Answers
Answer:
...
Explanation:
iwineuvriwbdirbeiehh
Related Questions
2. Music stores arrange CD's according to the type of music - rock, country, folk, and so
on. This is an example of
a. Observation
b. Posing questions
c. Inferencing
d. Classifying
Answers
A new canal built through the desert separates a population of tortoises into two new populations. After two hundred
years, a group of biology students convinces the owners of the canal to put large covers over the top of the canal to allow
the separated populations to rejoin. After all this time will the populations still be one species? Justify your answer.
Answers
Answer:
still one
Explanation:
Turtles population was divided into two parts turtle body wasnot divided into two partsAlso after thousand years even if they combine they are still turtles and they can still reprouce among themselves .This is why because turtles are remaining as turtles not rats or tigers so still be one piecesThe rapid acceleration of globalization has also increased the amount of international migration. Sanderson’s results from a cross-national study indicated that:
Group of answer choices
international migration increases overall levels of human development
international migration increases a country’s Gross Domestic Product (GDP)
international migration decreases overall levels of human development
international migration decreases a country’s Gross Domestic Product (GDP)
Answers
Sanderson's cross-national study indicated that international migration increases overall levels of human development. Thus, the correct option is A.
What is Migration?Migration may be defined as the movement of people from one place to another in search of resources better than their native one.
International migration increases the overall standards of human development because it initiates new opportunities and trade aspects of people of one country to another.
It also leads to improved human development outcomes in major areas like education, health, and finance.
Therefore, the correct option for this question is A.
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What is the identity of element Y? C B Na S
Answers
Answer:
C-carbon
B-boron
Na- sodium
S-sulfur
Are any factors in the equation of photosynthesis more critical for plants that live on land than for plants that live underwater?
Answers
The most critical factor during photosynthesis of land plants compared to aquatic plants is water.
What is Photosynthesis?Photosynthesis is a series of chemical reactions by which plants need water, carbon dioxide and sunlight to produce carbohydrates.
In aquatic plants, water requirements are well satisfied, but it may not occur in land plants.
In conclusion, the most critical factor during photosynthesis of land plants compared to aquatic plants is water.
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Rich has been a therapist for over fifteen years and most of that time he has used an assessment tool that uses random pictures to provoke an immediate response. Rich is looking to determine anxiety and depression in individuals, so he utilized the ________ for assessment.
Answers
Answer:
Rorschach Inkblot Test
Explanation:
yes
Rich is looking to determine anxiety and depression in individuals, so he utilized the Rorschach Inkblot Test for assessment.
What is Rorschach Inkblot Test?Rorschach Inkblot Test may be defined as a type of test that utilizes some sort of images in inkblots in which some of them are black or gray and demonstrate the pattern of thought disorders like anxiety, depression, etc. in the case of schizophrenia.
This test is also utilized to estimate the personality of an individual, emotional disorders, and level of intelligence.
Therefore, it is well described above.
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egarding transcriptional promoter sites, which of the following statements are true? Select one or more than one:
a)They are located in the gene (DNA) whose information will be transcribed
b)They are found at the 3 'end of the gene that will be transcribed
c)Some of them are called 'TATA box'
d)They are found in the DNA, 'upstream' of the gene to be transcribed.
e)They are proteins of the cytoplasm
Answers
Transcriptional promoter sites are found in the DNA, 'upstream' of the gene to be transcribed.
Some of them are called 'TATA box'.
Where transcriptional promoter sites are located?Promoter sequences are DNA sequences that define where transcription of a gene by RNA polymerase begins. Promoter sequences are typically located directly upstream or at the 5' end of the transcription initiation site.
Core promoter, proximal promoter, and distal promoter are the examples of different promoters.
So we can conclude that Transcriptional promoter sites are found in the DNA, 'upstream' of the gene to be transcribed.
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Which of the following statements best describes the impact noise pollution has on wildlife?
It can improve the echolocation abilities of marine mammals.
It improves communication between species.
It reduces reproductive rates.
All of these choices are correct.
Answers
The following statements best describe the impact noise pollution has on wildlife It reduces reproductive rates. Thus option "C" is correct.
What is Noise pollution?Noise pollution is not a result of waste.
Noise pollution is unhealthy and unwelcome sound in the environment that can cause a psychological effect on the people living within the noise pollution area such as stress, sleep disturbance, hearing loss, etc. Pollution by waste is more tangible and is mainly due to human activities that impact negatively on the environment.
