Answer:
heres how
Explanation:
Neurons communicate with each other by sending chemical and electrical signals. Each neuron is connected with other neurons across tiny junctions called “synapses.” Impulses rush along tiny fibers, like electrical wires, from one neuron to the next. Electrical impulses travel through neurons.
4. The cells of meristmetic tissue undergo continuous cell division
and produce permanent tissue. yes of No.
Answer:
yes.
Explanation:
Can someone plz help me plz
Why was Lucy's mutation not a problem?
Because it has no effect on the active site, the gene mutation is not an issue.
Lucy was able to produce more proteins and break down deoxyadenosine correctly after receiving stem cell therapy, which helped her fight off the additional stop protein.
The active site will not be affected by the gene mutation. This is because the non-essential amino acid or protein in the molecule is affected by the mutation. The molecule maintains its original shape and state as a result. In addition, the active site of the quaternary protein structure comprises a large number of proteins. Therefore, the mutation won't have a significant impact on the molecule's overall structure or ability to perform its function.
The complete question is:
Your scan of Lucy's ADA gene showed a mutation in the active site. Why was this mutation not a problem?
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How many archaebacteria species are there
Please help
Why do cloned calico cats look different?
Answer:
Even with the exact same genetic make-up, a calico cat’s coloration would be different than her twin’s because it’s random whether a cell codes for orange or black fur. The same goes for clones.
Explanation:
50 POINTS AND BRAINLEST!!!!
What is the chemical symbol for the element sodium?
The chemical symbol for the element sodium is referred to as Na.
What is a Chemical symbol?This is referred to as the abbreviation which is used in chemistry for chemical elements, functional groups and other types of chemical compounds.
They are derived or gotten from one or two letters from the Latin alphabet and is usually written with the first letter being in capital form. It is a very important aspect in the representation of elements in a chemical reaction or equation.
Sodium is a chemical element with the symbol Na and atomic number 11 and is an alkali metal, because it is in group 1 of the periodic table. The latin name is Natrium which is therefore the reason why Na which is the first two letters with the first in capital form is regarded as the chemical symbol.
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Answer:
the chemical symbol of the element sodium is Na
What do snails and clams have in common?
The common characteristics of snails and clams is that both belong to the phylum Mollusca and posses a calcareous shell on their body.
The phylum Mollusca is the second largest phylum of the kingdom Animalia. These are the invertebrate animals that are characterized by the presence of a calcareous shell on their body. The example of Mollusca are: snails, oysters, etc.
Shell is the outermost skeleton of organisms of Mollusca. It is made of calcium carbonate as the main constituent. The shell may be present only on the upper side of the body. Or it may be present on both the side, such animals are referred to as bivalves.
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What are the characteristics of the central nervous system?
a. it is made up of the brain and spinal cord.
b. it is a system of bones that supports the body.
c. it uses the spinal cord as a pathway to transmit messages to the pns.
d. it contains networks of nerves called plexuses.
The central nervous system (CNS) is the part of the nervous system that consists of the brain and the spinal cord. The CNS is responsible for receiving and interpreting information from the body and the environment.
The central nervous system is responsible for integrating information from various sources, such as the senses, and for coordinating responses to that information. The central nervous system is responsible for controlling and coordinating the actions and movements of the body, such as muscle movement and balance. The central nervous system is responsible for higher functions such as perception, thought, memory, and emotion, The brain is protected spinal cord by the skull and the spinal cord is protected by the vertebral column, which helps to protect the CNS from physical trauma. The central nervous system uses electrical and chemical signaling to communicate with the body and other spinal cord systems. The central nervous system has the ability to change and adapt in response to new experiences, a property known as neural plasticity.
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How many nucleotides are
involved in a point mutation?
?
Answer:
It is the result of a single nucleotide, but due to the one mistake of the first singular nucleotide many can be changed.
Answer:
One or a few
Explanation:
Misspelling a word is like ____ in a game
Answer:
Misspelling a word is like an error in a game.
Explanation:
I don't know.
Which of these physical structures in animals is similar to this structure in plants?
Answer choices:
Exoskeleton
Feathers
Scales
Fur
Answer:
Exoskeleton
Explanation:
If an athlete were using illegal growth hormones to increase his or her muscle growth, he or she would be trying to make changes to his or her:
If an athlete were using illegal growth hormones to increase his or her muscle growth, he or she would be trying to make changes to his or her endocrine system.
A intricate system of glands and organs makes up the endocrine system. Your body's metabolism, energy level, reproduction, growth and development, and response to injury, stress, and mood are all regulated and coordinated by hormones. The following elements make up the endocrine system: Hypothalamus. An growth organ that produces hormones that are released directly into the bloodstream and travel to tissues and organs throughout the body.endocrine system regulate many bodily functions, including growth and development, metabolism, and fertility.
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A female horse gives birth to an offspring on a farm. The farmer notices the offspring
is especially fast and healthy. He would like to identify which male horse is the
offspring's father for selective breeding purposes. He asks a local university to run a
DNA fingerprint with DNA samples from the mother, offspring and the three male
horses on the farm. Which male does the data show is MOST likely the offspring's
father?
Answer:
male 2
Explanation:
Everything the offspring has that the mom doesn't , male 2 does
The farmer notices the offspring is especially fast and healthy. The male that data show is most likely the offspring's father is male 2.
What is selective breeding?The likelihood of biodiversity rises as a result of selective breeding. By breeding organisms for particular desired features that can be passed on to their progeny, a procedure known as selective breeding is used.
Because distinct features and genetic differences may become more obvious, biodiversity may rise as a result. Pick parents from a mixed population who exhibit these traits.
They have interbred. Select the best progeny with the necessary traits to create the following generation. Continue doing this for numerous generations until all of your progeny possess the desired traits.
Therefore, the male that data show is most likely the offspring's father is male 2.
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What can you put on an apple slice to keep it from turning brown
Everything about this like
Hypothesis
Independent Variable
Dependent variable
Answer:
lemon juice
Explanation:
Acids prevent browning because they react with the oxygen that comes into contact with the surface of the sample. Once all the acid (or whatever else is covering the surface) has reacted with the oxygen or the acid has degraded or washed off, then the sample will start to brown again. Stronger acids, like lemon juice, can even denature the enzyme. This means that the enzyme can no longer perform its original function because of its environment.
Explain how a root hair cell is specialised for its function
Root hair cell are adapted for absorption of water by having a tubular structure which increases its surface area.
What is root hair cell?"Root hair cells are single tubular root cells."Due to its shape it has large surface area which helps in absorption of water.How root hair cell absorb water?The root hair cell absorb water by osmosis ("movement of solvent takes place from high water concentration to low water concentration through a semipermeable membrane.")Hence we can say that root hair cell has large surface area which specialized in absorption of water.
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how do people acquire immunity?
a) through breastfeeding
b) through a shot
c) through antigens
d) through inflammation
What are two similarities between natural and artificial selection?
Natural selection is a process that occurs when environmental factors that limit survival and reproduction, such as harsh environments or mating competition, are present.
Selected breeding falls within the definition of "artificial selection." Breeding is the natural act of two species mating, but selective breeding is an artificial process where people intervene and pick certain organisms to marry. Selective breeding and natural selection can be contrasted in three ways.
Artificial selection is a human-driven process. Natural selection is governed by environmental demand for selection. The artificial selection process is managed by breeders. Natural selection has significantly boosted biological diversity on Earth. As opposed to natural selection, artificial selection makes it simpler for the breeder to pass on desired qualities.
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What type of air mass forms over Charlotte, NC
Which conclusion can be made from the observation below?
Hypothesis: A feather weighing two grams takes longer to fall from a distance of six meters than a two-gram ball bearing.
Procedure: Use a timing device to measure the amount of time it takes for a feather and a ball bearing to fall to the floor from a distance of six meters.
Observation: The feather took more time to fall to the floor than the ball bearing.
A. The feather fell slower because it weighs less.
B. The ball fell faster because it has more gravitational force.
C. The ball fell faster because it weighs more.
D. The feather fell slower because it encountered more air resistance.
3. Which type of molecule is more likely to quickly pass through a cellular membrane via simple diffusion, polar or non-polar
Non-polar molecules are less likely to be drawn to the polar phospholipid heads of the cell membrane, which makes them more likely to move across a cellular membrane swiftly via simple diffusion.
This indicates that they can more readily traverse the hydrophobic (non-polar) tail section of the cell membrane. Polar molecules, on the other hand, are drawn to the phospholipid heads and may have trouble crossing the cell membrane.
Simple diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration without the aid of a transport protein. The cell membrane is a selectively permeable membrane, which means that it only allows certain molecules to pass through.
Non-polar molecules, such as hydrocarbons, can easily diffuse through the hydrophobic (non-polar) tails of the phospholipid bilayer because they are not attracted to the polar heads of the phospholipids.
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If an organism has 50 chromosomes, how many chromosomes will the gametes have after undergoing meiosis
If an organism has a diploid number of 50, and one of its cells undergoes meiosis, then the number of daughter cells produced by this cell is four and each contains 25 chromosomes.
Diploid may be defined as a condition that determines the existence of two complete sets of chromosomes in an organism's cells, with each parent contributing a chromosome to each pair.
On contrary, haploid cells generally contain only a single set of chromosomes. These types of cells are formed due to the process of meiosis, while diploid cells are formed by the activity of mitosis.
According to the question, if a diploid number of an organism = 50.
This means that 2n = 50,
n = 25.
As we all know that when a cell undergoes meiosis, it will definitely have half the amount of genetic content in its daughter cells.
Therefore, if an organism has a diploid number of 50, and one of its cells undergoes meiosis, then the number of daughter cells produced by this cell is four and each contains 25 chromosomes.
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Before testing the pea plants, Mendel formed a five-part hypothesis. What did Mendel include in his hypothesis
The following are included in Mendel's theory: A pair of components regulate traits (known as genes). One gene is inherited from each parent for each trait. Every quality is passed down from one generation to the next.
During the development of gametes, genes divide. When two genes are in direct opposition to one another, one gene may be expressed while the other is hidden.
A trait may not manifest in an individual but can still be passed on to the next generation, and the genes for each trait separate themselves during gamete formation. Individuals inherit one such unit for each feature from each parent.
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Can any conclusions be drawn as to the types of habitats likely to contain the most microbes?
Yes, a conclusion can be drawn that living surfaces contain more number of microbes as compared to non-living surfaces.
Microorganisms or microbes can be found in a lot of different conditions in the environment. This proves that they can thrive in a number of different conditions. All microbes require different environmental factors which can boost their growth. Some of them are able to survive in harsh cold habitats like in the ice and also in high temperatures like hot springs.
It has been observed that the number of microbes is high in habitats or surfaces which can suffice the need for nutrition and other factors of the microbe so that it is able to survive and it can be concluded that living surfaces, for example fungal spores, will have more microbes as compared to a non-living surface.
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True or False: Before making any decision (includes environmental), it
necessary to evaluate all risks and make mathematical models
False. Not all decisions require risk evaluation or mathematical modeling.
What is evaluation?Evaluation is the process of examining and assessing a product, system, service, or program to determine its worth and effectiveness. It is a systematic process that involves identifying and measuring objectives, gathering information, analyzing data, and drawing conclusions. Evaluation is important to determine if a program is meeting its intended goals and helping to improve outcomes. Evaluation can also be used to inform decisio-making, identify areas of improvement, and provide feedback on performance. Evaluation helps to ensure that resources are being used effectively and efficiently. It can also provide guidance for future investments, help to set objectives and priorities, and provide evidence-based information for the development of policies and programs.
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explain the characteristics of living things
Living things have a number of characteristics that set them apart from nonliving things. These characteristics include Organization, Metabolism, Growth and development, Response to stimuli, Reproduction, Homeostasis, Adaptation.
Organization:
Living things are highly organized, with a clear hierarchy of structures from the smallest (such as cells) to the largest (such as entire organisms).
Metabolism:
Living things are able to convert energy from their environment into forms that they can use to sustain themselves. This process is known as metabolism.
Growth and development:
Living things grow and change over time. This can involve physical changes, such as getting taller or developing new body structures, or it can involve changes in behavior or function.
Response to stimuli:
Living things are able to sense and respond to stimuli in their environment. This can involve physical responses, such as moving toward or away from a stimulus, or it can involve changes in behavior or function.
Reproduction:
Living things are able to reproduce, either sexually or asexually, in order to create new individuals of their own kind.
Homeostasis:
Living things are able to maintain a stable internal environment, even when the external environment is changing. This process is known as homeostasis.
Adaptation:
Living things are able to adapt to their environment in order to survive and thrive. This can involve physical adaptations, such as developing new body structures or behaviors, or it can involve genetic adaptations, such as the evolution of new traits.
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Living things have the following characteristics: growth, movements, respiration, excretion, nutrition, and reproduction.
GROWTH: All living things grow in some way or another. Be it an increase in the number of cells due to cell division, or the proper organization of the cell, all living things show some sort of growth.
MOVEMENT: Living things are mobile in nature. They show some sort of movement in their lifetime.
RESPIRATION: Living things respire. it is a chemical reaction that causes energy to be released from the food that they intake.
EXCRETION: It is the process of excreting or removing the products that are formed during the breakdown of food that the being does not require.
NUTRITION: It is the process in which the living thing intakes nutrition. It can happen in different ways in different beings.
REPRODUCTION: It is the process in which the organism creates its progeny and passes on genetic information to it. It has various levels of complexity depending on the organism.
What is staminate flower? Find out any one dissimilarity among bacteria and fungi.
Answer:
A staminate flower is a male flower, bearing only stamens
Bacteria are prokaryotic entities
Fungi are eukaryotic entities and multicellular
Use Exam Activity 30-1 to identify and describe the six functions of mammalian hair.
Answer: Hair insulates the body against heat loss. A mammal eats about 10 times as much as a lizard of the same size. that of insulating against cold by conserving body heat. The differing colours and colour patterns in hair coats can also serve purposes of camouflage and of sexual recognition and attraction among the members of a species. The most important function of hair in mammals is that of insulating against cold by conserving body heat. ... Specialized hairs called vibrissae, or whiskers, serve as sensory organs for certain nocturnal animals. The specially modified hairs of the porcupine are called quills and serve defensive purposes. The most important function of hair in mammals is that of insulating against cold by conserving body heat. The differing colours and colour patterns in hair coats can also serve purposes of camouflage and of sexual recognition and attraction among the members of a species. brainliest??
Explanation:
Fleas bite the skin of dogs, suck their
blood, and cause them to itch. The fleas,
in turn, get food and a warm home. This is
an example of
Answer:
parasitism
Explanation:
Can muscle tightness cause back pain?
Spasticity, cramps, stiffness, and discomfort are just a few of the symptoms that can result from tight lower back muscles and back pain. These sensations might be constant, modest aches or intense, crippling misery.
What is spasticity?Spasticity is a disorder characterized by an unnatural rise in muscular tone or stiffness, which may impair speech or movement and be accompanied by discomfort or pain. Damage to the nerve pathways in the brain or spinal cord that regulate muscle action is the usual cause of spasticity.
What is pain?Uncomfortable bodily feelings are generally referred to as pain. It results from nervous system stimulation. Pain can be bothersome or incapacitating. It could feel like mild pain or a violent stabbing. Also, possible adjectives for it are throbbing, pinching, stinging, scorching, or sore.
What are muscles?Soft tissue like a muscle can be found in both humans and animals. Actin and myosin protein filaments make up the muscle cells, which glide past one another to cause contraction and alter the cell's length and form.
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What is faster? A cheetah, a race car, Usain Bolt, A speed boat