Answer:
ook so what you do is
Explanation:
All of the following are functions of the cell membrane EXCEPT:
A. To provide the cell with structure and protection from the external environment
B. To control the expression of genes
C. To control what enters and exits the cell in order to maintain homeostasis
D. To be involved in cell to cell signaling and communication
Answer:
Answer D
Explanation:
It's not answer A because that is the main goal of the cell membrane.
It's also not answer B because at first glance, you may think that this is the goal of the nuculeus, HOWEVER, this is also the perpous of the cell membrane.
Finally, its not answer C because that is just answer A, but reworded to make it sound different.
The answer is answer D because communicating between cells is the goal of the Endoplasmic Reticulum, aka the ER.
What is the purpose of anaphase?
A) to assist the DNA in forming proteins and chromosomes
B) to promote the growth of new chromosomes within the cell
C) to provide space within the cell for chromosomes to move around
D) to ensure that each daughter cell gets a complete copy of the parent’s DNA
Answer:D
Explanation:
Answer:
d is the correct answer
Explanation:
the term evolution is best described as
Answer:
The term evolution is best described as. a process of change in a population through time.
Evolution is defined as the process of growth and development or the theory that organisms have grown and developed from past organisms. An example of evolution is how cell phones have changed over time.
HOPE IT HELPS : D
Explanation:
Evolution is a very important phenomenon, which is the change in the characteristics of species of organisms over the course of life for the purpose of better survival.
What is evolution?The term “evolution” is best described as the process of gradual and continuous change in the inherited characteristics of a species over many generations.
This change is driven by mechanisms such as natural selection, mutation, and genetic drift, which lead to variation in traits within a population over time.
The theory of evolution by natural selection is widely accepted among scientists as the best explanation for the diversity of life on Earth. In addition to its importance in understanding the development of life on Earth, the concept of evolution has far-reaching implications for many areas of study, including medicine, agriculture, and conservation biology.
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there are ________ different skeletal muscles that are responsible for the movement of the body through contractility, extensibility, and elasticity.
There are more than 600 distinct skeletal muscles that move the body by contracting, extending, and elongating.
What role does the skeletal muscle serve?
All of your motions are made possible by skeletal muscle, which is made up of fibers of tissue connected to your skeleton or bones. These muscles can also be found at the entrances of many bodily tracts, including the urethra, anus, and throat. Because you can regulate when and how they perform, they are frequently referred to as voluntary muscles.
What is the name of skeletal muscle?
Skeletal muscle, often known as voluntary muscle, is the most prevalent of the three kinds of muscle found in vertebrates. Tendons connect skeletal muscles to bones, and these muscles are what move bodily parts in relation to one another.
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What prevents a lake or ocean from freezing solid?
Answer:
The surface layer of the water freezes solid creating a barrier that insulates the ice below so that it keeps a steady temperature usually a few degrees above freezing (32 degrees).
Explanation:
environmental factors such as salinity and temperature can influence gene expression and cell differentiation. what is the role of these factors in gene expression?
The process through which information from a gene is used to produce the structures of a cell is termed gene expression. Environmental variables can also influence gene expression and cell differentiation.
The majority of organisms must adapt to shifting environmental conditions, and in these circumstances it is frequently challenging to understand how an organism's genes "feel" changes in the environment to gene expression. Researchers are unable to foresee the variety of genotypic variation combinations, environmental factors, and potential phenotypes. The complex interactions of numerous genetic loci with various environmental signals, however, indicate that researchers must continue to come up with new approaches to studying these circumstances. For example, they might simultaneously analyse thousands of genes using methods like microarray technology in various environmental settings.
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who discovered haley's comet? when and how?
Answer:
Edmond Halley discovered Haley's comet and it was discovered in 1758 he discovered it by examining reports of a comet approaching earth in 1531.
Raekwon wanted to see if listening to music would make the basketball players make more
baskets. On day one, he didn't play any music and counted how many baskets they could
make in 10 minutes. On day 2, he played rap music and counted the baskets, and on day 3,
he played classical music and counted the baskets. IV DV control
answer
IV-music
DV-baskets in 10 mins
control-the day no music was played
step by step
IV is the variable being adjusted to achieve variety of results
DV is the counts that will depend on the music played
control with no music only one variable was being tested the counts so a control is where one variable is being tested
Examine the diagram of a cell.
Which organelle is marked with an X?
Answer:
Mitochondrium
Explanation:
|•-•| :)
Answer: the mitochondrion
bisphosphonate-associated osteonecrosis of the jaw: report of a task force of the american society for bone and mineral research
The American Society for Bone and Mineral Research created a task force to study bisphosphonate-associated osteonecrosis of the jaw.
The American Society for Bone and Mineral Research formed a task force to investigate the phenomenon of bisphosphonate-associated osteonecrosis of the jaw (BONJ).
This condition is characterized by the death of jawbone tissue in patients who have received bisphosphonate therapy, commonly used to treat osteoporosis and bone metastases.
The task force aimed to provide a comprehensive analysis of BONJ by reviewing existing literature and clinical data. Their report summarized the current understanding of BONJ, including its risk factors, clinical presentation, diagnostic criteria, and management strategies.
The findings of the task force were intended to assist healthcare professionals in improving the prevention, diagnosis, and treatment of BONJ.
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you're working in the rainforest and discover a new species. you get to name the species. what must be included in this name, and how is it written?
Answer:
When naming a new species, there are certain rules and conventions that must be followed. The name of a species must be unique, so it must not have been previously used for another species. Additionally, the name must be written in a standardized format using Latin binomial nomenclature. This means that the name must consist of two parts: the genus name, which is always capitalized, and the species name, which is always lowercase. For example, the scientific name of the lion is Panthera leo.
pls award brainliest!
Explanation:
The ________ method can be used to identify the neural inputs to a brain region.
a. retrograde labeling
b. electrolytic lesion
c. anterograde labeling
d. microdialysis
e. transdialysis
The anterograde labeling method can be used to identify the neural inputs to a specific brain region. This technique involves injecting a tracer, such as biotinylated dextran amine or cholera toxin subunit B, into the region of interest. The tracer is then taken up by neurons in the area and transported down their axons to their terminals,
In contrast, the transdialysis method is used to measure the levels of neurotransmitters in a specific brain region. It involves implanting a probe that has a semipermeable membrane that allows for the diffusion of small molecules such as neurotransmitters. The probe is then connected to a device that measures the levels of neurotransmitters in real-time. This technique is useful in studying how neural activity and neurotransmitter release are related.
Overall, both anterograde labeling and transdialysis methods are powerful tools that can provide valuable insights into neural circuitry and function in the brain.
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6.
Evolution explains how variations can lead to changes in a species
Answer: Evolution is the process by which populations of organisms change over generations. Genetic variations underlie these changes. as we evolve our genetic genes change because the gametes come from 2 parents and has half the DNA (23) and thousands of years passes and if you will compare people in ancient times to now we are completely different.
Hydrochloric acid (HCI) is a strong acid.what ions are formed when HCI dissolves in water?
Answer:
H₃O⁺ and Cl⁻
Explanation:
Hydrochloric acid, a strong acid will ionize completely in solutions.
When acids ionize in water, they produce excess hydroxonium ions in such solution.
HCl + H₂O → H₃O⁺ + Cl⁻
The HCl and H₃O⁺ forms a conjugate pair and likewise the H₂O and Cl⁻
In this ionization, water acts as the base.
a drug that stimulates peristalsis in the stomach was injected into a human subject. electrical activity and contractile strength was measured in the stomach smooth muscle. the drug caused the stomach to contract three times per minute. compared to the period before drug injection, the period of intense contraction is characterized by
Option d is Correct. Three times each minute, the medication causes the stomach to contract. The phase of strong contraction is characterized by an increase in the amplitude of the slow waves in comparison to the period preceding drug administration.
A human patient receives an injection of a medication that promotes peristalsis in the stomach. Inside the stomach, electrical activity and contractile force are monitored. Metoclopramide, bethanechol, and domperidone have been demonstrated to improve the peristaltic contractions of the esophageal body, increase the muscular tone of the lower esophageal sphincter, and stimulate stomach motor activity in studies on both humans and animals.
Drugs known as gastrointestinal stimulants promote gastrointestinal smooth muscle motility without purgative effects. Although these medications each have a unique mode of action, they all function to shift the contents.
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Correct Question:
A drug that stimulates peristalsis in the stomach is injected into a human subject. Electrical activity and contractile strength is measured within the stomach. The drug causes the stomach to contract three times per minute. Compared to the period before drug injection, the period of intense contraction is characterized by which of the following?
(a) A decrease in the frequency of the slow waves
(b) An increase in the frequency of the slow waves
(c) A decrease in the amplitude of the slow waves
(d) An increase in the amplitude of the slow waves
(e) No change in the frequency or amplitude of the slow waves
Cell Membrane Diseases Cell membrane diseases are life -threatening disorders that are in nature , and they usually work against proteins in our body that are key to ion channels and various receptors within the membrane . These diseases work by either disrupting the normal functions of the or by simply affecting the cell membrane . Many of these disorders contain other components as well. Some disorders involving trouble with the cell membrane
1) Cystic fibrosis
2) Alzheimer's disease
3) Duchene Muscular Dystrophy
4) Hyaline Membrane disease
Answer
cell kytosis
Explanation
What does the Coriolis effect directly impact?
An increase in biodiversity generally causes?? help it’s an enguinutiy question
Answer:
increase in its productivity
Explanation:
one example is a better chance for survival
like if some of the same species hate water and stay on land
and some of the same species love water and stay in water
then overall
some of the total number of the same species can survive a flood
increase in the biodiversity of an ecosystem leads to an increase in its productivity. A variety of different mechanisms in nature help create diversity in organism populations. The tundra found in the northernmost parts of the planet is the world's youngest biome.
quizlet
2) Which one of the following structures carry out life functions within cells?
A) organ systems
B) organelles
C) organs
D) tissues
Answer:
b is the correct answer to your question
How many green sea turtles are left in 2021?
Answer:
50k-75k in total
Explanation:
why is it important to ask questions
Answer:
It helps you uncover the challenges you're facing and generate better solutions to solve those problems. We're all spending too much time and energy solving the first iteration of a challenge with the first idea we have. That's both limiting and counterproductive.
Explanation:
How is cellulosic ethanol different from traditional corn-based ethanol?
View Available Hint(s)
It can be made from used grease and oil from restaurants.
It is made from wheat or rice grains instead of corn.
It is made from sustainably grown corn.
It can be made from the nonfood portions of plants and from wood.
It can be made from the nonfood portions of plants and from wood.
Cellulosic ethanol utilizes non-food plant materials, promotes sustainability, requires more advanced processing, and has a wider range of feedstock options, while corn-based ethanol is primarily derived from corn kernels and raises concerns about food competition and simpler fermentation processes.
Cellulosic ethanol differs from traditional corn-based ethanol in several ways:
1. Feedstock: Cellulosic ethanol can be made from non-food portions of plants, such as agricultural residues (corn stover, wheat straw), dedicated energy crops (switchgrass, miscanthus), and even from wood and forestry residues. In contrast, traditional corn-based ethanol is primarily derived from corn kernels.
2. Sustainability: Cellulosic ethanol has the advantage of utilizing feedstocks that are not in direct competition with food crops. It can be made from agricultural waste, non-food crops, or even wood, reducing concerns about diverting food resources for fuel production. In comparison, corn-based ethanol is made from corn, which raises concerns about potential impacts on food prices and availability.
3. Conversion process: Cellulosic ethanol production involves more complex and advanced processing techniques. Cellulosic materials, such as plant fibers, need to be broken down into simple sugars before fermentation can occur. This typically requires specialized enzymes or other technologies to break down the cellulose and hemicellulose present in the feedstock. Corn-based ethanol, on the other hand, relies on simpler fermentation processes as the starch in corn is already readily fermentable.
4. Availability of feedstock: Cellulosic ethanol has the potential to utilize a wider range of feedstocks compared to corn-based ethanol. It can be produced from various sources, including agricultural residues, dedicated energy crops, and forestry residues. Additionally, cellulosic ethanol can even be made from used grease and oil from restaurants, adding to its versatility in feedstock sources.
It's important to note that while cellulosic ethanol holds promise as a more sustainable and diverse biofuel option, its commercial production has faced challenges in terms of cost-effectiveness and scalability. However, ongoing research and development efforts aim to improve the efficiency and viability of cellulosic ethanol production.
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ASAP Summarize the lytic cycle.(1 point)
Responses
A virus copies its genetic material and then splits its cell membranes in half to form identical viruses.
A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.
A virus lays eggs on the host cell’s protein coat, which then hatch and move on to infect other cells.
The viral DNA incorporates itself with the host cell and replicates whenever the host cell replicates itself.
Answer:
A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.
Explanation:
There are two cycles of viral replication.
1. Lytic
2. Lysogenic
The lytic cycle involves the destruction of the cell to release viral particles.
The lysogenic cycle incorporates the DNA into the host's genome and the DNA is replicated when the cell replicates. This cycle can turn into the lytic cycle in a process called induction.
If the density of ethanol is 0.789 g/mL, how many milliliters are produced in this reaction?
C6H12O6 --> 2 C2H5OH + 2 CO2
The volume of the ethanol is 6.7 mL
What is the density of the ethanol?We know that density is defined as the ratio of the mass to the volume of an object. We know that the density is said to be an intrinsic property and this means that we can use the density of the object to be able to obtain the kind of object that we are dealing with.
We have the information that the mass of the carbon dioxide that can be obtained from the reaction is about 10 g. We can now use this to obtain the number of moles by the use of the formula;
Number of moles = mass/ molar mass
= 10 g/44 g/mol
= 0.23 moles
From the reaction equation:
1 mole of ethanol produces 2 moles of carbon dioxide
x moles of ethanol produces 0.23 moles of carbon dioxide
x = 0.23 × 1 /2
= 0.115 moles
Mass of ethanol = 0.115 moles × 46 g/mol
= 5.29 g
Volume of the ethanol = mass/density
volume = 5.29 g/0.789 g/mL
= 6.7 mL
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When water experiences gravity and moves to streams, creeks, and rivers
after precipitation this is called what?
A) Runoff
B) Transpiration
C) Sublimation
D) Infiltration
Answer: The answer is runoff.
Explanation: Runoff is water “running off” the land surface.
Animals which are especially good at recording time are
A. microscopic
B. terrestrial
C. arboreal
D. aquatic
E. all of the above are equally good at recording time
What is artificial selection?
A. When 60 percent of a species dies at one time
B. When humans breed an animal for a certain trait
C. When a new allele is formed by mutation
D. When extreme traits are selected by nature
SUBMIT
Answer:
Selective breeding is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits by choosing which typically animal or plant males and females will sexually reproduce and have offspring together.
Plz help I don't know the answer
Answer:
The answer to the question is option D
Which statements describe codominance? Select three options.
Traits are usually dominant.
Traits are neither dominant nor recessive.
Offspring exhibit an intermediate form of alleles from the parents.
Both alleles, one from each parent, are expressed in offspring.
Codominance involves the interaction of two alleles.
Answer:
Its
B-Traits are neither dominant nor recessive.
D-Both alleles, one from each parent, are expressed in offspring.
E-Codominance involves the interaction of two alleles.
Explantion: I took the quiz
Answer:
Da answer is B,D,E
Explanation:
I’m doing the test. Will add a pic once I’m done.
HIV is a retrovirus. Which sequence does it use as part of its reproductive
cycle?
A. RNA DNA → RNA protein
B. protein
- DNA - RNA → DNA
C. DNA - RNA DNA protein
D. RNA - protein - RNA - DNA
HIV is a retrovirus whose sequence is RNA DNA → RNA protein which it uses as part of its reproductive cycle. So, the correct option is A.
What is HIV?HIV stands for Human Immunodeficiency Virus which is defined as a virus that attacks the body's immune system. If HIV is not treated, it can lead to AIDS which stands for acquired immunodeficiency syndrome. There is currently no effective cure, while once people have HIV, it remains with it for life.
HIV can spread through sexual contact, illicit injection drug use or sharing needles, contact with infected blood, or from mother to child during pregnancy, childbirth or breastfeeding. HIV is a retrovirus whose sequence is RNA DNA → RNA protein which it uses as part of its reproductive cycle.
So, the correct option is A.
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