Thus option "C" is correct.
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Which of the following describes what might happen with a sudden increase in precipitation in the grassland biome?
Rise in drought-tolerant plants
Salt and sediment deposition
Decline in severe storms
Nutrient loss and soil erosion
Answers
Answer
Nutrient loss and soil erosion
Explanation:
103
35. Wayne took out a box of ice cream from the freezer. He saw mist forming above the box.
$$
mist
ice cream
box of ice cream
a) Explain how the mist was formed,
Answers
Answer:
Mist is tiny droplets of water hanging in the air. These droplets form when warmer water in the air is rapidly cooled, causing it to change from invisible gas to tiny visible water droplets. Mist often forms when warmer air over water suddenly encounters the cooler surface of land.
1. Why is polyester considered to be a good material for making the sails of ships?
2. Name the component fibres of polycot, Terry wool and cots wool?
3. Why polythene bags should not be thrown along with garbage?
4. What are synthetic fibres? How are they made?
5. Differentiate between thermoplastics and thermosetting plastics and give one example of each?
6. List and explain four properties of plastics? Give one use of plastics linked to each of these properties?
7. List three steps you can take to reduce the danger that plastic pose to the environment?
8. Describe any three major uses of nylon?
9. State advantages and disadvantages of synthetic fibres 1
10. Explain polymerization?
Answers
Answer:
Polyester has for decades been the most commonly used sail fiber because it is strong, durable and relatively inexpensive.components of polycot are polyester and cotton are blended and terrywool are terryelne and wool . Cotwool are cotton and wool.Polythene bags should not be thrown along with garbage as they are non biodegradable and can mix with the soil but cannot decompose....these when eaten by animals like cows can choke them leading to death.... Also as they do not decompose they can mix with the soil leading to soil pollution.Synthetic fibers are made from small molecules synthesized polymers. The substances used to produce such fibres are extracted from raw materials such as chemicals based on petroleum or petrochemicals. Such materials are polymerized into a chemical that ties together two adjacent atoms of carbon.Why do individuals who are anemic generally not exhibit an increase in respiratory rate or tidal volume, even though their blood is not carrying enough oxygen?
Answers
The amount of oxygen that dissolves in the blood in the lungs' alveoli is unaffected by
Which of the following best describes a characteristic of fungi that differentiates them from bacteria?
Fungi are eukaryotes, while bacteria are prokaryotes.
Bacteria are heterotrophs, while fungi are autotrophs.
Bacteria have gametangia, while fungi do not.
Fungi have cell walls, while bacteria do not.
Answers
Bacteria are primitive unicellular organisms. Fungi are more complex, evolved, multicellular organisms. Option A). Fungi are eukaryotes, while bacteria are prokaryotes.
What are the characteristics of fungi?Fungi is a group composed of eukaryotic organisms, among which we can find several species. They are multicellular organisms, and their cells have organelles, nucleus, cell membrane, and wall.
Let us review some common characteristics,
They are heterotrophic organisms, meaning they take energy and nutrients from other organisms. They do not produce it.Their cell wall is composed of chitin which helps to avoid dehydration.They reproduce either sёxually or asёxually. They produce spores in special structures known as asks.Their structure is complex and composed of the mycelium and the fructiferous body.Fungi are important to the ecosystem because they are one of the principal organic matter decomposers. But they are also significant for different human uses.
What are the characteristics of bacteria?The bacteria domain is composed of a wide group of unicellular prokaryotic microorganisms with a simple structure and sized between 1 to 10 micrometers.
These organisms lack a nucleus, nuclear membrane, and organelles. They only present plasmids and ribosomes. They have a cell membrane and a cell wall that protects the cell. Some of them can also present a capsule.
They reproduce asexually and are either autotrophs and heterotrophs.
Options,
A) Fungi are eukaryotes, while bacteria are prokaryotes. TRUE
B) Bacteria are heterotrophs, while fungi are autotrophs. FALSE. Bacteria can be both, while fungi is heterotroph.
C) Bacteria have gametangia, while fungi do not. FALSE. Bacteria reproduces asexually.
D) Fungi have cell walls, while bacteria do not. FALSE. Bothe of them have cell walls.
The correct option is A). Fungi are eukaryotes, while bacteria are prokaryotes.
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Why did Mendel study pea plants?
Answers
Answer:
He chose peas because they had been used for similar studies, are easy to grow and can be sown each year.
