Mycobacteria have a large amount of a component in their cell wall that other bacteria lack and this component is lipids.
What are Mycobacteria?Mycobacteria are a special class of bacteria belonging to the family Mycobacteriaceae (Actinomycetota).
These bacteria (Mycobacteria) are characterized to be a cell wall composed of mycolyl-arabinogalactan-peptidoglycans.
In conclusion, Mycobacteria have a large amount of a component in their cell wall that other bacteria lack and this component is lipids.
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Which is true about the elongation of the leading strand during DNA synthesis?
The elongation of the leading strand during DNA synthesis depends on DNA polymerase: option A.
What is DNA synthesis?DNA synthesis is the process by which new DNA is made from template DNA.
During DNA synthesis, the enzyme DNA polymerase adds new nucleotides to the leading DNA strand from the 3" end.
Note that the complete question is as follows:
Which is true about the elongation of the leading strand during DNA synthesis?
a. it depends on the dna polymerase actionb. it produces rna fragmentsc. it does not require a template strandIn conclusion, the elongation of the leading strand during DNA synthesis involves attachment of nucleotides at the 3" end.
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State the shortest number of days it takes an Earth observer to see the same phase of the Moon twice.
Answer:29.5 days
Explanation:
It takes 29.5 days for observers from earth to look at the moon phase twice.
What are the phases of the moon?The fact that the moon orbits the earth every 27.3 days and the phases cycle once every 29.5 days might be perplexing. The rotation of the Earth around the Sun is to blame for this.
Our Moon completes one full orbit of the Earth in 27 days, 7 hours, and 43 minutes. The distance between our Moon and far-off "fixed" stars serves as the basis for measuring what is known as the sidereal month.
However, one cycle of phases on our Moon lasts for around 29.5 days (from the new Moon to the new Moon).
Therefore earth observer takes 29.5 days to see the same phase twice of the moon.
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Like the right atrium, the left atrium also has ______ in its auricle
Like the right atrium, the left atrium also has valve in its auricle.
What is heart?The heart is defined as the major organ of the cardiovascular system which is used by the body to pump blood through out the cardiovascular system.
The heart is made up of the following:
Left atrium,Left atrium,Right ventricle andRight ventricle.Both the left and right atrium are separated from the ventricle by the valves which helps to prevent the back flow of blood.
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The most abundant component of plasma is?
water? not sure buddy
The cafeteria served green beans for lunch starting at 11 a.m. By 1 p.m., the remaining green beans have become overcooked and mushy. What pigment is found in the green beans at 1 p.m.
Answer:
chlorophyllin
Explanation:
The green pigment found in green beans is known as chlorophyll. This green pigment turns to bright green in alkaline environments and is known as chlorophyllin
During the fourth generation, 27% of the dark moths were captured from clean forest B. What percentage of moths were recaptured from polluted forest A during the fourth generation
The percentage of moths that were recaptured from the polluted forest during the fourth generation is C. 140%.
The given image below shows the graph of the dark moths and the different generations
This also contains the percentages that were captured from clean forests and the ones captured from polluted forests.
What is a Graph?This refers to the depiction of different variables on the x and y-axis and the different relationships that exists between them.
Therefore, the percentage of moths that were recaptured from the polluted forest during the fourth generation is C. 140%.
This is because based on the graph data, 27% of the dark moths were captured from clean forest and in the polluted forest, that number rise to 140%
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The complete question is:
During the fourth generation, 27% of the dark moths were captured from clean forest B. What percentage of moths were recaptured from polluted forest A during the fourth generation?
A. 73%
B. 40%
C. 140%
D. 71%
During glacial maxima, australia, new guinea, and tasmania were a single land mass called?
During glacial maxima, Australia, new guinea, and Tasmania were a single land mass called Sahul.
The single Pleistocene continent known as Sahul united Australia with New Guinea and Tasmania. Rising sea levels gave rise to the distinct landmasses that we can now recognize, even though the sea level at the time was up to 150 meters (490 feet) lower than it is now.Australia, New Guinea, Tasmania, and Seram were all parts of the ancient continent Sahul.Since the Last Glacial Maximum, sea levels have risen. Around 18,000 years ago, Sahul began to be partially submerged. Sea levels kept rising until roughly 5000 BCE.After leaving Africa, early human migrations began in Sahul and Sunda. According to recent study, hundreds of individuals traveled in groups on bamboo rafts and eventually settled on Sahul.
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Wu, S. F. et al. Hydroxychloroquine inhibits CD154 expression in CD4( ) T lymphocytes of systemic lupus erythematosus through NFAT, but not STAT5, signaling. Arthritis Res. Ther.19, 183 (2017)
The given statement that Hydroxychloroquine inhibits CD154 expression in CD4( ) T lymphocytes of systemic lupus erythematosus through NFAT, but not STAT5, signaling holds true.
What is the role of HCQ in the treatment of SLE?Overexpression of membranous CD154 in T lymphocytes has been found previously in systemic lupus erythematosus (SLE). Because hydroxychloroquine (HCQ) has been used frequently in the treatment of lupus, we sought to identify the effects of HCQ on CD154 and a possibly regulatory mechanism.
HCQ treatment had significant dose-dependent suppressive effects on membranous CD154 expression in ionomycin-activated T cells from lupus patients. Furthermore, HCQ inhibited intracellular sustained calcium storage release, and attenuated the nuclear translocation of NFATc2 and the expression of NFATc1. However, CD154 expressed through IL-15-mediated STAT5 signaling was not inhibited by HCQ treatment.
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What is the part of the nervous system that receives information about what is happening within the body and in the outside environment
The peripheral nervous system receives information from the environment and relays commands from the central nervous system to organs and glands.
What is the peripheral nervous system?The nerves that emerge from the brain and spinal cord make up the peripheral nervous system. The CNS and the body components are connected through a network of nerves. The somatic nervous system and the autonomic nervous system are additional divisions of the peripheral nervous system.
The somatic nervous system and the autonomic nervous system are two subsystems of the peripheral nervous system. With the exception of the optic nerve (cranial nerve II) and the retina, the cranial nerves make up the PNS in the somatic nervous system. The second cranial nerve is a tract of the diencephalon and not a real peripheral nerve. The CNS is where the cranial nerve ganglia were born. The PNS, however, is thought to include the ten remaining cranial nerve axons because they travel outside of the brain. Smooth muscle and glands are subject to involuntary control by the autonomic nervous system. The sympathetic and parasympathetic states of the system are made possible by the relationship between the central nervous system and the organs.
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The embryonic period begins with ____ and lasts until the _____ week
The stage runs from the 5th through the 10th week of pregnancy
The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.
What is Embryonic period ?Approximately four weeks after conception, the neural tube forms. This tube will later develop into the central nervous system including the spinal cord and brain.
The neural tube begins to form along with an area known as the neural plate.Each layer gives rise to specific tissues and organs in the developing embryo thus, the correct sequence is: Zygote --> Morula --> Blastula --> Gastrula --> Embryo.Learn more about Embryonic period here:
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Part of the brain oversees the postural muscles and control balance and equilibrium?
In brain, cerebellum controls the postural muscles and balance the equilibrium. By operating on the cerebral cortex via the thalamocortical projection and on the brainstem, the cerebellum regulates the cognitive and automatic processes of posture-gait regulation.
Both real-time sensory feedback via the spinocerebellar tract to the cerebellum and feedforward information from the cerebral cortex via the cortico-ponto-cerebellar pathway may play significant roles in these processes.
The cerebellum's ability to govern posture is mostly dependent on sensory afferents. Along with the vestibular nuclei, the floccules and vermis of the cerebellum also receive signals from the labyrinth via the vestibular nerve. Spinocerebellar pathways convey peripheral sensory data and a copy of the spinal cord's output to the fastigial nuclei (FN).
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Damage to the prefrontal cortex is most likely to result in?
Answer:
Diminish planning abilities
To absorb large particles, cells engulf them within their plasma membrane in a process called?
Answer: endocytosis
Explanation:
This forms a vacuole out of its membrane looking almost like a bubble that encloses the large particles.
what do you think is the greatest challenge to survival faced by both plants and anivlams that live in the desert
Getting and keeping enough water in their bodies
Water loss is the greatest challenge to organisms that live in a desert biome
What do you think is the greatest challenge to survival faced by both plants and anivlams that live in the desert ?They face scorching hot air and ground temperatures during the summer season, and unpredictable and limited water even during the rainier seasons.
In order for plants to survive in the desert, they have adaptations that allow them to collect and store water and moisture and, prevent moisture lossAnimals survive in deserts by living underground or resting in burrows during the heat of the day.Learn more about Dersert plants and animals here:
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a short sequence of DNA is replicated using a mixture of dideoxynucleotide triphosphates, which lack a hydroxyl group at the 3' location. The new strands are separated from the old DNA
Sanger sequencing mimics the natural process of DNA replication by using dummy nucleotides to stop replication whenever a specific nucleotide is encountered. Because this truncated replication happens repeatedly, nucleic acids of various lengths accumulate and can be used to determine the position of each nucleotide in the sequence
ddNTPs are included (dideoxynucleoted)
A representation of 16 nucleotides arranged in a single horizontal strand of DNA is shown. Horizontal cylinders represent the deoxyribose sugar molecule and vertical rectangles represent the nitrogenous base in each nucleotide. The deoxyribose sugar and nitrogenous base of a single DNA strand are shown in grey. Below the single strand are four DDNTPs and four individual nucleotides. Sugar molecules are black in the bottom four DDNTPs in the bottom four individual nucleotides. To represent the bases' chemical identities, the nitrogenous bases on the DDNTPs and the lower four nucleotides are colored differently: DDATP is green, DDCTP is orange, DDTTP is red, and DDGTP is blue. Thymine is blue, cytosine is orange, and adenine is green.
DNA sequence :
DNA sequencing is the process of determining the order of the nucleotides within a gene. The first DNA sequencing methods were time-consuming, but a major breakthrough came in 1975 with the development of the Sanger sequencing method. Sanger sequencing is named after the English biochemist Frederick Sanger, and it is also known as chain-termination sequencing or dideoxy sequence. The Sanger method was used to sequence the human genome some 25 years after its invention, and it remains an important method in laboratories around the world today, despite many technological advances and modifications.
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Describe the horizontal and vertical air motions in a high-pressure anticyclone and in a low-pressure cyclone.
Winds near the surface move across the isobars at an angle when the frictional force, pressure gradient force, and apparent Coriolis force are combined.
What is the motion of horizontal and vertical air in a high-pressure anticyclone and in a low-pressure cyclone?Winds near the surface move across the isobars at an angle when the frictional force is combined with the pressure gradient force and the apparent force of the Coriolis effect. Consequently, the air spirals and converges as it advances in the direction of low pressure. A cyclone sometimes referred to as a low-pressure system, is created by this spiraling inward toward a center of low pressure. Convergence is the technical term for this inward spiraling action, which likewise raises the air at the center.
Air spirals downward and outward from an anticyclone, also known as a high-pressure system, in a high-pressure area. Divergence is the name for this spiraling outward motion. Cyclones rotate anticlockwise in the northern hemisphere and clockwise in the southern hemisphere.
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what are biomolecules ?
Answer:
Biomolecules are an organic molecule that includes carbohydrates, protein, lipids, and nucleic acids.
Explanation:
They are important for the survival of living cells. Some of valuable biomolecules have huge demand, which cannot be fulfilled from their renewable resources.
what is the difference between artificial kidneys and natural kidneys
[tex]\huge\underline{\red{A}\green{n}\blue{s}\purple{w}\pink{e}\orange{r} →}[/tex]
The natural kidney continuously receives the blood and water, filter them and keep the body away from toxic wastes by the process of excretion. The artificial kidney is the device used in kidney damage persons only from time to time, under supervision of a specialist doctor.Explanation:
Hope it helps you!!!! What is labeled "A" on the chart?
Answer:
can you put the chart
Explanation:
not enough information
If an organism with the genotype aabb produces gametes, what proportion of the gametes would be bb?
Assuming independent genes and normal meiotic events, the gametes of an individual with genotype aabb are ab, ab, ab, ab. There are no bb gametes. The answer is NONE.
What is a gamete?
A gamete is a haploid cell that results from the meiotic division of germ cells during gametogenesis.
These haploid cells have half the number of chromosomes of somatic and germ cells, and their destiny is to merge with another gamete to produce a new diploid cell.
During gamete formation, homologous chromosomes separate after crossing over, and finally, sister chromatids separate too, resulting in four haploid cells, each of them with a different allele combination.
When genes are in different chromosomes or far from each other in the same chromosome, they express independent assortment during meiosis. These genes are independent.
Independent assortment means that during a meiotic event, alleles from two or more different genes distribute in gametes independently from each other.
Each gamete receives an allele of a gene that does not depend on nor influence the allele of another gene in the same gamete.
In the exposed example, the homozygous recessive genotype is composed of two diallelic genes ⇒ aabb
Genotype: aabbAllele combination ⇒ Gametes ⇒ ab, ab, ab, ab
Assuming independent genes, unless there is some sort of problem during meiosis, there are no gametes bb, because gametes result from the combination of both genes.
The answer is NONE. There are no gametes bb.
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PLSS PLSS PLSSS HELP
You are an anthropologist analyzing bone remains from the grave of an ancient female human. Within one of the bones, you find an unusually high concentration of collagen. What does this suggest about the ancient female? (2 points)
She broke a bone and then died before it was fully healed.
She broke a bone and then died a few hours later.
She broke a bone at a very young age, but it fully healed.
She broke a bone at a very young age, but it did not fully heal.
The presence of the large amount of collagen shows that she died before the broken bone could heal. Option A
What is the function of collagen?Collagen is a protein that is secreted by the body to aid in the strengthening of the bones. As a result of this, it production wanes as the bones weaken with age.
Thus, having said that the concentration of collagen around the broken bone of the woman was high, it the follows that she broke a bone and then died before it was fully healed. Option A
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_______________ a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.
The endoplasmic reticulum is a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.
The endoplasmic reticulum (ER) assumes a vital part in the modification of proteins and the synthesis of lipids. It comprises an organization of membranous tubules and flattened sacs. The circles and tubules of the ER are empty and hollow, and the space inside is known as the lumen.
The rough endoplasmic reticulum gets its name from the ribosomes connected to its cytoplasmic surface. As these ribosomes make proteins, they feed the recently shaping protein chains into the lumen. Some are moved completely into the ER and float inside, while others are secured in the film.
The smooth endoplasmic reticulum (smooth ER) is consistent with the rough ER yet has no ribosomes on its cytoplasmic surface. The functioning of the smooth ER includes the Synthesis of starches, lipids, and steroid chemicals, detoxification of drugs and toxic substances, and storage of calcium particles.
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What is the primary molecule that makes up cell membranes?
Answer:
Phospolipids are the primaey molecules that makes up cell membranes.
Which condition is characterized by a blowing or clicking sound?
The condition that is characterized by a blowing or clicking sound is heart murmur.
What is heart murmur?Heart murmur is defined as the abnormal sound made by the heart when blood flows through the heart abnormally.
The clinical features of heart murmur include:
Chest pain.Cough that doesn't go away.Dizziness.Swollen liver.The characteristics of heart murmur is that it has a blowing and clicking sound.
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Which of the following is a true statement regarding the trachealis muscle: Group of answer choices lined with pseudostratified columnar epithelium located on the anterior portion of the trachea consists of skeletal muscle consists of smooth muscle
The trachealis muscle consists of smooth muscle.
Trachealis Muscle
The trachealis muscle is a band of smooth muscles seen in the fibroelastic membrane of the trachea. They are seen extending between the end of the tracheal rings. Their contraction often reduces the size of the lumen. This can force the air out of the trachea and this can be seen during coughing. They often become less elastic as the person becomes old.
The trachealis muscles are located towards the anterior portion of the trachea and anterior to the esophagus. The C-shaped rings of the cartilage in the trachea are completed with the help of the trachealis muscle. They bridge the gap seen in the C-shaped cartilage rings and also provide support to the cartilage seen inside the trachea.
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What type of trait in mendel's studies could vanish in one generation and reappear in the next generation?
Recessive traits often seem to disappear because two recessive alleles are needed to produce the recessive phenotype. They can skip a generation and then reappear if an individual inherits two copies of the recessive gene. Mendel's experiments revealed that phenotypes could be hidden in one generation, only to reemerge in subsequent generations.
Recessive traits disappear because recessive alleles can hide out in heterozygotes, allowing them to persist in gene pools and natural selection can only see the phenotype, not the genotype. While harmful recessive alleles will be selected against and it's almost impossible for recessive alleles to completely disappear from a gene pool.
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Based on the predictions of metapopulation biology, which scenario can be expected to exhibit the largest fraction of occupied habitat patches?
Meta-population is the patchiness of population in space and its role is dynamic, population insatiability, coexistence of species , the maintenance of diversity.
Metapopulation is colonization and extinction dynamics. The variable of prime concern is the proportion.As the population largest approaches the environment carrying resources become more scare and growth rate slows.
The maxima carrying number of species in environment can support indefinitely .A group of spatially separated population of similar organism which interact at some levels.It s population in which multiple populations as butterflies and cool reef fishes.Humans are evolved from multiple interconnected spread out across Africa in large meta-population.
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Explain various type of work.
Work: According to physics, work is defined as when a force acting on a body causes it to move a given distance. Work is a scalar number because it is the dot or scalar product of two vectors (force and displacement).
Types of work
1. Reactionary Work
In the present day, Reactionary Work takes up the majority of our waking hours since we are solely concerned with reacting to messages and demands that come in the form of emails, texts, F4cebook messages, tweets, voicemails, and the list goes on. Instead of taking the initiative in the areas that mean the most to you, you are continuously responding to what is presented to you. You cannot let Reactionary Work overwhelm you, even though it is vital.
2. Planning Work
You must plan how you will accomplish your tasks at other times. Planning work covers the time spent, arranging and prioritizing your time, creating meeting management systems, and perfecting working management systems. Planning involves determining how to spend your energy and creating a strategy for accomplishing your goals. The most engaging processes are highly customized, oftentimes on the verge of becoming neurotic, yet they keep us interested. Planning work may not seem alluring, yet it may increase your productivity and help you achieve your objectives.
3. Procedural Work
Of course, there are a lot of daily actions we take that are neither tactical nor retaliatory. The administrative and maintenance tasks that we perform to stay afloat are referred to as procedural work. Examples include making sure that the bills are paid, filing taxes, updating a presentation deck, and tracking previous outgoing emails to ensure that they were handled or resolved. Although procedural work is crucial, we must always keep an open mind when approaching it. When procedures become outdated and are followed simply out of habit rather than need, they backfire.
4. Insecurity Work
Insecurity Work includes the activities we engage in as a result of our own fears, such as frequently checking internet reviews of you or your goods or compulsively studying certain company statistics. While quickly convincing us that everything is OK, insecurity work doesn't advance the situation at all, and we frequently aren't even aware that we're engaging in it.
5. Problem-Solving Work
The most crucial time for creativity is during problem-solving tasks. Whether we are building a new interface, creating a new business strategy, crafting an insightful blog post, or outlining the features of a new product, this is the task that demands all of our mental capacity and attention. You use pure ingenuity to develop solutions whether you're working alone or with a team.
The most engaging processes are highly customized, oftentimes on the verge of becoming neurotic, yet they keep us interested.
1. Following a bicycle accident, you are disturbed to fi nd that you cannot see anything in your left visual fi eld. Where has the retinofugal pathway been damaged
The place where the Retinofugal pathway has been damaged is the Lateral Geniculate Nucleus.
What is Lateral Geniculate Nucleus?
The lateral geniculate nucleus is a structure present in the Thalamus of the brain. It connects the visual pathway with the primary visual cortex of the brain.
Any damage to the lateral geniculate nucleus leads to partial or complete loss of vision.
Also, the visual pathway can be affected at various levels thus presenting various types of visual losses.
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During the alarm stage of the body’s stress response, what emergency hormone is released to prepare the body to respond to a stressor?.
Answer:
Adrenaline
Explanation:
Adrenaline is a hormone that prepares the body for "fight or flight"