Answers
Follow me for more
Related Questions
What is the important organelle that eukaryotic cells have and prokayotic cells don't have?
Answers
which two statements correctly relate RNA amino acids , and proteins
Answers
The two correct statements that relate RNA, amino acids, and proteins are C and D.
RNA, Amino acids, and ProteinsRNA is used to build the amino acid sequence: RNA molecules, specifically messenger RNA (mRNA), serve as templates for protein synthesis. During a process called translation, the sequence of nucleotides in mRNA is read by ribosomes, and the corresponding amino acids are assembled in a specific order to form a protein.
Long amino acid sequences fold in a specific way to form proteins: Proteins are composed of long chains of amino acids. After the amino acids are synthesized and linked together, the resulting chain folds into a three-dimensional structure, which is critical for the protein's function. This folding process is driven by various interactions between the amino acid residues in the chain, allowing the protein to adopt its specific shape and perform its specific function.
More on gene expression can be found here: https://brainly.com/question/10572806
#SPJ1
Which of these is a drawback of oil extraction from tar sands?
Answers
When compared to producing the same amount of conventional crude, tar sands extraction emits up to three times higher greenhouse gas emissions.
Which dangers are associated with the mining of tar sands?Additionally, it pollutes freshwater supplies, depletes them, and turns ponds of hazardous waste into vast bodies of water. Piles of petroleum coke, a dangerous byproduct of refining the sticky, black liquid, are created. In actuality, tar sands oil is among the most harmful, carbon-intensive, and poisonous fuels on the planet. When compared to normal crude oil, it produces three times as much greenhouse gas emissions.It releases greenhouse gases that are extremely detrimental to our environment throughout the extraction process.For more information on oil extraction kindly visit to
https://brainly.com/question/14284285
#SPJ1
Which two factors have the greatest influence on creating increased genetic variation within a species?
A)Crossing-over, which takes place during prophase 1 of meiosis 1.
b)When the chromatids separate in metaphase 2 in meiosis 2.
c)Independent assortment of chromosomes that occurs during anaphase 2 of meiosis 2.
d)When the chromosomes separate in metaphase 1 of meiosis 1.
Answers
Answer:
A and C.
The two factors that have the greatest influence on creating increased genetic variation within a species are:
A) Crossing-over, which takes place during prophase 1 of meiosis 1. This is the process by which homologous chromosomes exchange genetic material, resulting in new combinations of alleles on the chromosomes.
C) Independent assortment of chromosomes that occurs during anaphase 1 of meiosis 1. This is the process by which homologous chromosomes randomly line up and separate from each other, resulting in different combinations of maternal and paternal chromosomes in the resulting haploid cells.
Therefore, options A and C are the correct answers. Option B refers to the separation of sister chromatids during meiosis 2, which does not create new combinations of alleles. Option D refers to the separation of homologous chromosomes during meiosis 1, which does contribute to genetic variation but not to the same extent as crossing-over and independent assortment.
#SPJ1
the life process of reproduction refers to what
Answers
Answer:
the formation of new cells for the replacement and repair of old cells as well as for growth.
Explanation:
Many bacterial species live in the human gut without causing disease assisting in digestion and other functions how could these bacteria be categorized
A. These bacteria are symbionts
B. These bacteria are pathogens
C. These bacteria are parasites
D. These bacteria are vectors
Answers
Answer:
I think the answer is A
I could be wrong
the esophagus connects the
Answers
Answer:
The esophagus connects the throat with the stomach, and is used to carry food and liquid from your mouth down to the Gastric.
~
Hope this helps
Have a great day/night
Proteins are made up of ________ linked together by ________ bonds.
Answers
Answer:
Explanation:
Proteins are made up of hundreds or thousands of smaller units called amino acids,Within a protein, multiple amino acids are linked together by peptide bonds
please help me
I need the whole packet
Answers
4. Thymine. , 5. Adenine. , 6. Guanine. , 7. Cytosine. , 8. DNA double strand. ,9. Single strand.
What is the structural backbone of DNA molecule?The structural backbone of a DNA molecule consists of alternating sugar (deoxyribose) and phosphate molecules. These sugar and phosphate molecules are joined together by covalent bonds known as phosphodiester bonds. The sugar and phosphate molecules are arranged in a repeating pattern with the sugar molecule of one nucleotide bonding to the phosphate molecule of the adjacent nucleotide, forming a long, continuous chain. The nitrogenous bases (adenine, guanine, cytosine, and thymine) are attached to the sugar molecules, projecting inward from the backbone. This double-stranded helical structure of DNA is stabilized by hydrogen bonding between the nitrogenous bases, with adenine pairing with thymine and guanine pairing with cytosine. This hydrogen bonding between the complementary base pairs allows DNA to replicate and transmit genetic information during cell division.
To know more about hydrogen bonding, visit:
https://brainly.com/question/10904296
#SPJ1
Genetics is the study of genes and their inheritance.
True or False
Answers
Answer: I thinks it’s true.
Explanation:
Answer:
True.
Explanation:
exaplian two situations on a pedigree that would allow you to determine the genotype of an induvudal with the dominant phenotype
Answers
1. If the individual with the dominant phenotype has an affected parent with a recessive phenotype.
2. If the individual with the dominant phenotype has affected offspring with a recessive phenotype.
In a pedigree, two situations can help determine the genotype of an individual with a dominant phenotype.
1. If an individual with the dominant phenotype has offspring with a recessive phenotype, it indicates that the individual must be heterozygous (carrying one dominant and one recessive allele).
This conclusion is drawn because the recessive phenotype can only be expressed when an individual has two copies of the recessive allele.
2. Another situation is when both parents have the dominant phenotype, but they produce offspring with the recessive phenotype.
This scenario suggests that both parents are heterozygous (carrying one dominant and one recessive allele), and the recessive phenotype appears in their offspring due to the inheritance of two recessive alleles.
By analyzing these patterns in the pedigree, we can make inferences about the genotype of individuals exhibiting dominant phenotypes.
For more such questions on Phenotype:
https://brainly.com/question/22117
#SPJ8
When a cell differentiates, it becomes a stem cell.
Answers
Answer:
Stem cell differentiation involves the changing of a cell to a more specialized cell type, involving
Explanation:
A switch from proliferation to specialization. This involves a succession of alterations in cell morphology, membrane potential, metabolic activity and signal responsiveness.
If you have a volume of 8L and a mass of 16kg, what is the density
Answers
2000kg/m³
2g/cm³
Explanation:8 l = 8 dm³ = 0.008 m³
d = m/V
= 16kg/0.008m³
= 2000kg/m³
= 2g/cm³
How changes in permeability affect diffusion and osmosis Imagine a beaker of water that contains two types of solutes, represented in the following diagrams by the colors red and blue. A barrier divides the beaker in half and consists of a phospholipid bilayer and embedded integral proteins. This barrier mimics For the first 30 minutes, no net changes occur within the beaker. The image that follows is a snapshot of the solute and water particles at exactly 30 minutes. Each colored arrow tracks the movement of a single blue, red, or grey particle over the course of these 30 minutes. Snapshot at 30 Minutes Number of Particles Red: 2 Blue: 4 Water (grey): 100 Number of Particles Red: 4 Blue: 2 Water (grey): 100 Red Concentration: 0.02 0.04: Red Concentration Blue Concentration: 0.04 0.02: Blue Concentration The concentration of a solute is typically given in terms of molarity, or the number of moles of a solute per liter of solvent. In this problem, concentration is represented in terms of the ratio of the number of solute particles to solvent particles. For example, on the left side, there are 2 red solute particles and 100 water particles. Therefore, the concentration is = 0.02 red particles per solvent particle. 2 100 In the following table, determine whether each of the statements correctly describe the events of the first 30 minutes. In the First 30 Minutes True or False A concentration gradient exists for the red solute. Red particles can move freely throughout the beaker. Water can move freely throughout the beaker. At the end of 30 minutes, an electric field is applied to the membrane. The membrane proteins change shape, altering the permeability of the barrier. Over the next 30 minutes, the contents of both sides of the beaker change. Following is a snapshot of the solute and water particles after exactly 60 minutes. Calculate the concentration of the red solute in the right half of the beaker and enter it in the corresponding box (marked with a "?"). Snapshot at 60 Minutes Number of Particles Red: 3 Blue: 3 Water (grey): 100 Number of Particles Red: 3 Blue: 3 Water (grey): 100 Red Concentration: 0.03 с : Red Concentration Blue Concentration: 0.03 0.03: Blue Concentration с In the following table, determine whether each of the statements correctly describe the events between 30 and 60 minutes. Between 30 and 60 Minutes True or False Diffusion of the red solute occurs. A concentration gradient remains the same for the red solute. Water can move freely throughout the beaker. At the end of 60 minutes, ATP is added to both sides of the beaker in equal amounts. Following is a snapshot of the solute and water particles after exactly 90 minutes. Calculate the concentration of the red solute in the right half of the beaker and enter it in the corresponding box (marked with a "?"). Snapshot at 90 Minutes Number of Particles Red: 6 Blue: 3 Water (grey): 150 Number of Particles Red: 0 Blue: 3 Water (grey): 50 Red Concentration: 0.04 с : Red Concentration Blue Concentration: 0.02 0.06: Blue Concentration с In the following table, determine whether each of the statements correctly describe the events between 60 and 90 minutes. Between 60 and 90 Minutes True or False The concentration gradient of the red and blue solute intensifies. Red and blue particles undergo diffusion. Red and blue particles undergo active transport.
Answers
Changes in permeability can affect diffusion and osmosis by altering the ability of solutes and water molecules to cross a barrier, such as a cell membrane.
What happens when the permeability of barrier increases?If the permeability of the barrier increases, more solutes and water molecules will be able to cross the barrier, which can increase the rate of diffusion and osmosis. Conversely, if the permeability of the barrier decreases, fewer solutes and water molecules will be able to cross the barrier, which can decrease the rate of diffusion and osmosis.
Based on the information provided in the problem, the following statements are true for the first 30 minutes:
True: A concentration gradient exists for the red solute. This is because there are more red solute particles on one side of the barrier than on the other side, which creates a concentration gradient that drives diffusion.
False: Red particles cannot move freely throughout the beaker because they are confined to one side of the barrier.
True: Water can move freely throughout the beaker because it is not restricted by the barrier.
False: No electric field is applied to the membrane during the first 30 minutes.
False: The contents of both sides of the beaker do not change during the first 30 minutes.
For the period between 30 and 60 minutes, the following statements are true:
True: Diffusion of the red solute occurs because there is a concentration gradient that drives the movement of solute particles from high to low concentration.
True: The concentration gradient remains the same for the red solute because there are still more red solute particles on one side of the barrier than on the other side.
True: Water can move freely throughout the beaker because it is not restricted by the barrier.
False: ATP is not added to either side of the beaker during this period.
Finally, for the period between 60 and 90 minutes, the following statements are true:
True: The concentration gradient of the red and blue solute intensifies because more solute particles are present on one side of the barrier than on the other side.
True: Red and blue particles undergo diffusion because there is a concentration gradient that drives their movement.
False: Red and blue particles do not undergo active transport because ATP is not added to either side of the beaker.
The concentration of the red solute in the right half of the beaker at 90 minutes is 0, since all of the red solute particles have diffused to the left half of the beaker.
To know more about osmosis, visit:
https://brainly.com/question/1799974
#SPJ1
only animals respond to their environment true or false
Answers
\(\textbf\red{False}\)
\( \\ \\ \)
\(\small\text\green{\underline{All living things responds to their environment.}}\)
fill in the blank. the___covers the two hemispheres and serves as the body's information processing center. please choose the correct answer from the following choices, and then select the submit answer button. answer choices cerebrum cerebral cortex reticular formation cerebellum
Answers
Answer: cerebral cortex
Explanation:
If a skin cell of a dragon has 24 chromosomes, how many chromosomes are in a gamete of the dragon?
Answers
Answer:
meiosis
By the end of meiosis, the resulting reproductive cells, or gametes, each have 23 genetically unique chromosomes. The overall process of meiosis produces four daughter cells from one single parent cel
Explanation:
took test on edge
Tori created the following table to summarize the key features of the three types of magma. What correction needs to be made? Basaltic Rhyolitic Andesitic Silica (SiO2) content 45-55% 55-65% 65-75%
Gas Content Low Intermediate High Explosivity Low Intermediate High Gas Content should be reversed (“High” under Basaltic and “Low” under Andesitic)
Explosivity should be reversed (“High under Basaltic and “Low” under Andesitic)
Basaltic and Andesitic should be switched
Rhyolitic and Andesitic should be switched
Answers
Basalt is a fine-grained, dark-colored igneous rock made primarily of the minerals plagioclase and pyroxene.
What are Basalt?The most prevalent rock on the surface of the Earth is basalt. Specimens range from dark green to brown to black in hue. Basalt is primarily made up of olivine, pyroxene, and plagioclase and is rich in iron and magnesium.
The majority of specimens are glassy, compact, and finely grained. They may also contain olivine, augite, or plagioclase phenocrysts and be porphyritic.
Basalt may have a texture that is coarsely porous due to holes caused by gas bubbles.
Therefore, Basalt is a fine-grained, dark-colored igneous rock made primarily of the minerals plagioclase and pyroxene.
To learn more about Basalt, refer to the link:
https://brainly.com/question/10109049
#SPJ1
Tori created the following table to summarize the key features of the three types of magma, and corrections need to be made as follows: Gas content should be reversed ("high" under basalt and "low" under andesitic).
What is the significance of the magma and gas contents?Different magmas have different gas contents, such as the basaltic magma, which has a high gas content that can result in explosive eruptions, and the andesitic magma, which has a low gas content and is less likely to cause explosive eruptions.
Hence, Tori created the following table to summarize the key features of the three types of magma, and corrections need to be made as follows: Gas content should be reversed ("high" under basalt and "low" under andesitic).
Learn more about the magma and gas contents here.
https://brainly.com/question/29439541
#SPJ1
choose five body systems that are involved in maintaining homeostasis in your body as you answer these assessment questions. Explain how these five body systems work together.
Answers
Answer:
Explanation:
Water Levels
For example, the cardiovascular, urinary, and lymphatic systems all help the body control water balance. The cardiovascular and lymphatic systems transport fluids throughout the body and help sense both solute and water levels and regulate pressure. If the water level gets too high, the urinary system produces more dilute urine (urine with a higher water content) to help eliminate the excess water. If the water level gets too low, more concentrated urine is produced so that water is conserved.
Internal Temperatures
Similarly, the cardiovascular, integumentary (skin and associated structures), respiratory, and muscular systems work together to help the body maintain a stable internal temperature. If body temperature rises, blood vessels in the skin dilate, allowing more blood to flow near the skin’s surface. This allows heat to dissipate through the skin and into the surrounding air. The skin may also produce sweat if the body gets too hot; when the sweat evaporates, it helps to cool the body. Rapid breathing can also help the body eliminate excess heat. Together, these responses to increased body temperature explain why you sweat, pant, and become red in the face when you exercise hard. (Heavy breathing during exercise is also one way the body gets more oxygen to your muscles, and gets rid of the extra carbon dioxide produced by the muscles.)
Conversely, if your body is too cold, blood vessels in the skin contract, and blood flow to the extremities (arms and legs) slows. Muscles contract and relax rapidly, which generates heat to keep you warm. The hair on your skin rises, trapping more air, which is a good insulator, near your skin. These responses to decreased body temperature explain why you shiver, get “goose bumps,” and have cold, pale extremities when you are cold.
Homeostasis of Ions
Body functions such as regulation of the heartbeat, contraction of muscles, activation of enzymes, and cellular communication require tightly regulated calcium levels. Normally, we get a lot of calcium from our diet. The small intestine absorbs calcium from digested food.
The endocrine system is the control center for regulating blood calcium homeostasis. The parathyroid and thyroid glands contain receptors that respond to levels of calcium in the blood. In this feedback system, blood calcium level is the variable, because it changes in response to the environment. Changes in blood calcium level have the following effects:
When blood calcium is low, the parathyroid gland secretes parathyroid hormone. This hormone causes effector organs (the kidneys and bones) to respond to increase calcium levels. The kidneys prevent calcium from being excreted in the urine. Osteoclasts in bones reabsorb bone tissue and release calcium.
When blood calcium levels are high, the thyroid gland releases calcitonin. Calcitonin causes the kidneys to reabsorb less calcium from the filtrate, allowing excess calcium to be removed from the body in urine. Calcitonin also suppresses the formation of active vitamin D in the kidneys; without vitamin D the small intestines don’t absorb as much dietary calcium. Osteoblasts, stimulated by calcitonin, use calcium in the blood to add to bone tissue.
what impacts do the amounts of available energy, water, and oxygen have on an ecosystem?
Answers
Answer:
What impact do the available amounts of energy, water, and oxygen have on an ecosystem? They act as limiting factors. ... increasing the biodiversity of the ecosystem.
100 points + brainlist
Jim is investigating the idea that the transfer of thermal energy when two components of different temperature are combined within a____ He uses a calorimeter to accurately measures the transfer of thermal energy by measuring changes in the ____of the system. The calorimeter allows him to study how the temperature changes when mixing liquids at different initial temperatures as well as how it changes when adding objects at different temperatures to water. In both. cases the____ substance transfers thermal energy to the____ until the substances reach____ Place the terms below in order that they should appear in the paragraph above.
temperature
closed system
cooler
warmer
equilibrium
Answers
Jim is investigating the idea that the transfer of thermal energy when two components of different temperature are combined within a closed system. He uses a calorimeter to accurately measures the transfer of thermal energy by measuring changes in the temperature of the system. The calorimeter allows him to study how the temperature changes when mixing liquids at different initial temperatures as well as how it changes when adding objects at different temperatures to water. In both cases, the warmer substance transfers thermal energy to the cooler until the substances reach equilibrium.
What is the transfer of thermal energy about?Investigating the transfer of thermal energy when two components of different temperature are combined within a closed system involves studying how heat flows between the two components until they reach thermal equilibrium.
Hence, In a closed system, the total energy remains constant, but the energy can be transferred between the components in the form of heat. This process is governed by the laws of thermodynamics, which describe the relationships between heat, energy, and work.
Learn more about thermal energy from
https://brainly.com/question/9459470
#SPJ1
Answer:
anyone yanking their thang rn
Explanation:
Utilizes the semi-permeable membrane and transports proteins is active transport, passive transport, or both.
Answers
Answer:it’s both
Explanation:
what explanation accounts for the formation of sunspots?
Answers
Answer:
The curvature of the magnetic fields near the sun's equator creates pockets of the photosphere that aren't warmed by convection.
Explanation:
Hope it helps!
Answer: Curvature of magnetic fields.
Explanation:
Match the following major signs and/or symptoms with a particular source of a food-borne or water-borne illness. Nausea; muscle pain; fatigue; facial swelling, especially around eyes Norovirus Clostridium botulinum Campylobacter jejuni Abdominal cramps, diarrhea (can be bloody), fever, and vomiting Stomach flu Blurry vision, difficulty swallowing, and general muscle weakness Sore throat and violent coughing Giardia Trichinella "Explosive" vomiting and watery, non bloody diarrhea Diarrhea, abdominal pain, weight loss Frequent urination
Answers
The nurse may identify these as dysphagia symptoms if a patient develops nausea, vomiting, abdominal pain, diarrhea, and lightheadedness after meals following gastric bypass surgery.
The term "dysphagia" refers to a medical disorder where a person may experience swallowing issues, leading to a variety of symptoms like nausea, vomiting, stomach cramping, etc. after meals.Because health issues are linked to difficulties moving both food and liquids from the mouth to the stomach, the individual's health symptoms may also manifest while they are drinking (rather than only when they are eating).With this information, we can see that the dysphagia condition is linked to swallowing issues in a person or patient, and as a result, the above-mentioned list of frequent symptoms can be used to characterize this sort of disease.
To know more about dysphagia
https://brainly.com/question/14328336
#SPJ4
7. Reena segregates the waste at home and put the bio-degradable waste in a pot containing soil. She leaves it for 15 days and uses that soil for her plants in the garden. a. Why do you think she did so? b. Which value is displayed in this situation?
Answers
Answer:
a.to make the soil has more nutrients
Explanation:
remember waste it's aits like manure which increases more nutrients in the soil or plants and it's enrich
A student investigated
Answers
Explanation:
Visking tubing , an artificial membrane which acts as selectively permeable membrane just like cell membrane, having minute pores.
This allows passage of smaller molecules
Mount Kilauea is an active volcano found
on one of the Hawaiian Islands. Looking at
the image to the right, how do you think the
four systems are interacting with one
another?
Answers
Yes the four systems are interacting with one another during the eruption of Mount Kilauea in Hawaiian Islands.
How does the four systems interact?The geosphere: This refers to the solid part of the earth, including the rocks, magma, and crust. In the case of a volcano like Mount Kilauea, magma rises from the mantle and collects in a magma chamber beneath the surface, which eventually erupts through the volcanic vent.
The hydrosphere: This refers to the water on earth, including oceans, lakes, and groundwater. In the case of Mount Kilauea, water from rain and underground sources can seep into the ground, interact with hot rock and magma, and create steam which may contribute to explosive eruptions.
The atmosphere: This refers to the layer of gases surrounding the earth, including air, clouds, and weather patterns. During volcanic eruptions, gases and ash are released into the atmosphere which can affect air quality and climate.
The biosphere: This refers to all living things on earth, including plants, animals, and humans. Volcanic eruptions can have a significant impact on the biosphere by destroying habitats, creating new landforms, and altering soil and water quality.
Find out more on Mount Kilauea here: https://brainly.com/question/12104576
#SPJ1
describe TWO criteria that are required in order to be considered for
bachelor degree studies.
Answers
Answer:The two important criteria that are required to be considered for bachelor's degree is completion of higher studies and scoring high percentage of marks in higher studies.
Explanation:
The two criteria that are required in order to be considered for bachelor degree studies include:
Completion of higher studiesScoring of high marks in certain courses.What is a Degree?This is usually awarded by colleges and universities upon completion of a course of study
The most appropriate criteria to be considered for bachelor degree studies are mentioned above.
Read more about Degree here https://brainly.com/question/17496239
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answers
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
Why is it said that natural selection acts on phenotypes rather than on the genetic material of organisms?
Answers
Answer:
It's because an organism's phenotype, or physical traits, are what truly decide whether it can reproduce and pass on its genotype to the following generation.
Because the phenotype of an organism represents the alleles that are actually expressed in that organism, natural selection affects that phenotype.
Explanation: