Our system for sensing smell differs from our sensory systems for vision, touch, and taste in terms of receptors, stimulus, and processing.
Explanation:Our system for sensing smell differs from our sensory systems for vision, touch, and taste in several ways:
Receptors: Smell uses olfactory receptors located in the nose, while vision uses photoreceptors in the eyes, touch uses mechanoreceptors in the skin, and taste uses taste buds on the tongue.Stimulus: Smell detects odor molecules in the air, while vision detects light waves, touch detects pressure and vibrations, and taste detects molecules in food or drink.Processing: Smell signals are processed in the olfactory cortex, while vision signals are processed in the visual cortex, touch signals are processed in the somatosensory cortex, and taste signals are processed in the gustatory cortex.Learn more about sensory systems here:https://brainly.com/question/32342884
#SPJ2
Next-generation sequencing reveals six new mutations have occurred in the coding regions of genes in an individual diploid fly. if the coding regions of this fly comprise 100 million nucleotides per haploid genome, what is the mutation rate per nucleotide?
The mutation rate per nucleotide in the coding regions of the diploid fly's genome is 3 x 10^-8, derived by dividing the six new mutations by the total nucleotides in the diploid coding genome (200 million).
To calculate the mutation rate per nucleotide in the coding regions of the diploid fly's genome, we first consider the total number of coding bases per diploid genome, which is 2 x 100 million (as each haploid genome contains 100 million and the fly is diploid). If there are six new mutations, we divide the total number of new mutations by the total number of nucleotides in the coding regions of the diploid genome.
The calculation is as follows: 6 mutations / (2 x 100,000,000 nucleotides) = 3 x 10-8 mutations per nucleotide. This means the mutation rate is 3 x 10-8 for this individual fly.
What are two ways plant cells are like animal and human cells?
Answer:
Both animal and human cells include the following: reproduction, nucleus, organelles, plasma membranes.
Both plant cells and animal or human cells are multicellular and eukaryotic in nature. And due to this, the level of complexity is actually the same in both types of cells.
What is a Plant cell?A plant cell may be defined as a eukaryotic cell that is present in green plants, as well as photosynthetic eukaryotes of the kingdom Plantae.
Both plant cells and animal or human cells contain membrane-bound cell organelles with a specific nucleus, mitochondria, etc.
They produce offspring through the process of reproduction.
Therefore, it is well described above.
To learn more about Plant cells, refer to the link:
https://brainly.com/question/913732
#SPJ2
Squirrels and chipmunks compete for the same food source. What is most likely to happen to the degree of competition between these two species if their food became scarce? decrease increase stay the same disappear
help please
A patient is transferred to a nursing home without arrangements for follow-up being discussed with the family or a clinician responsible for follow-up care
Which of the following would be the most important adaptation for a desert-dwelling animal to possess?
a.
heat dissipation structures
b.
heat conserving structures
c.
energy conserving behaviors
d.
water conserving behaviors
The correct answer is option d. water conserving behavior.
The desert biome lacks water, so, the conservation of the water is very important for the organism for the survival in the deserts. The desert dwelling animals are adapted, in such a way, that the water is conserved in the body of the animals. They do not drink water for many days and utilize the water present in the body.
. Which factor does not take a population out of Hardy-Weinberg equilibrium? allele frequency natural selection mutation rate genetic drift
Allele frequency
Explanation;According to Hardy Weinberg Principle, the gene or allele frequencies in a population will remain stable from generation to generation until acted on by an outside force.Allele frequencies in a population will not change from generation to generation, as far as factors of evolution such as natural selection, mutation, and migration are not taking place.Hardy-Weinberg equilibrium can be disturbed by the forces of evolution which includes, mutations, natural selection, gene flow, non-random mating and genetic drift.Review the water cycle diagram below. What effect would removing the precipitation stage have on this environment?
A). There would be little snow and ice accumulation on the mountains.
B). There would be more evapotranspiration in the atmosphere.
C). There would be less water in the nearby oceans or bodies of water.
D). There would be increased surface runoff and groundwater discharge.
Answer:
Option C, There would be less water in the nearby oceans or bodies of water.
Explanation:
In the precipitation phase of water cycle, the water from clouds return back to earth in the form of rain, hail snow etc, so that it could reach the nearby water stream/body from where it can evaporate again and complete the water cycle. Now if the stage of precipitation is removed, the water that once evaporated from earth will never come back and hence after some time the water bodies will not enough water for evaporation, due t which the water cycle will be destroyed.
Hence, option C is correct.
Answer:
D
Explanation:
(b) which statements below describe the changes that molecules undergo when heat is applied during a phase change?
The three layers of specialized membranes surrounding the brain and spinal cord are the:
Alveoli are the terminal air sacs of the lungs, and are the sites of gas exchange between the lungs and blood. How does the surface area-to-volume ratio of the cells of alveolar walls relate to their function? please hurry.
What are the ways life has improved and worsened in animal farm?
Ways Life Has Improved:
- The animals only have to produce for themselves.
- The animals can vote for change.
- The animals dfon't have to worry about being killed by the farmers.
- The aniumalse more productive and more happy.
- The animals are now hopeful for the future.
- The animal's food tastes a lot better.
- Their harvests are much more successful.
Ways Life Has Worsened
- Some animals are strict and angry.
- The animals do not keep as much of their food because the pigs eat it.
- The pigs take charge, and they are not very faithful.
- The seven commandments are disappearing.
- The life of the farm only improved for the pigs.
- The leaders on the farm are not very good.
- A lot of the animals always feel hungry and cold.
Jamal is asked to write a science essay about molecular forces. He first turns to his science textbook for information. Which is the BEST second source for Jamal’s research?
Answer:
a scientific journalExplanation:
Name three of the enzymes involved in dna replication and describe what they do.
No matter what the cell type, prokaryotic or eukaryotic, plant or animal, the ____________ forms a protective barrier between the exterior environment and the interior of the cell.
Answer: The correct answer for the fill in the blank is Cell membrane.
Cell membrane ( also called plasma membrane) is the membrane around cytoplasm of the cell. It is present in the cells of all living organisms. It forms a protective barrier of the cell as it separates interior components from the external environment of the cell.
It is a selectively permeable membrane as it controls the transport of substances in and out of the cell. By doing this, it does not allow the harmful substances to enter the cell.
True or false amino acids with hydrophobic side chains are often found in the region of an integral membrane protein that spans the membrane.
True
Further explanation
Amino acids are organic compounds that have a carboxyl (-COOH) and amine (usually -NH2) functional group. This carboxyl group gives acidic properties and the amine group gives basic properties. Protein-forming amino acids will bind to each other with peptide bonds, so that in one dipeptide molecule they contain one peptide bond.
In general, in an amino acid a C atom binds four groups, namely: a carboxyl group, an amine group, a hydrogen atom and a residual group (side chain, -R group). The side chains of the different amino acids (R groups) in amino acids determine the structure, size, electrical charge and water solubility.
There are 2 types of amino acids based on the body's ability to synthesize, namely essential amino acids and non-essential amino acids. Essential amino acids are amino acids that cannot be synthesized in the body, but are obtained from outside, for example through food (lysine, leucine, isoleucine, threonine, methionine, valine, phenylalanine, histidine, and arginine). Non-essential amino acids are amino acids that can be synthesized in the body through an overhaul of other compounds.
Classification of amino acids can be done based on side chains (-R groups) and their solubility in water. Based on the solubility in water divided into hydrophobic and hydrophilic amino acids.
AMINO ACID BIOLOGICAL FUNCTION
- Compiler of proteins, including enzymes.
- The basic framework of a number of important compounds in metabolism
- Binding of important metal ions needed in enzymatic reactions.
Learn More
Amino acid : https://brainly.com/question/5883130
Details
Class: High School
Subject: biology
Keywords : Amino acid, enzymes, carboxyl
Amino acids with hydrophobic side chains are present in the region of an integral membrane protein that spans the membrane. This statement is true.
Further Explanation:
The Fluid Mosaic Model suggests that the plasma membrane is a unique structure with phospholipids, proteins and several carbohydrate molecules. Arrangement of phospholipids provides the membrane fluidity. The transmembrane domain is embedded in the hydrophobic layer, holding the proteins. Their hydrophobic nature is a must for their presence in the hydrophobic environment.Integral membrane proteins (IMPs) are composed of two types of amino acids:
Polar amino acids Non-polar amino acidsThe polar part lies close to the hydrophilic part of the lipid bilayer, and the non-polar components lie adjacent to the hydrophobic part. Membrane spanning regions in the plasma membrane is called the transmembrane domain. These domains are made up of some hydrophobic molecules (amino acids) and play a major role in holding the protein in the membrane. Transmembrane domains are present in the hydrophobic layer and hence are similar in nature, providing them stability.
Learn More:
Learn more about the treatment of eukaryotic cell with a drug https://brainly.com/question/10767798 Learn more about the proteins synthesis in a cell https://brainly.com/question/1420458 Learn more about the exchange of gases by blood cells https://brainly.com/question/1213217
Answer Details:
Grade: High School
Subjects: Biology
Chapter: Cell Membrane
Keywords:
Polar, non-polar, amino acid, hydrophobic, hydrophilic, membrane, stability, nature, molecule, fluid mosaic model, environment, nature.
Bill expends 2,500 kilocalories per day. what amount of kilocalories will be from basal metabolism
how does energy travel?
what are some of the health issues that clones may experience?
How will the diversity of species differ between early and late succesion areas?
Within a eukaryotic cell aerobic cellular respiration occurs within the
Answer:
mitochondria
Explanation:
Describe the difference between exocrine glands and endocrine glands. list below an example of each and what hormone they release.
A 65-year-old patient reports night sweats and weight loss. the complete blood count report shows that she has lymphocytosis. the total white blood cell count is 23,000 microliters. on diagnosis, the bone marrow of the patient is infiltrated with small lymphocytes. what should the nurse suspect based on the information?
You are dispatched to an industrial plant for a burn. you arrive and find a 60-year-old male who came in contact with a broken steam line and appears to have partial thickness burns on both hands and arms. he is lying on the ground and coworkers are gently spraying him with water from a nearby hose. what should you do? a call for air transport and continue to pour water on the burns until transport arrives. b before doing treatment, call the local burn center for instruction. c care for the burn and do a complete patient assessment, including cervical spine precautions. d because of his age, immediately put him in your ambulance and transport him to a burn center.
The atomic number is consider a unique atom and element identifier. Describe the associated subatomic particle, and how it can be used to identify the atom.
A) The number of electrons changes in a unique way as the charge on the atom changes.
B) The proton number remains constant through changing the atomic charge, energy, and isotopes.
C) As the atom absorbs photons the way the photons interact in the nucleus gives the atomic number.
D) All isotopes of the an element have the same number of neutrons allowing it to describe the unique atom.
The ozone layer helps to sustain terrestrial life by __________. a. absorbing incoming UV radiation b. keeping levels of ozone in the troposphere low c. maintaining the Earth's temperature structure d. all of the above
The right answer is d. all of the above.
The ozone layer is a layer of the Earth's stratosphere that lies between 20 and 50 km above sea level. It is characterized by a concentration of ozone (O3) proportionally greater than in the other layers of the atmosphere, of the order of ten parts per million (ppm).
It has the particularity of absorbing most of the ultraviolet radiation from the Sun that is harmful to life (such as UVB, which can alter the DNA).
The absorption of ultraviolet light by ozone creates a heat source that forms the stratosphere (a region where temperature increases with altitude). It plays a decisive role in the structure of the Earth's atmosphere temperature.
In the troposphere: tropospheric ozone is the one that results from human activities, particularly exhaust gases, which are subject to rigorous monitoring and warning of air quality during periods of intense heat (peak of ozone). This is the "bad" ozone, so it must remain at a low concentration.
In the b-galactosidase lab, why was o-nitrophenol-b-d-galactosidase (onpg) used?
ONPG is used in the b-galactosidase lab to detect the presence of active enzymes.
ONPG is used in the b-galactosidase lab to detect active enzymes by yielding a yellow color upon cleavage. It is essential for enzyme activity detection in assays monitoring the cleavage of o-nitrophenyl-b-galactoside. When cleaved by b-galactosidase, ONPG yields a yellow color, indicating enzyme activity. This chemical is utilized in assays to monitor the cleavage of o-nitrophenyl-b-galactoside.
What is found in chloroplasts of green algae
Autonomic tone, the balance between sympathetic and parasympathetic activity, is regulated by the
What are three main sources of atp available for human muscle cells?
Human muscle cells generate ATP through creatine phosphate, glycogen breakdown, and cellular respiration, allowing for both short bursts and sustained muscle activity.
Explanation:The three main sources of ATP available for human muscle cells during contraction are:
Creatine phosphate: This compound serves as a temporary reserve of high-energy phosphate that can quickly generate ATP from ADP. It provides energy for approximately the first 15 seconds of muscle contraction.Glycogen: Muscle fibers degrade glycogen via glycogenolysis, which leads to the production of ATP through glycolytic pathways. While not a sustainable long-term source of ATP, it is crucial for short bursts of muscle activity.Cellular respiration: This process occurs in the mitochondria and can produce ATP aerobically (with oxygen) or anaerobically (without oxygen). Aerobic respiration yields a larger amount of ATP and is essential for prolonged muscle activity.Essentially, muscle cells first use ATP that is readily available, followed by the conversion of creatine phosphate to ATP. As muscle activity continues, ATP is generated from glycogen and then through cellular respiration, to meet the energy demands of sustained muscle contractions.
When observing a bird skin cell in g2 under a microscope, you count 160 total chromatids. how many chromosomes does a male chicken have in its sperm cells?
Final answer:
A bird skin cell in G2 with 160 chromatids leads to the conclusion that there are 80 chromosomes in diploid cells; hence, male chicken sperm cells would have 40 chromosomes, which is half the diploid number.
Explanation:
Observing a bird skin cell in G2 that has 160 total chromatids indicates that the diploid number of chromosomes in the bird species is 80, as each chromosome consists of two chromatids during the G2 phase of the cell cycle. Sperm cells are haploid, containing half the number of chromosomes found in somatic cells. Since a male chicken (rooster) is the organism in question, the number of chromosomes in its sperm cells would be half that of the diploid number, which in this case is 40. To provide another example, if a muscle cell of a typical organism has 32 chromosomes, a gamete from that organism would have 16 chromosomes, which is half the diploid number since gametes are produced through meiosis.