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The group protozoa is not an official taxonomic group and is used as an informal term only within the scientific community. question 4 options: 1) true 2) false
The statement 'the group protozoa is not an official taxonomic group and is used as an informal term only within the scientific community' is True.
What are protozoa?Protozoa is a widely diverse group composed of different types of single-celled unicellular microorganisms.
Protozoa do not have cell walls and generally, they are heterotrophic organisms that cannot obtain their own food.
In conclusion, the statement 'the group protozoa is not an official taxonomic group and is used as an informal term only within the scientific community' is True.
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Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as:
Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as homeostatic mechanisms.
Homeostasis is the body's ability to maintain a stable internal environment despite external changes.
In the context of the brain, homeostatic mechanisms involve various processes that regulate physiological functions and maintain optimal levels of essential substances.
These mechanisms can include feedback loops that detect imbalances and initiate corrective actions.
For example, if there is a deficiency in a particular nutrient or hormone, the brain may activate mechanisms to increase its production, decrease its consumption, or enhance its absorption from the environment.
Homeostatic mechanisms play a crucial role in ensuring the body's overall stability and functioning, helping to maintain proper levels of various substances and promoting overall well-being.
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If you answer I will give you brainliest plz plz plz helpppppp meeeeeeee
Answer:
Preserved Fossil
Explanation:
A preserved fossil, also known as a "true form fossil," is one that remains intact, or nearly intact, because of the method in which it was fossilized. Preserved fossils are rare; most fossils suffer damage from weathering and sedimentation before they are discovered.
Which best compares a molecule that has a trigonal planar shape with one that has a trigonal pyramidal shape?
They both contain three lone pairs of electrons around the central atom.
They both contain three atoms around the central atom.
The central atom of the trigonal planar molecule has two lone pairs around it, but the central atom of the trigonal pyramidal molecule has only one.
The central atom of the trigonal planar molecule has two atoms around it, but the central atom of the trigonal pyramidal molecule has only one.
The statement that best compares a molecule that has a trigonal planar shape with one that has a trigonal pyramidal shape is as follows: They both contain three atoms around the central atom (option B).
What is hybridisation in chemistry?Hybridisation is the linear combination of atomic orbitals in a molecule to form hybrid orbitals. A chemical compound can possess either a trigonal pyramidal shape or trigonal planar shape.
Trigonal pyramidal is a chemical form that occurs when the central atom in the molecule has three bonds and one lone pair. Sp³ hybridization occurs at the centre atom of molecules with tetrahedral electron pair geometries. The molecule ammonia has a trigonal pyramidal shape.
A trigonal planar molecular geometry compound has a centre atom that is bonded to three additional atoms or groups. The three groups to which it is connected form a triangle around the core atom, with bond angles of 120 degrees, because it has no lone pairs of electron pairs.
The major difference between these two molecular geometry is that trigonal planar geometry has no lone pair of electrons while trigonal pyramidal geometry has lone pair of electrons.
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Hypothermia _____. results from excess sun exposure causes a high, infectious fever results from high body temperature results from low body temperature
Answer: it comes from the results from low body temperature
Explanation:
m. a. kelly, et al., leveraging population‐based exome screening to impact clinical care: the evolution of variant assessment in the geisinger mycode research project. american journal of medical genetics part c: seminars in medical genetics 187, 83–94 (2021).
The article "Leveraging population‐based exome screening to impact clinical care: the evolution of variant assessment in the Geisinger MyCode Research Project" discusses the use of exome screening in improving clinical care. It provides valuable insights into variant assessment and highlights the challenges and advancements in this field.
The article titled "Leveraging population‐based exome screening to impact clinical care: the evolution of variant assessment in the Geisinger MyCode Research Project" was published in the American Journal of Medical Genetics Part C: Seminars in Medical Genetics in 2021. The authors of the article are M.A. Kelly and others.
This article discusses the use of population-based exome screening in the Geisinger MyCode Research Project to improve clinical care. Exome screening involves analyzing the protein-coding regions of the genome to identify genetic variants that may be associated with certain diseases or conditions.
The authors describe the evolution of variant assessment in the project, highlighting how the understanding and interpretation of genetic variants have changed over time. They discuss the challenges faced in variant interpretation, such as distinguishing between benign and disease-causing variants, and the importance of a multidisciplinary approach to variant assessment.
The article provides insights into the impact of population-based exome screening on clinical care and emphasizes the need for ongoing research and collaboration to improve variant assessment. It offers valuable information for researchers, clinicians, and individuals interested in the field of genetics.
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Tell me what you know about nerve cells and how they create an imbalance in their electrical gradient. What causes that and how does it create a nerve impulse? Give very descriptive details
The resting membrane potential, often known as the resting potential, is a voltage across the membrane of a dormant (non-signaling) neuron.
What is electric Gradient?Ion concentration gradients across the membrane and the permeability of the membrane to each kind of ion dictate the resting potential. In neurons, an electrical gradient is used as a mode of information transfer.
At resting potential, the nerve is at -70 mV which is maintained by the sodium-potassium pump. This uses ATP to move three sodium ions out of the cell and two potassium ions into the cell. The potassium leak channel also contributes to this resting potential as potassium ions diffuse out of the cell to maintain the potential.
Due to the difference in electrical charges in the intracellular and extracellular fluid, an electrical gradient is formed. The gradient, if unmaintained, would balance the charges of the intracellular and extracellular fluid, as the sodium ions would move into the cell.
Therefore, The resting membrane potential, often known as the resting potential, is a voltage across the membrane of a dormant (non-signaling) neuron.
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What elements are found in the human
body?
Answer:
there are four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you. They are found throughout your body, mostly as water but also as components of biomolecules such as proteins, fats, DNA and carbohydrates.
Explanation:
oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus.
the explanation for energy
Which statements describe transform boundaries? A) Rift valleys are formed. B) Mountains are created. C) Faults form in the lithosphere. D) Plates move toward each other.
Answer:
C) Faults form in the lithosphere.
Explanation:
Faults form in lithosphere is part of transform boundaries because the plates simply slide past each other without causing any change to the lithosphere (i.e it is neither created nor destroyed) which is why transform boundaries are also sometimes referenced when we speak about phenomena related to when plates slide in opposite directions.
Answer: c. Faults form in the lithosphere.
Explanation:
Which of the following is the best statement comparing the water of today with the water
that was here 100 million years ago? (1 point)
A) Water enters and leaves Earth duing evaporation and precipitation cycles.
B) The water present on Earth today is made of the same atoms but the molecules
have been recycled through biologic activity.
C)The atoms that made the water then were destroyed when they were used; the
atoms that make up water now were made more recently.
D)The molecules of water then are the same molecules that exist today.
Answer:
A. Water enters and leaves Earth during evaporation and precipitation cycles.
Explanation:
Answer:
B
Explanation:
C is wrong because, atoms cannot be destroyed or made according to the law of conservation of mass. D is wrong because water goes through many processes, like A states, but both are wrong because B is the most correct.
In females, the ovaries are paired, oval organs located within the pelvic cavity lateral to the? a. Heart b. Kidneys c. Stomach d. Uterus.
In females, the ovaries are paired, oval-shaped organs that are located within the pelvic cavity, lateral to the uterus. The correct answer is D.
The ovaries are connected to the uterus by the fallopian tubes, also known as the uterine tubes. The ovaries are important reproductive organs that produce and release eggs as well as the hormones estrogen and progesterone. These hormones play key roles in regulating the menstrual cycle and preparing the uterus for pregnancy. The location of the ovaries within the pelvic cavity can be visualized using medical imaging techniques such as ultrasound or MRI. This information can be helpful in diagnosing conditions such as ovarian cysts or tumors, which can sometimes cause pain or other symptoms. Hence D is correct option.
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Bowl I contains 7 red chips and 3 blue. Five of these 10 chips are selected simultaneously at random and put in bowl II, which was originally empty. One chip is then drawn at random from bowl II. Given that that chip is blue, find the probabilities of all possible combinations in bowl II. Which is more likely was there
Given that a blue chip is drawn from Bowl II, we can see that the most likely combination in Bowl II is having 1 or 2 blue chips, both with a probability of approximately 0.0119. The least likely combination is having 3 blue chips, with a probability of approximately 0.00397.
To determine the probabilities of all possible combinations in bowl II and assess which combination is more likely given that a blue chip is drawn from it, let's go through the calculation step by step:
Step 1: Calculate the number of ways to choose 5 chips from the 10 in Bowl I.
The number of combinations, denoted as C(n, k), where n is the total number of chips and k is the number of chips chosen, can be calculated using the binomial coefficient formula. In this case, we want to choose 5 chips from 10:
C(10, 5) = 10! / (5! * (10-5)!) = 252
Step 2: Determine the number of ways to have each possible combination in Bowl II.
Since we know that all five selected chips from Bowl I are transferred to Bowl II, the number of ways to have each combination in Bowl II will be the same as the number of ways to choose those chips from Bowl I.
Let's consider the number of blue chips in each possible combination transferred to Bowl II:
- 0 blue chips in Bowl II: There are no blue chips to transfer, so this combination is not possible.
- 1 blue chip in Bowl II: There are three blue chips in Bowl I. Therefore, the number of combinations with 1 blue chip in Bowl II is C(3, 1) = 3.
- 2 blue chips in Bowl II: There are three blue chips in Bowl I, and we need to choose 2 of them. The number of combinations is C(3, 2) = 3.
- 3 blue chips in Bowl II: There are three blue chips in Bowl I, and we need to choose 3 of them. The number of combinations is C(3, 3) = 1.
Step 3: Calculate the probabilities of each combination in Bowl II.
To determine the probability of each combination, we need to divide the number of ways each combination can occur by the total number of combinations (252).
- 0 blue chips: Not possible, so the probability is 0.
- 1 blue chip: 3 combinations / 252 total combinations = 1/84 ≈ 0.0119
- 2 blue chips: 3 combinations / 252 total combinations = 1/84 ≈ 0.0119
- 3 blue chips: 1 combination / 252 total combinations = 1/252 ≈ 0.00397
Please note that these calculations assume that the chips are selected randomly and without replacement.
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What age do Moro and grasp reflexes stop
Moro reflex stops after 2 months while Palmar Grasp reflex stops after 5-6 months and Plantar Grasp stops after 9-12 months.
Numerous reflexes are visible during birth, including the Moro reflex. After three to four months, it usually disappears. When a baby is shocked or feels like they are falling, a reflex known as the Moro reflex occurs naturally.
The neurological examination of newborns includes a standard check for the Palmar grasp reflex. It can help in the diagnosis of some illnesses, such as cerebral palsy or peripheral nerve damage, even if its only phylogenetic role is involved.
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Describe environmental variation in intertidal zones.
the intertidal zone is such an extermely variable environment because it environment experience very high change in elements of the environment it is also called littoral zone it also have rock and Sandy Beaches
A physical process associated with drug use whereby a person craves a drug; failure to take the drug can result in withdrawal symptoms.
Addiction a physical process associated with drug use whereby a person craves a drug; failure to take the drug can result in withdrawal symptoms.
The withdrawal syndrome, commonly referred to as the discontinuation syndrome, affects people who have become physiologically dependent on a substance and stop using it completely or only occasionally. Drug use is one of the behaviors connected to addiction, a neuropsychological condition characterized by a strong urge that endures despite severe harm and other side consequences. It's possible, although not always, for drug use to increase appetite and lower self-control through changing the chemistry of the brain over time. It is now understood that addiction is a brain condition with a variety of psychosocial and neurobiological elements involved in its formation. Drugs alter how the brain functions, which is why.
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The actual question is:
Fill in the blanks,
_________________ is a physical process associated with drug use whereby a person craves a drug; failure to take the drug can result in withdrawal symptoms.
Human beings use _____ to represent and communicate thoughts, feelings, and knowledge.
Human beings use Language to represent and communicate thoughts, feelings, and knowledge.
Language is the primary tool that people use to represent and communicate thoughts, feelings, and knowledge. Through language, humans can express an endless array of ideas and feelings, both subtle and overt, as well as impart information and knowledge to others in a manner that is intricate and nuanced.
Language is a complex system containing facial expressions, hand gestures, body language, intonation, and a wide variety of written and spoken words in various languages, all of which come together to paint a detailed picture of humanity’s ideas and experiences. It is the basis of critical thinking, education, and communication.
Humans have engaged with language for thousands of years, as evidenced by the earliest written records, but it is impossible to pinpoint when language was first developed.
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Please help me i would appreciate it a lot
Answer:
c
Explanation:
These thyroid hormones stimulate all the cells in the body and control biological processes such as growth, reproduction, development, and metabolism.
kin 110 vitamins are _________ and are important for energy production and catalyzing metabolic reaction.
Kin 110 vitamins are essential micronutrients that play a vital role in energy production and catalyzing metabolic reactions.
Kin 110 vitamins, also known as KIN vitamins, refer to a group of essential micronutrients that are necessary for maintaining overall health and well-being. These vitamins are classified as water-soluble vitamins, including vitamin B complex and vitamin C. The main answer highlights that KIN 110 vitamins are important for energy production and catalyzing metabolic reactions, emphasizing their significance in the body's physiological processes.KIN 110 vitamins are crucial for energy production as they serve as coenzymes or co-factors in the metabolic pathways that convert carbohydrates, fats, and proteins into usable energy. Specifically, the B vitamins, such as thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), biotin (B7), folate (B9), and cobalamin (B12), are involved in various enzymatic reactions that facilitate energy production. These vitamins participate in the breakdown of macronutrients and the synthesis of adenosine triphosphate (ATP), the body's primary energy currency.
Furthermore, KIN 110 vitamins also act as coenzymes in catalyzing metabolic reactions. Enzymes are proteins that facilitate biochemical reactions in the body. KIN 110 vitamins encompass a range of water-soluble vitamins, including the B vitamins (B1, B2, B3, B5, B6, B7, B9, and B12) and vitamin C. These vitamins are essential for energy metabolism and serve as coenzymes or co-factors in numerous enzymatic reactions. They play a crucial role in converting macronutrients into energy and facilitating various metabolic processes in the body.
In conclusion, KIN 110 vitamins are indispensable for energy production and catalyzing metabolic reactions in the body. Their role as coenzymes in various enzymatic processes ensures the efficient utilization of nutrients and the maintenance of overall health and vitality.
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paleolithic peoples used swan bones for what creative purpose?
A. Clothing ornaments
B. Body piercings
C. Paint brushes
D. Flutes
Paleolithic peoples used swan bones for Flutes creative purpose
Paleolithic peoples used swan bones to create flutes. The oldest known flute, made from the bone of a vulture, is over 43,000 years old and was discovered in Hohle Fels cave in Germany.
Flutes were likely used for musical performances and religious rituals. Other bone flutes have been found throughout Europe and Asia, indicating that music was an important part of Paleolithic culture.
The use of bone for musical instruments also suggests the creativity and resourcefulness of these early humans, who were able to repurpose animal remains for artistic expression.
The discovery of these flutes offers insights into the cognitive and social capabilities of Paleolithic peoples, and sheds light on the evolution of human culture and creativity.
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Two parents have a child that is O. The father is type AB and the mother is type B. Should the father be upset? Why or why not? Please show your work. Prunett square form
Due to receiving two O alleles – one from each parent – the baby has blood type O.
The father has one A allele and one B allele, making him type AB. The mother has two B alleles and one is type B. There is a 50% chance that the father will pass on the A allele, and a 50% chance that the woman will pass on the B allele when they have a child. However, in this example the child's blood type is O because they have two O alleles, one from each father.
Father's genotype: AB
Mother's genotype: B
| A | B |
B | AB | BB |
B | AB | BB |
The Punnett square indicates that the genotype of the child can be AB and BB. However, the child's blood type is O, indicating that both of the child's parents contributed the O allele. This indicates that the child did not inherit the A or B allele.
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The endocrine glands in Figure 2 and their corresponding hormones are:
Pituitary gland: ACTH, LH, FSH, Prolactin, Growth hormone, TSH, ADH, OxytocinPineal gland: MelatoninAdrenal gland: Cortisol, Aldosterone, EpinephrineOvary: Estrogen, ProgesteroneTestis: TestosteroneThyroid gland: Thyroid hormoneParathyroid gland: Parathyroid hormoneWhat are endocrine glands?Endocrine glands are a type of gland that secretes hormones directly into the bloodstream to regulate various bodily functions. These glands are responsible for producing and releasing hormones that regulate growth and development, metabolism, sexual function, and other important physiological processes.
The endocrine system is made up of several glands, including the pituitary gland, thyroid gland, adrenal glands, pancreas, and gonads (ovaries or testes), among others. Each gland produces a specific set of hormones that are transported by the bloodstream to target organs and tissues throughout the body.
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Many interactions occur among systems, such as the atmosphere, biosphere, hydrosphere, and geosphere. Of the systems mentioned, which scenario describes an interaction between two different “spheres”?
A. runoff from farming areas into local streams
B. an Arctic hare eating woody plants in Alaska
C. an erupting volcano releasing water vapor into the air
D. magma cooling and solidifying before it reaches Earth’s surface
Answer:
C. an erupting volcano releasing water vapor into the air
Explanation:
Hope this helps :)
i am colorblind someone please help me with this :,)
Answer:
oh no i'm sorry, here
Explanation:
the first pic is yellow so that would be right around 0.25 but a tad bit lighter
the next one is 0.50 so a greenish
and the last one is 2.0 (darkish green) from what i can see
im sorry if this isn't the most accurate because its only pics
The mouth is the first site of a process known as chemical digestion in humans.Your saliva starts the process of chemically breaking down the food you eat. Keeping this in mind,What type of organelle do believe would be numerous inside the cells of your mouth? What chemical characteristics would this organelle need to have in order to efficiently do this process?
The organelle that would be numerous inside the cells of the mouth would be the lysosome. Lysosomes are membrane-bound organelles that contain digestive enzymes, which break down macromolecules such as proteins, carbohydrates, and lipids. In the case of the mouth, the lysosomes would help to break down the food particles that are taken in during eating.
For efficient chemical digestion, the lysosome would need to have several key characteristics.
First, it would need to have a low pH (around 5), which would activate the digestive enzymes inside the lysosome.
Second, it would need to have a robust membrane that can withstand the harsh conditions inside the lysosome, such as the low pH and the presence of digestive enzymes.
Finally, it would need to have a variety of different digestive enzymes that can break down different types of macromolecules.
Overall, the lysosome is a critical organelle for efficient chemical digestion in the mouth and throughout the digestive system.
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Plants that are adapted to live on land ( botanical term)
Answer:
"Embryophytes " is the perfect solution.
Explanation:
Each of some kind of plant sub-system that maintains the embryo inside the maternal tissues, including the tracheophytes as well as bryophytes.The other most common species of organisms or plants seem to be the surface plants including embryophytes, furthermore precisely Embryophyta or Metaphyta. They are considered as 'land plants' but even though, in comparison to the connected green algae, those who continue living primarily throughout terrestrial environments, mainly aquatic ones.♡ Observations... ! I NOTICE... ? I wonder... Think = Reminds me of...
Answer:
???? whats this and where is the image
1 Identify the tonicity of each cell.
2 Identify where the concentration is highest in each cell
3 Tell the rate of movement in each cell
4 Explain the factors that could be causing the changes in tonicity.
Please Help ASAP,
1) The first cell is in a hypertonic solution, the second cell is in isotonic solution while the third cell is in hypertonic solution.
2) The concentration is highest in the first cell.
3) There is movement of water out from the first cell, there is no net movement of water in the second cell and there is movement of water into the third cell.
4) Increase in solute concentration.
What is cell tonicity?Cell tonicity is defined as the effects of extracellular solution on the osmotic gradients that us formed against cells that are associated with them.
There are different types of cell tonicity which include the following:
Hypertonic solution: This is the solution that contains more solutes than the solvent of the solution leading to the movement of water from the cell to the outside extracellular solution. It causes shrinking of the cell.Isotonic solution: The net solute concentration of the extracellular solution is the same with the cells.Hypotonic solution: This is the solution that contains less solutes than the solvent of the solution leading to the movement of water from the extracellular solution into the cell. It causes swelling the cell.Learn more about cell here:
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Human Anatomy and Physiology.
_________________________ - one layer with cells in different shapes and sizes.
1) What important tissue in the body helps create “order”?
What are the two types of this tissue?
Organ one layer with cells in different shapes and sizes. Organ is the important tissue in the body helps create “order”.
What is organ?An organ is made up of two or more tissue to perform one or more specific physiological functions. Organs can be made up of four type of tissue nervous, epithelium, muscular and connective tissue.
Most of the organ contains all four tissue for example small intestine. Internal wall of small intestine is made up of epithelium tissue which is surrounded by smooth muscles and connective tissue containing neurons.
Therefore, Organ one layer with cells in different shapes and sizes. Organ is the important tissue in the body helps create “order”.
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In what layer of the atmosphere is weather occuring and the layer where we live?
Answer:
Atmosphere takes place in the stratosphere and we live in troposphere