Answer:
The Psychoanalytic School of Thought
Explanation:
Psychoanalysis is a school of psychology founded by Sigmund Freud. This school of thought emphasized the influence of the unconscious mind on behaviour. Freud believed that the human mind was composed of three elements: the id, ego and superego.
You cross a plant with red flowers with a plant with white flowers. Both plants are pure-breeding. All the offspring have pink flowers. What allele relationship does this display? codominance multiple alleles incomplete dominance pleiotropy
C. Incomplete dominance.
Explanation:
Incomplete dominance is the blending of alleles. If a plant with red flowers and a plant with white flowers produce offspring, then the flowers will be pink. Red and white mixed together will be pink, the alleles blended.
Codominance is where both traits are present, no blending occurs. If a plant with red flowers and a plant with white flowers produce offspring, the flowers will be both white and red. The flower may be white with red spots, or vice versa. Both alleles are present in the flower.
In this case, it is incomplete dominance, as the offspring is a mix of the parents. The alleles blend and the offspring is pink.
Answer:
incomplete dominance
Explanation:
gradpoint
Saguaro cacti are very tall cylindrical plants that usually have two L-shaped arms, one on each side. Suppose you lived in southern Arizona where the Saguaro cactus is common and you happen to have one growing in your yard. Your Saguaro has two arms but one is longer than the other. Now, assume that arm length in these cacti are controlled by a single gene with arms of the same length (A) being dominant to arms of different lengths. What is the genotype of your cactus
Answer:
The genotype is aa. Sorry if I am wrong.
Explanation:
I put the answer in the wrong spot xD
If tall is dominant over short, and yellow seed is dominant over green, how would you write the genotype of a pea plant that is heterozygous for tall, and that produces yellow seeds
Answer:
The answer has been written in paper and the image of the paper has been attached. Feel free to raise any doubt.
which particles is the fundamental unit of all matter in both living and nonliving
Answer:
atoms
Explanation:
all things in the universe are made of atoms and they are considered the fundamental unit of matter.
non-living things are composed of different compounds and molecules.
living things are made of cells, and cells themselves are made of different molecules. So living things are also made of atoms.
Which location is least likely to experience a volcanic eruption? Α. an island hot spot, such as the island of Hawaii B. Hamilton County on the plains of central Texas с. a convergent boundary, as in the Ring of Fire D a volcanic island arc, such as the Aleutian Arc in Alaska
Answer:
i think that the answer is B. Hamilton County on the plains of central Texas i took the test
Explanation:
Hamilton County on the plains of central Texas is least likely to experience a volcanic eruption. Therefore, option (B) is correct.
What are volcanoes?Molten rock and gases stored under the surface erupt through a volcano, generating a hill or mountain.
Active, inactive, or extinct volcanoes. Active volcanoes are likely to erupt again. Dormant volcanoes may erupt again. Extinct volcanoes won't erupt.Magma collects inside active volcanoes. The magma chamber's pressure forces it through rock channels and onto the planet's surface.
Volcanic eruptions can be violent or slow-moving. Volcanoes erupt through vents on the sides or a primary entrance at the top. The volcano's morphology depends on eruption rate and magma chemistry. Land and sea volcanoes exist. As lava cools and hardens, underwater volcanoes build mountains and ranges. When volcanoes rise above the ocean, they create islands.
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DNA and RNA are structurally similar in some ways, but different in others. Identify whether each of the following statements applies to DNA, RNA. both or neither.
1. It can contain the purine adenine.
2. It can contain the pyrimidine uracil.
3. This contains the pyrimidine thymine.
4. In terms of base composition, the %T = %G.
5. This contains the sugar ribose.
6. The sugars are connected with a 3'-5' phosphodiester link.
7. It contains equal amounts of guanine and cytosine.
8. Bases are attached to sugars in an alpha N-glycosides linkage.
Answer:
DNA
It can contain the purine adenine
This contains the pyrimidine thymine
The sugars are connected with a 3'-5' phosphodiester link.
It contains equal amounts of guanine and cytosine. The percentage of A-T ,C-G are the same in DNA,,they are linked by hydrogen bonds.But varies in RNA.
Explanation:
.RNA
It can contain the purine adenine.
It can contain the pyrimidine uracil
This contains the sugar ribose. This is a 5C sugar with one oxygen atom deficient.The forms the lever for holding the bases and phosphate group
The sugars are connected with a 3'-5' phosphodiester link.This is the backbone of both DNA and RNA.It is formed between the sugars and the phosphate groups in both DNA and RNA.
None is made of base composition, the %T = %G. This is wrong because purines must pair with pyrimidine,but not two purines or pyrimidine pairing as shown,
Bases are attached to sugars in an alpha N-glycosides linkage.This is wrong the beta N-glycisidic bonds are the linkages
The basal side of epithelium is always connected to?
A) basement membranes
B) connective tissue
C) epithelial cells
D) blood vessels
Answer:
Basement membranes
Explanation:
I was finishing Summer B Plato Biology for High School when the program closed. All I had left to finish was my final. Does anyone have sample questions of the final I can study? I am bummed!
I need help FAST!! U have too match the letters with the #.!
8 B
9 B
10 D
11 C
12 C
13 B
14 A
15 A
16 C
17 A
18 A
19 D
20 A
21 D
22 D
The medical term ____________________ describes a pus-filled lesion on the eyelid resulting from an infection in a sebaceous gland.
Answer:
the medical term is hordeolum
In the quest to understand the basis of infertility in humans, researchers have identified a mutation in a gene associated with chiasmata. This protein normally acts to promote homologous recombination.Why might a defect in homologous recombination have consequences for fertility?A. The chiasmata halts the whole process of meiosis, if crossover do not form properly.B. Crossover formation is a necessary step in meiosis I to ensure proper chromosome segregationC. A checkpoint requires a certain level of genetic variability for meiosis to proceed.D. Chiasmata are the connections between the centromeres and the centromeres that pull them to each pole of the daughter cells.
Answer:
B. Crossover formation is a necessary step in meiosis I to ensure proper chromosome segregation
Explanation:
Crossing-over is a unique phenomenon that occurs in the prophase I stage of meiosis I, where non-sister chromatids of homologous chromosomes exchange their chromosomal segment. The physical point where this exchange occurs is called CHIASMATA. Hence, a mutation that affects the gene associated with the chiasmata will affect the occurrence of crossing over or homologous recombination.
Crossing-over, through the formation of the chiasmata, is responsible for the physical alignment and proper segregation of chromosomes into gametes. Naturally, the chiasmata formed as a result of recombination during meiosis helps ensure that the chromosomes stay together until it is the right time to separate. This way, any chromosomal defect in the resulting gamete is prevented.
However, an error or defect in homologous recombination might give rise to gametes with chromosomal disorder, a condition known as ANEUPLOIDY i.e. missing or additional chromosomes in gametes. This can affect the fertility of the involved human.
Prader-Willi syndrome is a genetic disorder involving a partial deletion of chromosome 15q on the paternal chromosome. When both copies of a gene (or chromosome) are functional but only one is expressed, this is an example of ________.
Answer:
monoallelic gene expression
Explanation:
Monoallelic expression is a type of gene expression where only a copy out of the two copies of a gene is expressed and the other is silent.
A gene is usually represented by two alleles representing alternate forms of the same character. Individuals inherit an allele each from their two parents for every gene within their genomes.
When only one of the alleles is expressed for a particular gene while the other allele remains silent, such phenomenon is referred to as monoallelic gene expression.
Assume that the allele for curly tail is completely dominant to the allele for straight tail for an X-linked maternal effect gene. Which of the following can be true?
a. In order for a female to be curly tailed, her father must be curly tailed.
b. A straight tailed male must have a straight tailed mother
c. mother with a straight tail cannot have progeny with curly tails
d. A male with a curly tail received a straight tail allele from his mother.
Answer:
A
Explanation:
In order for a female to be curly tailed, her father must be curly tailed.
A mangrove swamp is more likely to exist along shores of which location?
Centrioles have pulled the chromosomes all the way to the spindle poles, the process of cleavage furrowing appears to be about to begin. What kind of a cell is this?
Answer:
An animal cell in the telophase
Explanation:
Telophase is one of the stages of cell division in animal cell .
In the animal cell during telophase, Centrioles have pulled the chromosomes all the way to the spindle poles, the process of cleavage furrowing appears to be about to begin because the nuclear membrane and nucleoli reform, cytokinesis is almost coming to completion and the chromosomes eventually uncoil to chromatin. Usually cytokinesis occurs during telophase.
Biochemical and genetic experiments have demonstrated that the _________ of tRNA are important for recognition by its cognate aminotransferase-tRNA synthetase.
Answer: Acceptor stem and anticodon loop.
Explanation:
Transfer RNA (tRNA) is a small RNA nucleic acid involved in protein synthesis (translation). Each tRNA molecule has two important areas:
A region of trinucleotides, called the anticodon A region where a specific amino acid binds.During translation, the ribosome reads the sequence of the mRNA in groups of three bases to assemble the protein. So, in the mRNA chain there are codons, set of three bases, which determine the amino acid to be added to the peptide chain. The tRNA transfers the amino acid to the ribosomes, and then arranges them along the messenger RNA (mRNA) molecule. Then, the tRNA must have an anticodon that is complementary to the codon. Each type of tRNA is specifically combined with 1 of the 20 amino acids to be incorporated into proteins.
This means, during translation, each time an amino acid is added to the growing chain, a tRNA molecule is formed whose base pairs have a complementary sequence with mRNA molecule, ensuring that the appropriate amino acid is inserted into the protein. So, tRNA is a key link between RNA transcription and the translation of that RNA into protein. On the other hand, aminotransferases are enzymes responsible for attaching amino acids to the 3ʹ‐end of cognate tRNAs.
The acceptor stem is the site of attachment of amino acids to tRNA, and anticodon loop is the site of tRNA that is complementary to the codons found in mRNA (that determine the amino acid that will be added) This means, both parts are important for recognition, because the acceptor stem is where the amino acid is, and the anticodon loop ensures that the appropriate amino acid is inserted into the protein.
The pygmy shrew is the smallest mammal in North America. However, when comparing the amount of
food eaten to its body weight, the pygmy shrew eats more food than any other mammal. It will
consume two to three times its own body weight in food daily. One explanation is that the pygmy
shrew uses energy at a high rate. In fact, its heart beats over one thousand times per minute.
What is the best explanation for what happens to the food's mass and energy when it is consumed by
the pygmy shrew?
A. The mass is mostly excreted as waste. The
energy is burned up and destroyed by the
pygmy shrew's high rate of cellular respiration.
B. The mass is all used for creating new mass in
growth. The energy is stored, used in cellular
respiration, or lost to the environment as heat.
C. The mass is used for growth, stored, or excreted
as waste. The energy is stored, used in cellular
respiration, and lost to the environment as heat.
D. The mass is used for growth, stored, or excreted
as waste. The energy is burned up and
destroyed by the shrew's high rate of cellular
respiration
Answer:
C. The mass is used for growth, stored, or excreted
as waste. The energy is stored, used in cellular
respiration, and lost to the environment as heat.
Explanation:
I got it right on the quiz.
Mass used for growth, stored or excreted as waste. Energy is stored that is used in cellular respiration which is lost to the environment in the form of heat. So, the correct option is (C).
How Pygmy shrew uses its food for energy?The pygmy shrew has a large appetite which is a result of small body mass, rapid heat loss and high metabolic rate. It is kept in captivity which provides some idea of the energy requirements of the species.
The pygmy shrew has such a high metabolism that it must eat at least every 30 minutes otherwise it will die. This can be explained by food mass and energy is that due to very high metabolism most of the food mass which is rapidly used up to form shrew, and a large proportion of the food is lost from the body surface because of its very small size.
The combination of these two factors are
1. A very high metabolism which is rapidly utilizes food material, and generates large amounts of heat in a very short period of time.
2. Very small size due to which high surface area to volume ratio leading to heat loss.
Thus, Mass used for growth, stored or excreted as waste. Energy is stored that is used in cellular respiration which is lost to the environment in the form of heat. So, the correct option is (C).
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Cloning to produce embryonic stem cells is called A) regenerative cloning. B) transplantational cloning. C) reproductive cloning. D) therapeutic cloning. E) dedifferentiation.
Answer:
D
Explanation:
The correct option would be therapeutic cloning.
First and foremost, cloning refers to the process of producing genetically and phenotypically similar organisms or cells from a single organism/cell, be it naturally or artificially. The genotypically and phenotypically similar copies of the original organism are called clones.
Artificial clonings are of different types, namely:
Reproductive cloningGene cloningTherapeutic cloningReproductive cloning has to do with producing genetically identical organisms from a particular organism while gene cloning involves producing exact copies of a gene or segments of DNA. Therapeutic cloning, however, involves the production of embryonic stem cells in order to create tissues that would replace similar but damaged or worn-out tissues in living organisms.
Correct option: D
Put the vocabulary words in order from largest level of organization to smallest. Reorder answers 1. Population Reorder answers 2. Organism Reorder answers 3. Organ Reorder answers 4. Atom Reorder answers 5. Biosphere Reorder answers 6. Species Reorder answers 7. Organ system Reorder answers 8. Community Reorder answers 9. Cell Reorder answers 10. Ecosystem Reorder answers 11. Organelle Reorder answers 12. Tissue Reorder answers 13. Molecule
Answer:
The level of organization in order from largest to smallest is;
1. Biosphere
2. Ecosystem
3. Community
4. Population
5. Species
6. Organism
7. Organ system
8. Organ
9. Tissue
10. Cell
11. Organelle
12. Molecule
13. Atom
Explanation:
All living things on Earth are arranged in an hierarchical level of organization. The order in descending way is as follows:
1. Biosphere- Biosphere refers to the part of the Earth that constitutes all living organisms in interaction with their environment. It is the total of all ecosystems on Earth.
2. Ecosystem: Ecosystem refers to a group of living organisms i.e plant, animal and microbes interacting with each other and their abiotic environment e.g water, air etc. An ecosystem comprises of several communities.
3. Community- Community refers to a group of organisms interacting with each other at a particular time and habitat. A community is made up of two or more populations.
4. Population- Population refers to a group of organisms of the same species living together in the same habitat and capable of interbreeding.
5. Species- A species is a group of organisms usually with the same appearance and capable of producing fertile offsprings by interbreeding.
6. Organism- An organism is an individual living thing i.e. plant, animal, microbe. An organism is made up of several organ systems that work together to make it whole.
7. Organ system- Organ system refers to a group of organs working in an interconnected manner to perform certain functions in an organism.
8. Organ- An organ is a structure in an organism that performs a specific function.
9. Tissue- A tissue is a group of cells working together for the same purpose.
10. Cell- A cell is the basic and fundamental unit of life, which is the building block of all living organisms.
11. Organelles- An organelle is a specialized structure in a cell that performs specific functions. e.g. nucleus, mitochondria etc.
12. Molecule- A molecule is the smallest unit of a chemical compound responsible for the chemical identity of that compound. A molecule is made up of two or more atoms chemically bonded together.
13. Atom- An atom is smallest indivisible unit of mattter that partakes in chemical reactions. Atom is considered the smallest unit of matter.
Answer:
:)
Explanation:
what is sexual reproduction
Answer:
See explanation below...
Explanation:
Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete with a single set of chromosomes combines with another to produce an organism composed of cells with two sets of chromosomes.
Best Regards!
Answer:
the production of new living organisms by combining genetic information from two individuals of different types (sexes). In most higher organisms, one sex (male) produces a small motile gamete which travels to fuse with a larger stationary gamete produced by the other (female).
Why do you think premenopausal women need more iron than
men of the same age?
Answer:
Women need more iron than men to make up for the amount of iron they lose in their menstrual period.
Explanation:
Answer:
Premenopausal women shed blood as part of menstruation every month, which lowers the level of iron in the body. So, they need more iron than men and are also at a greater risk for this nutritional deficiency.
PLATO
Explanation:
A mutation causes a sequence of DNA that has the nucleotides TTG to be changed to TCG. The resulting protein has a different sequence of amino acids. Which type of mutation is this? a. missense b. nonsense c. silent d. frameshift
Answer:
The correct answer would be - a) missense.
Explanation:
A missense mutation is a type of a point mutation that is caused by the alteration or change in the a nucleotide of a triplet codon in a DNA sequence. This leads to a altered mRNA and incorporate different amino acid and ultimately different protein than usual.
This type of mutation can produce non functional protein by translation in most of the case and did not make any big change in the individual.
Thus, the correct answer would be - a) missense.
Answer:
A. Missense
Explanation:
edge 2020 100%
Choose the PCR primer pair that will amplify the breakpoint of a deletion of the segment of DNA between lines 1and 2.
5' TCGATTCCGGAAAGCTTAGTTTCCCGGGACGTATTGCCAACCTAGGTAAGCGCCGAATATCCATGGGCACC 3'
3' AGCTAAGGCCTTTCGAATCAAAGGGCCCTGCATAACGGTTGGATCCATTCGCGGCATTATAGGTACCCGTGG 5'
a. 5- AGCTAAGGCCTTTCGA and 5'-CCACGGGTACCTATAA
b. 5'- TCGATTCCGGAAAGCT and 5'-ACGTCCCGGGAAACTA
c. 5- TCGATTCCGGAAAGCT and 5'-CCACGGGTACCTATAA
d. 5'- TCGATTCCGGAAAGCT and 5'- GGTGCCCATGGATATT
e. 5' - GGTGCCCATGGATATT and 5' ACCTAGGTAAGCGCCG
Answer:
a. 5- AGCTAAGGCCTTTCGA and 5'-CCACGGGTACCTATAA
Explanation:
The Polymerase Chain Reaction (PCR) primers are short nucleotide sequences (composed of approximately 20 nucleotides in size) flanking a target sequence that is amplified during PCR reaction. These primers bind to the DNA template by means of complementary base pairing in order to make billions of copies of a target DNA region, which is then visualized as a band by electrophoresis. In this case, PCR primers from the item a- (i.e., AGCTAAGGCCTTTCGA and CCACGGGTACCTATAA) will bind to the DNA template of lines 1 and 2 in order to amplify a continuous region:
Schematically:
The Foward primer AGCTAAGGCCTTTCGA binds by complementary base pairing:
5'_(TCGATTCCGGAAAGCT)TAGTTTCCCGGGACGTATTGCCAACCTAGGTAAGCGCCGAATATCCATGGGCACC_3'
The Reverse primer CCACGGGTACCTATAA binds by reverse complementary base pairing:
3'_AGCTAAGGCCTTTCGAATCAAAGGGCCCTGCATAACGGTTGGATCCATTCGCGGCA(TTATAGGTACCCGTGG)_5'
Two of the many cycles in nature's web of life are the carbon cycle and the A. energy cycle B. water cycle C. food cycle D. heat cycle
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▹ Answer
B. water cycle
▹ Step-by-Step Explanation
Water is something that is dependent on amongst living things. Without the water cycle, there wouldn't be a source of water and living things wouldn't be able to survive.
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CloutAnswers ❁
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Which of the following groups gets energy directly from the grass it eats?
Answer:
herbivores
Explanation:
i think it's herbivores because "herb"ivores get energy when eating grass or any other herb.
Do the spinal nerves include the sensory or motor neurons? Where do these neurons enter or exit the spinal cord?
Answer:
hd
Explanation:
The spinal nerves include the sensory or motor neurons sensory neuron → brain → motor neuron → muscles.
What are neurons?Neurons are nerve cells that are specialized to process and transmit information. The brain then processes the information obtained from the sensory neuron and sends another signal trough the motor neuron carrying the message to the muscle.
The spinal cord acts as a nerve center between the brain and the rest of our body and it contains motor neurons that transmits nerve signals from the motor cortex to the body, and the spinal cord also receives all of the sensory information from the periphery of our bodies.
Motor neurons are also known as efferent neurons, they are part of the central nervous system that transmit impulses from the brain or spinal cord to the effector organ (muscles or glands).
Therefore, The spinal nerves include the sensory or motor neurons sensory neuron → brain → motor neuron → muscles.
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what are 3 major functions of the femur?
Answer:
The femur is the longest bone in the human skeleton. It functions in supporting the weight of the body and allowing motion of the leg. The femur articulates proximally with the acetabulum of the pelvis forming the hip joint, and distally with the tibia and patella to form the knee joint.
Explanation:
Holding the body weight once standing and moving. People are being stabilized as they move. Connecting the hips and knees' muscles, tendons, and ligaments to the rest of your body. These are three functions of femur.
What is femur?The femur is the bone in the thigh. It is person's body's longest and strongest bone. It is an essential component of the ability to stand and move.
There can be many functions of this bone, some are listed below:
Hold the body weight.Stabilize the body while moving.Connecting hip and knees.Thus, above mentioned are three functions of femur.
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As a substance is eaten, trace its path through the digestive system. Include one of the basic processes each step of the way: digestion, absorption, motility, secretion, and excretion.
Answer:
....... motility
Explanation:
Reaching for your coffee cup is accomplished by the _____ subdivision of the peripheral nervous system.
Answer:
somatic subdivision
Explanation:
The peripheral nervous system is divided into somatic and autonomic systems. The somatic system is required to transport sensory and motor information to the central nervous system. The somatic system is composed of nerves that connect different parts of the body including sensory fibers, skin, and skeletal muscles. On the other hand, the autonomic system can be subsequently classified into sympathetic and parasympathetic systems, which are required in fight (potentially dangerous) and calm-associated responses, respectively.
Mitotic cell division creates identical copies by replicating a cell's DNA __________ and then dividing ____________.
Answer:
Mitotic cell division creates identical copies by replicating a cell's DNA once and then dividing once.