Explanation:
I just saw the answer on the website :)
(≧▽≦)( ꈍᴗꈍ)
What do the polar bears, reindeer, and shrubs that live in a single area make up?
organism
population
community
ecosystem
Answers
Answer:
population
Explanation:
The polar bears, reindeer, and shrubs that live in a single area make up a community. The correct option is C, a community.
What is a community?
In ecology, a community refers to a group of different species that coexist and interact within a particular area or habitat.It represents the interconnected network of species that inhabit a particular area.It includes all the living organisms, such as plants, animals, and microorganisms, that inhabit a specific ecosystem.The structure and composition of a community can be influenced by factors such as resource availability, environmental conditions, and species interactions.The polar bears, reindeer, and shrubs are distinct species that share the same geographical area and have the potential to interact with one another. They form a community within that ecosystem. It is important to note that a community does not include abiotic factors, such as soil, water, and climate, which collectively form an ecosystem.
So, the correct option is C.
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2. How are the amino acids formed from the codon in Mutation #2 different from those formed from the original codon pattern?
Answers
Mutations are caused by the alteration in the nucleotide bases. These altered bases synthesize diverse amino acids relying upon nucleotide base sequences that code for a specific amino acid.
What is Mutation?A mutation may be defined as sudden, stable, and inheritable transformations in the sequence of the genome of an organism.
Mutations can bring a different code for amino acid sequences that results in the synthesis of a particular type of protein.
Before mutation amino acids formed from the codon are specific to their nucleotide bases but mutation causes the alteration in the nucleotide bases which alters the sequence of amino acid and proteins as well.
Therefore, it is well described above.
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What is the independent, dependent, and controlled variable in this experiment if you only drop water onto the penny? Experiment: How many drops of water can a penny hold?
Answers
0 because its a penny
Explanation:
Read the scenario.
A biologist is studying golden frogs that live in cool streams running through the rain forests of Central America. The biologist conducts a survey of the population and counts over 100 frogs in one mile of stream. The biologist returns to the same location one year later and counts only 20 frogs in that same stretch of stream. The biologist wonders why there are suddenly so few golden frogs.
The biologist also observes that a mining company has set up a copper mine only a few miles from the stream. By reading studies on copper mining operations in other parts of the world, the biologist learns that the wastewater runoff from the mines is highly acidic and contains potentially toxic compounds.
Which part of the scientific method is best illustrated by the biologist wondering why there were so few frogs in the second year compared to the first?
a making an observation and asking a question
b collecting data
c setting up an experiment
d forming a hypothesis
Answers
Making an observation and asking a question is a part of the scientific method that is best illustrated by the biologist wondering why there were so few frogs in the second year compared to the first. Thus, the correct option is A.
What is the Scientific method?The scientific method may be defined as the procedure of objectively confirming attributes through testing and experimentation. It includes observation, hypothesis, prediction, operating an experiment, and finally investigating the results.
A biologist collected the data on the frog population before industrialization, but after a year there should be a considerable reduction in the population of frogs observed by a biologist. The cause of it is also determined by the biologist very well.
Therefore, the correct option for this question is A.
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True or False.
There is an increase in the concentration of albumin-bound fatty acids in the blood during a fasting state.
Answers
Which sentence best explains how a river forms
A. Water from rain, spring, or melting ice Runs along earths surface
B. Water covers a large area of land for most of the year
C.water from rain, springs, or melting ice fills large depressions
D. Water sinks into the ground through a crack in earths surface
Answers
The sentence that best explains how a river form is a water from rain, springs, or melting ice that fills large depressions. Thus, the correct option is C.
What is River?A river may be defined as a gathering of water that naturally flows across the earth's surface, usually freshwater, drifting towards an ocean, sea, lake or another river.
A source point of water flow is known as headwater. It can come along with rain, spring, melting of ice, etc from mountains and reaches the ground area in a definite path that fills in the large depressions.
Therefore, the correct option is C.
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what the difference between saturated and unsaturated
Answers
Answer:
Saturated fast are solid at room temperature, unsaturated fats are a liquid at room temperature.
Explanation:
Saturated fast are solid at room temperature and unsaturated fats are a liquid at room temperature. The reason is because in saturated fats there are no double bond between carbon atoms, this gives them their solid structure .
Unsaturated fats have one or more double bonds between carbon atoms, this gives them their liquid form.
Question 4 of 32
How does surface-to-volume ratio relate to the size of a cell?
