How and why are processes like biotechnology, mitosis, meiosis are manipulated
Answers
Answer:
Meiosis is a distinct process even though it shares many characteristics with mitosis because it has the unique task of producing new sex cells for reproduction. With a few important differences, meiosis essentially goes through the stages of mitosis twice.
Related Questions
Destruction of neurons in the hippocampus as a result of stress can lead to problems with _____.
Answers
Destruction of neurons in the hippocampus as a result of stress can lead to problems with long term shrinkage of hippocampus.
What is the impact of stress on hippocampus ?The hippocampus is the central organ of learning located near amygdala of the mid-brain.
It convert the working memory into long-term form memory for storage.
During stress, our brain wants to focus on sensory stimuli and quick problem-solving which resulted in alteration of function in hippocampus
Both acute and chronic stress causes less functionality of hippocampus
stress alters synaptic plasticity and firing properties of hippocampal neurons, changes neuronal morphology, proliferation and reduces hippocampal volume.
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Enzymes affect the reactions in living cells by changing the?
Answers
Answer:
Enzymes increase the rate of chemical reactions by reducing the amount of activation energy needed for reactants to start reacting.
Explanation:
100% correct. <3
The Sun transfers heat to Jane and Theo’s bodies as they sit on the sunny bench, increasing their body temperature. Which of the following responses by their bodies would help decrease their temperature and maintain homeostasis? Choose ALL that apply.
A
Shivering; their muscles will begin moving quickly.
B
Sweating; the water released from their skin will evaporate.
C
Goosebumps; the muscles under the hair in their skin will contract.
D
Vasodilation; their skin will turn red as blood is moved to the surface of the skin.
E
Vasoconstriction; their extremities will turn pale or blue as blood moves to the core of the body.
Answers
The correct responses that would help decrease Jane and Theo's temperature and maintain homeostasis are B) Sweating; the water released from their skin will evaporate and D) Vasodilation; which their skin will turn red as blood is moved to the surface of the skin.
When exposed to the heat from the Sun, Jane and Theo's bodies will initiate physiological responses to cool down and maintain their internal temperature within a normal range.
Sweating is one such response. The sweat glands in their skin will release water onto the surface of their skin. As the water evaporates, it absorbs heat from their bodies, resulting in a cooling effect.
Vasodilation is another response that helps decrease temperature. In this process, the blood vessels near the surface of the skin expand, allowing more blood to flow near the skin's surface. This increased blood flow helps dissipate heat from their bodies into the surrounding environment, resulting in a cooling effect. It is often accompanied by a redness or flushing of the skin.
Shivering (A) and goosebumps (C) are responses that are associated with trying to increase body temperature and conserve heat. Vasoconstriction (E) involves the narrowing of blood vessels, reducing blood flow to the skin's surface, which would not aid in cooling the body.
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If aspartate was linked to amino acids lysine, tyrosine, and serine, would this tetrapeptide be which of the
following?
Amphipathic
Hydrophobic
Cannot be determined from information given
Hydrophilic
Answers
If aspartate was linked to amino acids lysine, tyrosine, and serine, this tetrapeptide would be hydrophilic; option D.
What are amino acids?Amino acids are the basic monomer units from which proteins are made.
Amino acids consists of the following general parts:
a central carbon atoman amino groupan R groupa carboxyl groupa hydrogen atomThe R groups of amino acids determines the nature and polarity of amino acids.
The R groups of the amino acids aspartate, lysine, tyrosine, and serine are all polar groups.
Therefore, the tetra peptides formed from the amino acids will be hydrophilic.
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Which of these renewable resources results in an increase in pollution when used to produce energy?
a. water
b. wind
c. biomass
d. geothermal
Answers
When used to produce energy, biomass, a renewable resource, contributes to more pollution. Therefore, option c is correct.
Organic material from plants and animals is known as biomass. It is a sustainable and renewable source of energy that may be utilized to produce power in other forms, such as electricity.
It displays how the community is distributing its resources and energy. Carbon dioxide from the atmosphere is recycled by plant biomass because it collects it during growth and releases it during combustion.
Similar to burning other solid fuels like coal, burning biomass also produces significant amounts of pollutants. Burning organic material releases hazardous air pollutants such as mercury, lead, and other particulates, nitrogen oxides, carbon monoxide, and sulfur dioxide.
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Possessing a single copy of the HbS allele has been shown to provide some resistance to infection by Plasmodium falciparum, the parasite that causes malaria. Which of the following individuals represented in the pedigree would have the greatest selective advantage in an area where malaria is common?
Answers
The individual with the greatest selective advantage in an area where malaria is common would be III, who possesses a single copy of the HbS allele, option (c) is correct.
The HbS allele confers some resistance to Plasmodium falciparum infection, the parasite that causes malaria. In heterozygous individuals (carrying one copy of the HbS allele), the red blood cells may become sickled in response to infection, which hampers the parasite's ability to survive and reproduce.
This resistance increases the likelihood of survival and reproduction for individuals carrying the HbS allele in malaria-endemic regions. In contrast, individuals without the HbS allele (such as I, II, and V) do not possess this resistance and are more susceptible to malaria, option (c) is correct.
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The correct question is:
Possessing a single copy of the HbS allele has been shown to provide some resistance to infection by Plasmodium falciparum, the parasite that causes malaria. Which of the following individuals represented in the pedigree would have the greatest selective advantage in an area where malaria is common?
a. I
b. II
c. III
d. V
All living organisms share a common genetic code. What distinguishes one organism from another is the sequence of the -
Answers
What distinguishes one organism from another is the DNA sequence of the genome.
The genetic code is universal. It is a sequence of 3 nucleotide bases with each code representing a particular amino acid in all living organisms.
The nucleotide sequence in the DNA of organisms differs from organism to organism and species to species. Thus, the sequence of 3 bases that represent a genetic code will be different from organism to organism.
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The genetic code follows a set of principles used by living cells to convert information encoded in genetic material into proteins.
What distinguishes one organism from another is the sequence - the sequence of the amino acids.
Most of the time, the differences existing among organisms are relatively small. Most of the time such as a change usually occurs in the amino acid encoded by a particular codon.This is mainly influenced by the way in which these particular sequence of amino acids are arranged i.e the arrangement of these molecules differs for every organism making them unique from one to another.
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What type of model is shown?
Answers
Answer:
Its A, A structural formula
so a
Which organic molecule can be broken down into glucose, during digestion?
O Lipids
Proteins
Nucleic acids
O
Carbohydrates
Answers
Answer:
carbohydrates
Explanation:
I'm not rlly sure but I think its carbohydrates
what event will most likely occur if protein x is inserted into the inner membrane of mitochondria?
Answers
Answer:
The proton gradient across the inner membrane will dissipate.
Protein x forms membrane-spanning channels that alter the permeability of the inner membrane, thereby diffusing the proton gradient across the inner membrane.
What is Mitochondria?A mitochondria is defined as an organelle found in the cells of most eukaryotes, such as animals, plants, and fungi. It has a double membrane structure that uses aerobic respiration to generate adenosine triphosphate, which is used throughout the cell as a source of chemical energy.
Functions of mitochondria include oxidative phosphorylation to produce cellular ATP, but they also have important roles in ion homeostasis, in several metabolic pathways, in apoptosis and programmed cell death, and in ROS production and consumption.
When something is inserted into the membrane of the mitochondria some proteins which change the permeability of the membrane by the gradient.
Thus, protein x forms membrane-spanning channels that alter the permeability of the inner membrane, thereby diffusing the proton gradient across the inner membrane.
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Advanced Mitosis and Meiosis:Question 7
You are looking through a microscope at plant cells undergoing mitosis.
You notice that most of them do not have visible chromosomes; just a
dark-stained area indicating the nucleus. What stage of mitosis are most
of these cells in?
Select one:
A. Metaphase
B. Prophase
C. Anaphase
D. Telophase
Answers
Answer:
I think its metaphase stage
a chemical analysis of the plasma membrane or nuclear envelope would indicate the presence of
a. microtubules and microfilaments
b. just proteins
c. just lipids
d. cellulose
e. both proteins and phospholipids
Answers
A chemical analysis of the plasma membrane or nuclear envelope indicates the presence of both proteins and phospholipids.
The plasma membrane is the outermost layer of a cell. The plasma membrane is made up of proteins, lipids, and carbohydrates. The membrane consists of three layers, both outer and inner layers are made up of proteins and a lipid layer is embedded between them. The lipid layer consists of cholesterol and phospholipids. The protein layer is made up of structural proteins and transport proteins.
The nuclear membrane covers the nucleus in a eukaryotic cell. Nuclear membrane up of lipid bilayer. It consists of two membranes. The outer membrane is attached to the endoplasmic reticulum but contains a higher number of proteins than the ER. The inner membrane surrounds the nucleoplasm. There are pores on both membranes which allow the transport of nutrients and other products from and to the nucleus.
So, while considering, both plasma membrane and nuclear membrane are made up of proteins and phospholipids.
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Which buffers in GFP purification by HIC have the highest salt content and how can you tell
Answers
The buffers with the highest salt content in GFP purification by HIC are typically the elution buffers.
In GFP purification by HIC (hydrophobic interaction chromatography), the buffers with the highest salt content are usually the elution buffers. This is because higher salt concentrations are needed to disrupt the hydrophobic interactions between the GFP and the stationary phase of the HIC column. Typically, the salt concentration in the elution buffer is higher than that in the equilibration buffer and wash buffers. One way to determine the salt content is by looking at the ionic strength of the buffer, which is a measure of the concentration of all ions in solution. A higher ionic strength indicates a higher salt content. Another way to determine the salt content is by measuring the conductivity of the buffer. Conductivity is a measure of the ability of a solution to conduct electricity, which is influenced by the presence of ions. A higher conductivity indicates a higher salt content.
In summary, the buffers with the highest salt content in GFP purification by HIC are typically the elution buffers, which can be identified by their higher ionic strength and conductivity compared to the other buffers used in the process.
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Where do cell bodies of postganglionic neurons of the sympathetic nervous system originate?
Answers
Answer:
Prevertebral ganglia:)
Explanation:
if two loci act independently during meiosis: a. they most likely contain the same gene b. they are most likely found on the same chromosome c. they are most likely found on different chromosomes d. a and b e. a and c
Answers
If two loci act independently during meiosis, they are most likely found on different chromosomes. If two loci are on the same chromosome, they can be inherited together and are not considered independent. The correct option for the given question is c) .
This statement is true because loci are the position of a gene on a chromosome and meiosis is a process that involves the separation of chromosomes. During meiosis, homologous chromosomes pair up and separate during the first meiotic division. The separation of homologous chromosomes is random and independent of each other.
This means that the genes located on different chromosomes separate independently during meiosis. The genes located on the same chromosome can segregate together if they are close to each other, which is called linkage.
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what happens if we change a variable in the GPE or KE formula?
Answers
According to the work-energy theorem, the network performed by forces acting on an item equals the change in kinetic energy.
What is KE and GPE?
KE is the kinetic energy and GPE is the gravitational potential energy. Gravitational potential energy can be converted into other energies.
Kinetic energy is one possible transformation of gravitational potential energy. Gravitational force will exert work on the mass equal to mgh if we let it go, increasing its kinetic energy by the same amount.
Therefore, according to the work-energy theorem, the net work performed by forces acting on an item equals the change in kinetic energy.
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Segmented worms with bodies are _____.leechesscallopsearthwormsnautiluspolychaeta
Answers
Annelida are worms whose bodies are divided into similar rings or segments. they are classified into three groups, Polychaeta, Oligochaetes, Hirudine, and Achaea.
Polychaeta is the bigger group in the Annelida, and everyone has equal segments.
Leeches are segmented parasitic predatory worms in the Hirudinea subclass, in the Annelida phylum.
The scallop is a name of various species and does not belong to the Annelida phylum.
The earthworm is a terrestrial invertebrate that belongs to the Annelida Phylum.
Nautilus is from the Mollusca phylum and does not belong to the Annelida.
The subphylum Polychaeta, the leaches, and the earthworm are the ones that match the description of segmented worms
HELP
what phenotypes will be shown by the offspring in this punnett square?
Answers
Answer:
A. All offspring will show the dominant phenotype for this trait.
Hope this helps!
Explanation:
egg________caterpilllar______imago
Answers
When Mendel’s first generation pea plants were allowed to self-pollinate, the ratio of tall (dominant) to short (recessive) plants in the second generation was
Answers
Answer:
3:1
Explanation:
Gregor Mendel, who is regarded as the Father of Genetics, worked with pea plants throughout his research. He observed the trait for height in the plants. In the gene for height in pea plants, the allele for tallness (T) is dominant over the allele for shortness (t).
Mendel's first generation pea i.e. F1 plants, which were derived by crossing tall (TT) and short (tt) parents in the P generation, were heterozygous for tallness (Tt). When these F1 plants were allowed to self pollinate i.e. Tt × Tt, the following proportion of offsprings were produced in the F2 generation:
- TT, Tt, Tt, and tt
- Tall 3 : short 1
Answer:
3:1
Explanation:
3 because the dominant is always masking the recessive
so
TT, Tt, Tt, tt
Hope this helps!
Select all the correct answers.
When people run quickly, they can sweat profusely. Their muscles undergo movement, and the loss of energy takes place. Based on this description, in which two ways is energy conserved when people run?
1. Heat energy is released from the body to the surroundings.
2. Heat energy is taken from the surroundings to the body.
3.Chemical energy is converted to mechanical energy that’s used for muscle movements.
4.Radiant energy is converted to mechanical energy that’s used for muscle movements.
5.Heat energy is converted to mechanical energy that’s used for muscle movements.
Answers
When we run, we sweat, which means we're getting hotter and hotter and our bodies need to cool down, which they do through transpiration (sweating). If we need to cool down, we need to release the heat that is in our bodies.
To run, we also need to move our muscles, which requires a specific type of energy, called mechanical or kinetic energy, which is the "energy of movement". In our bodies, we don't store that type of energy though, so we have to convert chemical energy to mechanical energy.
Answers:
⭕Heat energy is released from the body to the surroundings.
⭕Chemical energy is converted to mechanical energy that’s used for muscle movements.
Answer:
Heat energy is released from the body to the surroundings.
Chemical energy is converted to mechanical energy that’s used for muscle movements.
Explanation:
which ecosystem service with suffer the most from opening a large stretch of coastal or domestic drilling
a) cultural
b) provisioning
c) regulating
d) supporting
Answers
Answer:
I believe the answer is Provisioning services
Explanation:
Biodiversity is known to underpin these ecosystem services, which inter alia, include: 1) provisioning services that provide potable water, food, fibre, and medicine; 2) regulating services that control our climate, disease vectors, crop pests, and pollinators; 3) cultural services that influence our beliefs, traditions and provide enjoyment opportunities; and 4) supporting services that underpin life on Earth through the cycling of nutrients, soil formation, and photosynthesis
Correct me if i'm wrong but i hope i helped! xoxo
Please help me its due in 20 minutes
Answers
Answer:
D
Explanation:
what might be a symptom of a person whose vein valves are not functioning properly and causing fluid to flow away from the heart?
Answers
Answer:I can I get brain ly ess
Explanation:
Valvular regurgitation may be also called “leaky valve.” It occurs when any of the heart valves doesn't close properly, causing blood to flow backward. The symptoms can include: shortness of breath. a cough.
a well-balanced diet should consist of approximately 58% carbohydrates, 30% fat, and 12% protein. (T/F)
Answers
True. Approximately 58% of a diet's calories should come from carbs, 30% from fat, and 12% from protein.
Each gram of carbohydrate has 9 calories. Each gram of fat and protein contains about 4 kcal. Protein in the body is broken down when not given enough carbohydrates to utilize as fuel.
The nutrients your body requires to function properly are provided by a balanced diet. Without a healthy diet, your body is more vulnerable to illness, infection, weariness, and poor performance. Lack of access to healthful meals can cause growth and developmental issues, poor academic performance, and recurrent illnesses in kids.
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Which areas of the brain undergo major growth spurts during middle childhood?
Answers
sensory and motor areas undergo major growth spurts during middle childhood.
The two types of motor (movement) skills that children acquire are called "fine motor skills" and "gross motor skills." Using hands and fingers to control smaller things is a function of fine motor abilities. coordination is a component of gross motor skills.Synaptic remodeling, or pruning, is a natural process of maturation. Additionally, because each child has a different experience, the brain grows in large part as a result. More often utilized synapses tend to be kept, whereas less frequently used synapses are lost.The brain is driven by the motor system, which also drives sensory stimulation and feedback. These abilities must advance and grow in order to support behavior and academic learning. Children that struggle academically or behaviorally frequently have underdeveloped sensory and motor systems.learn more about sensory and motor here: https://brainly.com/question/13061744
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which of the following best summarizes the main function(s) of your nervous system?group of answer choicesit produces vital bodily fluids such as bile and regulates the body's secretion of these allows the right side of your brain to communicate with the left side of your allows you to receive sensory information, process that information, and then respond to regulates the oxygen in your blood, protects you from pain, and helps your body eliminate waste.
Answers
The main function of your nervous system is to allow you to receive sensory information, process that information, and then respond to it. This includes functions such as sensory perception, information processing, and motor responses.
The nervous system is responsible for coordinating and controlling the body's activities by transmitting signals between different parts of the body. It consists of the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system (PNS), which includes nerves that extend throughout the body. The sensory neurons in the PNS gather information from the environment and transmit it to the CNS. The CNS processes this information and generates appropriate responses, which are then sent back to the body via motor neurons in the PNS. This allows you to react to stimuli, move your muscles, and perform various bodily functions. The nervous system also plays a role in maintaining homeostasis, coordinating bodily systems, and protecting the body from potential harm.
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write downany two organisms which shows binary fission
Answers
Answer:
Amoeba and Paramecium
Answer:
Amoeba,
Euglena
Explanation:
In biology, binary fission is a type of asexual reproduction where a parent cell divides, resulting in two identical cells, each having the potential to grow to the size of the original cell. ... Binary fission is common among prokaryotes, e.g. archaea, eubacteria, cyanobacteria, and certain protozoans (e.g. amoeba)
What is the function of Primase?
Answers
Answer:
Explanation:
"Primase is an enzyme that synthesizes RNA sequences called primers. primase produces RNA molecules, the enzyme is a type of RNA polymerase."
Hope this helps :)
Renewable resources can never become depleted? true or false?
Answers
Answer:
False
Explanation:
Answer:
False
Explanation: Some resources will practically never run out. These are known as renewable resources. Renewable resources also produce clean energy, meaning less pollution and greenhouse gas emissions, which contribute to climate change