related?
A. The products of photosynthesis are the reactants of cellular
respiration.
O B. Cellular respiration is the process animals use to produce glucose,
while photosynthesis is the process plants use to produce
glucose.
C. Cellular respiration provides the energy for photosynthesis.
D. Photosynthesis produces water molecules, while cellular
respiration splits water molecules apart.
SUBMIT
Answer:
A) The products of photosynthesis are the reactants of cellular
respiration.
Explanation:
Photosynthesis converts carbon dioxide and water into oxygen and glucose, so that cellular respiration converts oxygen and glucose into water and carbon dioxide.
M. magneticum can only survive in low-oxygen environments, which are typically found near the bottom of bodies of water.
a. True
b. False
What is the best way to ensure that results of a study are generalizable to a population?
By making sure to use as many participants as possible
By making sure the results are significant
By making sure to use an equal number of men and women
By using random assignment
By using a random selection of people in that population
The best way to ensure that results of a study are generalizable to a population is by using a random selection of people in that population
The goal of every research experiment is to obtain results that are generalizable to a whole population.
This is achieved by the method of random selection. In random selection, members of the of the population are selected in such a way that is representative of the entire population. If for instance, I want to study a school having six classes which comprises of boys and girls. There are 700 students in the school and I need only 180 students to participate in a study whose results will be extrapolated to all the 700 students. I can decide to randomly select 15 boys and 15 girls from each class to participate in the study. This is an example of random selection.
In this way, the results obtained from the study is reflective of the whole population even though only a sample of the population actually participated in the study.
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What type of cells are produced during
meiosis?
A. asexual cells
B. diploid cells
C. division cells
D. haploid cells
Answer:
D. haploid cells
Explanation:
Meiosis results in 4 gametes with 23 unpaired chromosomes, making them haploid cells.
The largest population of a particular species that an ecosystem can support
is the ecosystem's
O A. biome
O B. biodiversity
O C. carrying capacity
O D. keystone species
VOU
O Type here to search
D
SA
The largest population of a particular species that an ecosystem can support is the ecosystem's carrying capacity.
What is a carrying capacity?Carrying capacity in ecology refers to the number of individuals of a particular species that an environment can support.
Every ecosystem has a maximum number of biotic components that it can support to ensure the sustainability of its resources.
Therefore, the largest population of a particular species that an ecosystem can support is the ecosystem's carrying capacity.
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What is
FOOD & NUTRITON 1
Answer:
1 How food keeps us healthy. Food is needed for energy and nutrients to exist, it provides energy for work, and warmth for the body. Everybody also needs food to build, maintain and repair their body. It is also required for control of body processes and for protection against disease and infections.
Answer:
Any nutritious substance that people or animals eat or drink or that plants absorb in order to maintain life and growth.
Nutrition is the biochemical and physiological process by which an organism uses food to support its life.
How many newborn would you expect to have cystic fibrosis in a population of 10,000 people?
Answer:
6
Explanation:
10,000 people divided by 1700 is about 5.8
round 5.8 to a whole number at you will expect 6 people to have cystic fibrosis in a population of 10,000 people
Which of the following statements best describes one difference between transcription and translation?
Una de las aplicaciones más importa del electromagnetismo son
Answer:
Las principales aplicaciones del electromagnetismo se emplean en: La electricidad. El magnetismo. La conductividad eléctrica y superconductividad.
Explanation:
Explain why the lack of surfactant would result in respiratory distress. Furthermore, what type of acid-base disorder might she develop and how would her body compensate. Be detailed in your explanation and support your answer with facts from your textbook, research, and articles from scholarly journals.
Answer:
Due to lack of expansion of lungs.
Explanation:
The lack of surfactant compound would result in respiratory distress because Surfactant enables the lungs to expand more easily which allows easiness in respiration. Without surfactant, the air sacs in the lungs will collapse very easily. This collapse leads to decreased amounts of air or oxygen in the lungs which makes it very difficult for the people or infant to breathe.
describe why heart failure is so often referred as "congestive" heart failure ?
Answer:
Heart failure — sometimes known as congestive heart failure — occurs when the heart muscle doesn't pump blood as well as it should. When this happens, blood often backs up and fluid can build up in the lungs, causing shortness of breath.
Explanation:
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Life cycle of peziza
growth stage
While the pizza category was in the growth stage, the product life cycle of long-lived products was observed in the rice category.
HELP PLEASE FAST ASAP PLEASE HELP
Answer:
D. Their ability to replicate very fast and natural mutations combine to allow them to evolve rapidly
Explanation:
They develop mutations in their DNA that can be resistant to the drugs given.
which of the specific classification is the specific organism found
Answer:
Species are as specific as you can get. It is the lowest and most strict level of classification of living things. The main criterion for an organism to be placed in a particular species is the ability to breed with other organisms of that same species.