O A. Small cells have a smaller surface-to-volume ratio than
larger cells.
OB. There is no relationship between surface-to-volume ratio
and cell size.
O c. Small cells have a greater surface-to-volume ratio than
larger cells.
O D. Surface-to-volume ratio remains constant as cells increase
in size.
Answers
Answer:
Small cells have a smaller surface-to-volume ratio than
larger cells.
L 1.2.6 Quiz: Evaluating Scientific Claims
Question 4 of 10
Which of the following is the best definition of empirical evidence?
OA. Evidence that supports a scientific hypothesis
B. Evidence based on personal beliefs or preferences
OC. Evidence gathered through direct observation
D. A set of untested data used to support product claims
Answers
The statement' evidence gathered through direct observation' is the best definition of empirical evidence.
What is empirical data?Empirical data can be defined as verifiable information that can be tested by using the scientific method.
Empirical data can be obtained by means of observational and/or experimental procedures.
Empirical evidence needs to be testable, which means it can be confirmed or rejected by using the scientific method.
All scientific theories are based on well-sustained empirical evidence by experimental and/or observational procedures.
In conclusion, the statement' evidence gathered through direct observation' is the best definition of empirical evidence.
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During which stage of interphase do cells copy their chromosomes?
Answers
Answer:
The S phase (Synthesis phase)
DNA replication takes place during the S-phase of interphase, creating two identical sets of DNA. The DNA coils and condenses into units known as chromosomes during the start of mitosis. The two identical sister chromatids that make up each chromosome are joined by a centromere.How does DNA replication work?The biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication.
A double helix of two complementary strands makes up DNA. These strands are split apart in the replication process. The method of semi-conservative replication uses each strand of the original DNA molecule as a template to create its counterpart.
Several enzymes that carry out this process are given below, along with their activities.
____________
DNA Dependent DNA POLYMERASE is a class of enzymes that is responsible for all organisms' DNA replication processes. It accelerates DNA replication in the 5′ to 3′ range.The enzyme known as TOPOISOMERASE is involved in the over- or under-winding of DNA.HELICASE—Using the energy from ATP hydrolysis, which is characterized by the breakdown of hydrogen bonds between annealed nucleotide bases, helicases are frequently employed to separate the strands of a DNA double helix or a self-annealed RNA molecule.DNA GYRASE, a particular kind of topoisomerase, relieves strain caused by DNA helicase's unwinding action.DNA LIGASE- Joins the OKAZAKI FRAGMENT of the lagging strand and re-anneals the semi-conservative strands.PRIMASE - Primase catalyzes the production of a short primer, which is a ssDNA template-specific piece of RNA (or DNA in other species).REPLICATION FORK -(Attachment #1)
_________________
REPLICATION PROCESS -
INITIATION - The beginning of DNA replication takes place at certain locations in the DNA molecule known as ori-sites or regions. Enzymes often recognize these locations and initiate the process. As opposed to C-G base pairs, which produce three hydrogen bonds, A-T base pairs only form two hydrogen bonds, making them easier to strand split. As a result, these sites are typically "AT-rich" (rich in adenine and thymine bases). Following the discovery of the origin, enzymes create a pre-replication complex that unzips the double-stranded DNA. The enzyme topoisomerase is involved in this process.Elongation - The 5'-3' activity of the DNA polymerase enzyme. Now, a new strand was created by DNA polymerase enzymes in the direction of 5′ to 3′ (note: the DNA template is read in 3' to 5' direction). RNA primers were simultaneously created by the primase enzyme and utilized by the polymerase to create new strands of RNA.As DNA polymerase enzyme has 5′ - 3′ direction so two types of strand are form -
LEADING STRAND - A DNA polymerase with high processivity that has the direction 5′ - 3′ (template strand 3′-5′) extends the continuous strand from the primer in the same direction as the replication fork that is expanding. One RNA primer is applied to the leading strand.
LAGGING STRAND - It is the discontinuous strand whose synthesis is going in the opposite direction of the replication fork that is developing. Each primer extends the lagging strand intermittently to create Okazaki fragments. A low processivity DNA polymerase that is different from the replicative polymerase enters to fill the gaps after RNase eliminates the priming RNA pieces. Multiple primers are applied to the lagging strand, and then the Okazaki fragments are joined by the ligase enzyme, filling in the gaps.
TERMINATION - Replication forks meet and end at several locations throughout the chromosome because eukaryotes start DNA replication at various locations; it is unknown how these are controlled. Termination necessitates the halting or blocking of the DNA replication fork's forward motion. When termination occurs at a particular locus, it includes the interaction of two elements: (1) a DNA sequence known as a termination site sequence, and (2) a protein that binds to this region to actually cease DNA replication.
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EXPERIMENT 1: PUNNETT SQUARE CROSSES Part 1: Post-Lab Questions 1. Set up and complete Punnett squares for these crosses (remember Y = yellow, y = blue): a. YY and Yy b. YY and yy 2. Answer these questions: a. What are the resulting phenotypes? b. Are there any blue kernels? c. How can you tell whether or not there are blue kernels? 3. Set up and complete a Punnett square for a cross of two of the F1 from Step 1 (above). 4. Answer these questions: a. What are the genotypes of the F2 generation? b. What are their phenotypes? c. Are there more or fewer blue kernels than in the F1 generation? 5. Identify the four possible gametes produced by the following individuals (S = smooth, s = wrinkled): a. YY Ss: b. Yy Ss:
Answers
Punnett squares are used to get the genotypic and phenotypic frequencies among the progeny produced from a cross. Punnett squares and answers below.
What is a punnett square?The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
In the exposed example,
Diallelic genes that codes for colorY = yellow ⇒ dominant alleley = blue ⇒ recessive alleleWe will assume complete dominance, meaning that with at least one dominant allele in the genotype, the expressed color is yellow.
1)
a- Cross 1
Parentals) YY x Yy
Gametes) Y Y Y y
Punnett square) Y Y
Y YY YY
y Yy Yy
F1) Genotype
1/2 = 50% of the progeny is expected to be homozygous dominant, YY
1/2 = 50% of the progeny is expected to be heterozygous, Yy
Phenotype
100% of the progeny is expected to be yellow.
b- Cross 2
Parentals) YY x yy
Gametes) Y Y y y
Punnett square) Y Y
y Yy Yy
y Yy Yy
F1) Genotype
100% of the progeny is expected to be heterozygous, Yy
Phenotype
100% of the progeny is expected to be yellow.
2)
a. What are the resulting phenotypes? Only yellow kernels
b. Are there any blue kernels? No
c. How can you tell whether or not there are blue kernels?
Blue is the recessive phenotype for kernels. Assuming complete dominance, since all genotypes are expected to carry at least one dominant allele, all the F1 kernels are yellow.
3) Let us cross two heterozygous individuals from the F1
Parentals) Yy x Yy
Gametes) Y y Y y
Punnett square) Y y
Y YY Yy
y Yy yy
F1) Genotype
1/4 = 25% of the progeny is expected to be homozygous dominant, YY
1/2 = 50% of the progeny is expected to be heterozygous, Yy
1/4 = 25% of the progeny is expected to be homozygous recessive, yy
Phenotype
75% of the progeny is expected to be yellow.
25% of the progeny is expected to be blue.
4)
a. What are the genotypes of the F2 generation?
- 25% YY (homozygous dominant)
- 50% Yy (Heterozygous)
- 25% yy (Homozygous recessive)
b. What are their phenotypes?
- 75% yellow kernels
- 25% blue kernels
c. Are there more or fewer blue kernels than in the F1 generation?
More. Blue kernels appeared in the F2.
5. Assuming independent genes, the , are as follows
Gametes
a. YY Ss ⇒ YS, YS, Ys, Ys
b. Yy Ss ⇒ YS, Ys, yS, ys
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What role does calcium play in this regulation, and where is it stored in a muscle fiber?
Answers
Answer:
Calcium's positive molecule is important to the transmission of nerve impulses to the muscle fiber via its neurotransmitter triggering release at the junction between the nerves. Inside the muscle, calcium facilitates the interaction between actin and myosin during contractions.
Explanation:
which rabbit fur survived the best in a snowy environment
Answers
define plasma osmolality
Answers
what is the binomial system of nomenclature
Answers
Answer:
definition of binomial nomenclaturea system of nomenclature in which each species of animal or plant receive a name of two terms of which the first identifies the genus to which it belongs in the second of the species itselfBinomial nomenclature is the formal naming system for living things that all scientists use. It gives every species a two-part scientific name. For example, a ladybug found in the United States goes by the fancy name of Harmonia axyridis.
what are the elemental compositions of carbohydrates?
Answers
Answer:
carbon, hydrogen, & oxygen are the major elements
Explanation:
