There are two types of metamorphosis-incomplete and complete.
In incomplete metamorphosis, an adult insect lays an egg. The egg hatches into a nymph, which is like a mini adult. This nymph then grows into an adult. As the nymph grows, it molts several times. Grasshoppers are examples of insects that undergo incomplete metamorphosis.
Explanation:
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What energy transformations are going on within the skateboarder’s body during this process?
Answer:
When they slide down, they lose this potential energy, which turns into kinetic energy and thermal energy. Thermal Energy - This energy is related to the temperature of a body or a system. When friction is involved in a system, part of the kinetic energy is transformed into thermal energy.
Economic importance of Angiosperm and Gynosperm
Answer:
Angiosperms
1. Production of fruits
2. The plants serve as a source of pharmaceuticals.
3. They also serve as a source of fiber products.
4. Source of timber.
5. Source of ornamentals.
Gymnosperms
1. Production of lumber.
2. Source of seeds of ginko, pinus, cycas, etc.
3. Paper production.
4. Resin production.
5. Soap production.
6. Varnish production.
7. Nail polish production.
8. Gum production.
9. Perfume production.
Which of the following is NOT a factor of sustainability?
Group of answer choices
economics
ethics
biodiversity
natural capital
solar energy
Answer:
natural capital
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What is the retrovirus, and how does it work? Name an example of a retrovirus.
Answer:
A retrovirus is a type of RNA virus that inserts a clone of its genome into the DNA of a host cell that it invades. An example of a retrovirus would be HIV.
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Explanation:
A retrovirus is a specific kind of RNA virus that, when it infects a host cell, will insert a clone of its genome into the DNA of the host cell. HIV is an example of a retrovirus that may infect humans.
What is a retrovirus?A kind of RNA virus known as a retrovirus copies its genome into the DNA of the host cell it invades. HIV is a prime example of a retrovirus.
A virus that employs RNA as its genetic material is referred to as a retrovirus. When a cell becomes infected with a retrovirus, the retroviral RNA is converted to retroviral DNA, which is then inserted into the DNA of the host cell.
Acute retroviral syndrome symptoms, which include headache, nausea, diarrhoea, and body pains, are comparable to those of the flu and go away on their own in a few of weeks. A person who has acute retroviral syndrome may no longer have any symptoms, yet they are nonetheless HIV-positive and remain contagious.
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Which organisms transform nitrogen to a form that is useful to plants?
bacteria
animals
fungi
humans
Answer:
Bacteria
Explanation:
Nitrogen fixation is the step of the nitrogen cycle that occurs with the help of microbes. Bacteria transform the nitrogen into a usable form for the plants. Thus, option a is correct.
What are nitrogen-fixing bacteria?The nitrogen cycle is the part of the biogeochemical cycle that converts nitrogen into other forms that can be used by plants. The nitrogen is converted through the nitrogen-fixing bacterias.
The nitrogen-fixing bacterias are heterotrophic in nature that lives freely in the soil. A few examples are Bacillus, Azotobacter, Clostridium, etc. These bacterias transform the atmospheric nitrogen into usable compounds called ammonia which is the fixed nitrogen and can be used by the plants.
Therefore, nitrogen-fixing bacterias transform nitrogen.
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Nervous tissue is the predominant tissue type of which three organs Nervous tissue is predominate tissue type of which three organs
Answer:
Brain, spinal cord, and nerves.
Explanation:
While they work together, each is an individual system.
Nervous tissue is found in the brain, spinal cord, and nerves. So, nervous tissues predominantly found in these three types of tissues.
What is Nervous Tissue?Nervous tissues are the group of cells in the nervous system which controls the body movement , sends and carries signal to and from different parts of the body . It has a role in controlling bodiliy function such as Digestion.
It is group into two categories : Neurons and Neuroglia.
Neurons transmit electrical impulses while neuroglia do not; it has many other function including supporting and protecting neurons.
Nervous tissue makes the nervous system which is subdivided in several two categories .
1. The central nervous system (CNS)
2. The peripheral nervous system (PNS)
1. CNS is composed of the brain and spinal cord where it coordinates information from all areas of the body and sends nerve impulses that control all bodily movements.
2. PNS consists of peripheral nerves which are branched all throughout the body and it connects the CNS to the rest of the body . It is directly responsible for controlling movements of specific parts of the body.
Thus, nervous tissue is found in the brain, spinal cord, and nerves. So, nervous tissues predominantly found in these three types of tissues.
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HELP!!!
1. In a parent pea plant with the allele pair Gg, what is the probability that one gamete will contain the G allele? Why?
2. In a parent pea plant with the allele pair GG, what is the probability that one gamete will contain the g allele? Why?
3. In a parent pea plant with the allele pair gg, what is the probability that one gamete will contain the g allele? Why?
Answer:
If the gamete will get either G or g, the probability will be 1/2 of getting G.
Explanation:
all question 3 answer is that. Because all 3 of question are same. only repeated three times
In a parent pea plant with the allele pair Gg, the probability that one gamete will contain the G allele is 0.5. This is because there are two possible outcomes in which one must definitely fall. So, it is 1/2.
What is Allele?Alleles may be characterized as the alternative form or versions of a gene that are responsible for particular traits in living organisms. They carry a code of genetic sequences within generations.
In a parent pea plant with the allele pair GG, the probability that the gamete will contain the g allele is zero. This is because there is no presence of allele g that can be determined within any gametes. So, it is not possible to get g in the pair allele of GG.
In a parent pea plant with the allele pair gg, the probability that one gamete will contain the g allele is 1 or 100%. This is because both carry g alleles. So, the probability is 100%.
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What type of system is used to move the body?
Question 9(Multiple Choice Worth 2 points)
Which statement best answers the question, "Why is copper a good conductor of electricity?"
Copper atoms have a loosely held electron in their outer shell that is able to move freely to other atoms.
Copper atoms are tightly bound and are able to work with other copper atoms to exchange electrical charges.
Copper has an equal number of protons and electrons making the flow of current possible.
Copper's outer shell electrons are not balanced and must join with other copper atoms in order to be stable.
Answer:
option 1 is correct
Explanation:
the ability of substance to conduct heat and electricity depends upon the number of free electron since copper is transition metal it has a loosely held electron in their outer shell that is able to move freely to other atoms because of these free electron copper is a good conductor of electricity
A purebred tall pea plant is cross-pollinated with a tall, can you please help
heterozygous pea plant. Use a Punnett square to determine the probability the offspring inherita
recessive short allele. (I point)
75%
25%
0%
50%
Answer:
50%
Explanation:
because if you use the box method you see that half receive a short alele
T t
T TT Tt
T TT Tt
A paleontologist finds a relative complete skeleton but isn't sure if it is an ape fossil or a hominid fossil. Which of the following features would help distinguish between the two choices?
a. Position of the opening in the skull for the spinal cord
b. Design of the pelvis
c. Relative length of the hind limbs
d. Position of the eyes
when would a recessive trait be seen in an organism? A. When there is one dominant and one recessive gene for the trait present in the offspring. B. When there are two dominant genes for the trait present in the offspirng. C. When there are two recessive genes for the trait present in the offspring D. Never
What sections of DNA are used in DNA fingerprinting?
O A. Sections that only contain mRNA
O B. Sections that are unique to each person
O c. Sections that have the fewest mutations
O D. Sections that are made by bacteria
Which of the following statements is true?
An atom consists of protons, electrons, and
neutrons.
An atom consists of protons and neutrons.
An atom consists of electrons bonded to one
another.
An atom consists of protons bonded to one
another.
Answer:
An atom consists of protons, electrons, and neutrons.
Explanation:
The atom of an element is its smallest indivisible particle that retains its chemical properties. Atom is the fundamental and basic unit of matter.
The structure of an atom is made up of a positively charged PROTON, a neutrally charged NEUTRON (both contained in the nucleus) and a negatively charged ELECTRON that surrounds the nucleus. These three particles are called sub-atomic particles. The arrangement and number of these sub-atomic particles determine the properties of the atom.
First Question, A, An atom consists of protons, electrons, and neutrons.
Second Question, B, A nucleus consists of protons and neutrons.
edge
List some Characteristic of fruits.
Answer:
Quality factors for fruits include the following— maturity, firmness, the uniformity of size and shape, the absence of defects, skin and flesh color. Many of the same quality factors are described for vegetables, with the addition of texture-related attributes such as turgidity, toughness, and tenderness.
Why photosynthesis can't take place in such an environment , where there is no oxygen..? And exactly why trees need oxygen for photosynthesis ?
Answer:
Photosynthesis is a chemical process that leads to the release of oxygen as a by-product and is necessary for cellular respiration
Explanation:
The plants produce or make oxygen form the wastes of starch, sunlight carbon dioxide, and water. In order to burn the sugar that is stored in the plants, it needs to have sunlight which requires oxygen. As the break down of sugar C6 H12 O6 to CO2 and H2O needs O2 to do it. Which is called cellular respiration. This is also stated by the first law of thermodynamics that energy cannot be created and neither destroyed but transforms itself. Photosynthesis is the chemical process that is used to convert this chemical energy which makes carbon and water into glucose and oxygen is released as a by-product.21. When looking at the effect of pH on sucrase activity, what was the wavelength of light
used in the spectrophotometer?
Answer:
540nm
Explanation:
Sucrase is one of the digestive enzymes responsible for the digestion of sucrose containing foods. Its major function is the catalysis of the hydrolysis of sucrose into its subunits; fructose and glucose.
Enzymes, as biochemical catalysts always function maximally at an optimum pH. As the pH of the system departs from the ideal pH for any enzyme, the activity of that enzyme decreases accordingly.
The activity of sucrose is studied using a spectrophotometer of wavelength about 540nm. As the pH of the solution departs from the specific ideal pH of sucrase, its activity decreases as stated above.
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
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.
The levels of nitrogen and ___ in the atmosphere remain fairly constant but the levels of other gases may vary.
Answer:Oxygen
Explanation:
Explain in detail if the water molecule (top) can interact with the glucose molecule (bottom)
Answer:
Yes, glucose dissolves in water.
Explanation:
Hello,
In this case, we can state that glucose is largely soluble in water due to the fact that it has five of polar hydroxyl groups which can interact with the hydrogen atoms in the water throughout the hydrogen bonds. Such hydrogen bond is known as an intermolecular force that forms a special type of dipole-dipole attraction when a hydrogen atom bonded to a strongly electronegative atom (like the oxygen in the hydroxyl groups) exists in the vicinity of another electronegative atom with a lone pair of electrons, therefore they occur among molecules.
A/An ______________________________ is a specialized radiographic examination of the uterus and fallopian tubes. Question 94 options:
Answer:
Hysterosalpinography
Explanation:
It is Hysterosalpingography because it is an x-ray examination of uterus and fallopian tubes that uses a specific type of x-ray called fluoroscopy and a radiopaque material. It is use to examine women who find it difficult in getting pregnant to examine the shape of the uterus.
Which is biotic?
O water
O temperature
beeswax
rocks
Beeswax because it is a livong thing
The biotic factor among the options given is beeswax, which is the third option, as the biotic factors are living or once-living organisms in an ecosystem that directly or indirectly affect other organisms.
What is a "biotic factor"?Biotic factors are living or once-living components of an ecosystem that have a direct or indirect effect on the survival, growth, and reproduction of other living organisms. Examples of biotic factors include plants, animals, fungi, bacteria, and other microorganisms that are part of the ecosystem. Beeswax, as mentioned, is a biotic factor because it is produced by living organisms, specifically bees. Beeswax is used by bees to build their hives or nests, which are important structures for their survival and reproduction.
Hence, the biotic factor among the options given is beeswax, which is the third option.
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What is the valence of an atom with six electrons in its outer electron shell?
A)1
B) 2
C) 3
D) 4
E) 5
Answer:
D. Valency is 4
Explanation:
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12. Phenotypes, such as eye color, are controlled by multiple genes. If eye color was controlled by the number of genes indicated below, how many possible genotypes would there be?
Answer:
Following are the answer to this question:
Explanation:
In the given question some data is missing so, the answer to this question can be defined as follows:
In the question first, we explain Phenotypes and genotypes then we defined the above choices solution:
The Phenotype relates to the physical attributes of the organism that are observable and include nature, development, and behavior of the organism. The genotype is the organism's genetic structure, which decides a person's hereditary potentials and limitations from such an embryo to adult life.The choices description can be defined as follows:
In choice 1, The 5 genes are equal to 32 genotypes. In choice 2, The 10 genes are equal to 1024 genotypes. In choice 3, The 20 genes are equal to 1048576 genotypes.The given question is incomplete, the complete question is:
1. Phenotypes, such as eye color, are controlled by multiple genes. If eye color was controlled by the number of genes indicated below, how many possible genotypes would there be?
5 Genes:
10 Genes:
20 Genes:
In the given question, the possible genotypes will be 32, 1024 and 1048576.
The calculations of the number of genotypes:The color of the eye is controlled by many genes. The individuals observable traits like height and color of the eye is known as a phenotype. The genetic contribution to the phenotype is known as the genotype.
The number of genotypes can be determined by using the formula,
2ⁿ.
In case when n is 5, then the number of possible genotypes will be,
2⁵ = 32
In case when n is 10, then the number of possible genotypes will be,
2¹⁰ = 1024
In case when n is 20, then the number of possible genotypes will be,
2²⁰ = 1048576
Thus, the number of possible genotypes is 32, 1024 and 1048576.
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HELPPPPP Which of the following pieces of evidence supports that species change due to certain genetic variations? Darwin's theory of evolution was incorrect, as it did not account for variation in a species. Natural selection causes variation but cannot cause the evolution of a new species. Mutation and natural selection both cause changes in a population. Changes in a population abruptly occur as a direct response to the environment.
Answer:
D. Mutation and natural selection both cause changes in a population
Explanation:
I just took the test. Good luck! :)
The two evidences that supports the fact that species change due to certain genetic variations are that mutation and natural selection both cause changes in a population.
What is natural selection?Natural selection is the postulation by Charles Darwin that organisms that are more adapted to their environment live longer and reproduce hence pass on their favorable traits to their offspring.
The two evidences that supports the fact that species change due to certain genetic variations are that mutation and natural selection both cause changes in a population.
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Non segmentation allows for evolutionary innovation in body form. True or false
Answer:
True
Explanation:
Why an apple and a glass of milk can give you more nutrition as compared to the milk shake Prepared from apple and milk. Justify it based on the physiology of GIT.
Answer:
Fruits rich in vitamin C should never be teamed with milk," noted Shilpa. This will come as a shock but experts suggest not combining milk with any type of fruit. ... Milk is a type of animal protein which may cause digestive issues, acidity and fermentation in the gastrointestinal tract when teamed with certain fruits.
Due to difference in the amount of apple and milk.
An apple and a glass of milk can give you more nutrition as compared to a milkshake that is prepared from apple and milk due to there difference in their concentration. A milkshake that is prepared from apple and milk has lower in quantity means half piece of apple and half glass of milk is used while on the other hand, full apple and full glass of milk are more in quantity so they are high in nutrition and energy.https://brainly.com/question/24344323
You are a graduate student in the lab of a famous fly geneticist. You need to analyze a batch of mutant flies that were recently created in her laboratory to identify the single gene that is most likely mutated in each of the flies. Fill in the below mention blanks.
1. The wings are missing in mutant fly L, which is likely the result of a mutation in________ .
2. Mutant fly X has lost the head and thorax. The gene most likely responsible for this mutation is____________.
3. Thoracic and abdominal structures are missing in mutant fly Q. The gene most likely responsible for this mutation is__________ .
4. Mutant fly F has predominantly lost abdominal structures, which is likely the result of a mutation in _________ .
5. The mutation observed in mutant fly O resulted in defects within the anterior or posterior regions of each segment. The gene that most likely caused this mutation is _________.
6. Segment-sized sections of every other segment are missing in mutant fly Z. One likely candidate gene is ________
a. hunchback (a gap gene)
b. even-skipped (a pair-rule gene)
c. wingless (a segment-polarity gene)
d. knirps (a gap gene)
e. hedgehog (a segment-polarity gene)
f. Kruppel (a gap gene)
Answer:
1.wingless (a segment-polarity gene)
2. hunchback (a gap gene)
3. Kruppel (a gap gene)
4. knirps (a gap gene)
5. hedgehog (a segment-polarity gene)
6. even-skipped (a pair-rule gene)
Explanation:
The gap genes are genes expressed during embryonic development of some arthropods. Loss of function mutations of the gap genes are responsible to produce structural "gaps" in the corresponding region of the embryo. The gap genes are transcription factors that modulate the expression of pair-rule genes, which in turn are required for embryonic development of the alternate segments. On the other hand, the segment polarity genes are involved in determining the anterior/posterior axis of each segment (the segment polarity network). In the embryo, segment-polarity genes are expressed at specific localizations only after the expression of gap and pair-rule genes.
Help anyone ????? Please
Answer:
It is wavelength
Explanation:
wavelength is defined as the minimum distance at which a wave repeats itself
and at the point of compression (where the wave lines are so close to each other) is when another wave starts