Answer:
A virus attaches itself to cells and usually reprograms them to reproduce itself. Also, unlike bacteria, most viruses do cause disease. Some virus-caused diseases include the common cold, AIDS, herpes, and chickenpox
Explanation:
Answer:
A virus can not be cured, but it can be treated to be better.
A bacterium can be cured.
Explanation:
HOW DO I EXPLAIN THAT?!
3. Which is a likely place for primary succession?
Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited. In other words, it is the gradual growth of an ecosystem over a longer period.
Does the caffeine provide any other benefits for the plant, such as enhanced pollination?
Answer:
Yes, caffeine does provide following benefits to plants:
1) Caffeine provide benefit to the plant in a way by enhancement of pollination process. This occurs by preferential pollination of such flowers whose nectar contain a small quantity of caffeine.
2) Caffeine that is present in leaves and seeds is a way that kills insects thus protecting them from damage.
3) Caffeine increases the learning ability of bees. Bees sucking nectar, having even a low concentration of caffeine showed a long term memory.
Caffeine in plants acts primarily as a defensive compound, deterring herbivores and killing insects. It doesn't directly enhance pollination, but may indirectly promote plant survival and recovery from damage. The role of pollination can be fulfilled by various species if certain pollinators were to disappear.
Explanation:Caffeine is a secondary metabolite produced by some plants, including the coffee plant, and it does indeed offer potential benefits to the plant. However, there hasn't been significant research to suggest that caffeine enhances pollination. Instead, the primary roles of caffeine in plants are related to defense and damage recovery.
Plants produce caffeine as a defensive compound to deter herbivores and kill insects. This, in turn, may indirectly enhance the ability of the plant to recover from damage, enhancing its survival rate.
With regard to pollination, plants have evolved various strategies to attract pollinators. While some offer food rewards like nectar, others, such as some species of orchids, use food deception. The pollinators, attracted by bright colors and scent indicating food, end up picking the pollen and transporting it to another flower.
In the absence of certain pollinators, plants would not necessarily be adversely affected as different species of insects or other animals can take on the role of pollination. For instance, if bees were to disappear, other pollinators could step in to fulfill the task, thereby not significantly affecting the ecosystem or the production of produce.
Learn more about Role of caffeine in plants here:https://brainly.com/question/13309349
#SPJ12
Which of the following is a secondary crop?
A. Sugar
B. Plums
C. Latex
D. Wheat
Secondary crops are usually not the primary source of income for a farm and are often grown alongside main crops. Among Sugar, Plums, Latex, and Wheat, plums are considered a secondary crop.
Explanation:Secondary crops are crops that are grown alongside primary crops and are usually not the main source of income for a farm. They are typically grown for diverse reasons such as to be sold in local markets, used in the farm or to add nutrients to the soil. Out of the given options A. Sugar, B. Plums, C. Latex, D. Wheat, B. Plums would be considered a secondary crop. Plums are most commonly grown in home gardens or on a small scale, as opposed to sugar, latex, and wheat which are often primary crops because they are mass-produced and are the main source of income for many farmers.
Learn more about Secondary Crops here:https://brainly.com/question/32422663
#SPJ2
how might the research help address the food supply for a growing population
The research could help address food supply challenges by developing genetically engineered crops with higher yields, resistance to pests and diseases, and improved nutritional content, ensuring food security for a growing population.
The research described in the article could help address the food supply for a growing population in several ways. By genetically engineering crops to be more resistant to pests, diseases, and environmental stresses, such as drought or extreme temperatures, farmers can increase crop yields and reduce losses during cultivation. This would result in a more stable and abundant food supply, helping to meet the increasing demand for food as the global population grows.
Additionally, developing crops with improved nutritional content, such as higher protein or vitamin levels, could help address malnutrition and nutrient deficiencies in populations that rely heavily on staple crops for sustenance.
Furthermore, by optimizing crop traits for specific growing conditions and regions, researchers can enhance agricultural productivity in diverse environments, including marginal lands, thereby expanding agricultural production and improving food security for populations around the world.
Substances that enter the cell without the expense of cellular ATP, but are too large to directly pass through the membrane, use ________________________ in order to gain access to the inside of the cell.
Substances that enter the cell without the expense of cellular ATP, but are too large to directly pass through the membrane, use cesicles in order to gain access to the inside of the cell.
Substances that enter the cell without the expense of cellular ATP, but are too large to directly pass through the membrane, use cesicles in order to gain access to the inside of the cell.
What is Cellular ATP?
At the cellular level, energy is used and stored as adenosine triphosphate (ATP). Adenine, ribose, and three serially bound phosphate groups make up the structure of ATP, which is a nucleoside triphosphate.
Since it stores readily usable energy in the connection between the second and third phosphate groups, ATP is frequently referred to as the "energy currency" of the cell.
The hydrolysis of ATP serves a wide range of cell functions, including DNA/RNA synthesis and signaling, in addition to producing energy. Energy for ATP production comes from a variety of catabolic processes, such as cellular respiration, beta-oxidation, and ketosis.
Therefore, Substances that enter the cell without the expense of cellular ATP, but are too large to directly pass through the membrane, use cesicles in order to gain access to the inside of the cell.
To learn more about ATP, refer to the link:
https://brainly.com/question/14637256
#SPJ6
What organisms were initially used for genetic engineering?
A. bacteria
B. tomato
C. pea plant
D. pansy
Answer:
bacteria
Explanation:
They took a gene from a bacterium that provided resistance to the antibiotic kanamycin, inserted it into a plasmid and then induced other bacteria to incorporate the plasmid.
Bacteria were initially used for genetic engineering.
They are used due to the relative ease of modifying their chromosomes. This ease made them important tools for the creation of other GMOs.What are GMO?A genetically modified organism (GMO) is an animal, plant, or microbe whose DNA has been altered using genetic engineering techniques.GMOs are foods that have been modified using genetic techniques. GMO foods are as healthful and safe to eat as their non-GMO counterparts. Some GMO plants have actually been modified to improve their nutritional value.Hence, A option is correct.
To know more about GMO here
https://brainly.com/question/27310003
#SPJ2
Help lpppppppppppppppppppppppp
Answer:
here is the order
Genetics
Allele
Hybrid then law of independent assortment
Law of segregation
On the pH scale, which value is considered neutral
A neutral pH value is 7
A neutral ph level is 7
Which is a difference between proteins and carbohydrates and fats
Excess carbohydrates and fats are stored; excess proteins are not
Explain why a changing environment can lead to extinction of a species.
Answer:
A quick change in environment can cause the extinction of a species because the animal in question may not be able to adapt fast enough. For example, urbanization can cause an animal species may go extinct because of the sudden change.
If there is a slow change in environment, the animal in question may go extinct because of lack of resources. If it is a predator, its prey may migrate. Therefore, it will starve.
Hope this help. Good luck!
These are inherited diseases that cause negative, abnormal physical effects in organisms.
Answer/Explanation: "inherited" is the key. could be genetic disorder, genetic defect, genetic disease, etc.
There is no explanation it is just a matter of knowing the correct answer or not.
Have a ni(e day (nice)
Answer:
USATestPrep Answer: Genetic Disorders
What type of cell reproduction has gametes?
A. Sexual
B. Asexual
C. Fusion
D. Budding
Answer:
A: Sexual
Explanation:
The female gametes are called the ova or the egg cells and the male gametes are called sperm.
The type of cell reproduction that produces gametes is sexual reproduction. Therefore, option (A) is correct.
Gametes are the specialized reproductive cells, such as sperm and egg cells, that are involved in sexual reproduction. In sexual reproduction, two parent organisms contribute genetic material to form offspring with a combination of traits from both parents. This involves the formation and fusion of gametes through processes like meiosis and fertilization.
Asexual reproduction, on the other hand, involves the production of offspring without the involvement of gametes or the fusion of genetic material from two parents. Options C (Fusion) and D (Budding) are not accurate in describing the specific type of cell reproduction that produces gametes. Therefore, option (A) is correct.
Learn more about Sexual reproduction, here:
https://brainly.com/question/7464705
#SPJ4
a possible expenation for a set of facts that can be tested by further investigation is called ___
Answer:
I believe it's Hypothesis.
Explanation:
Hope my answer has helped you!
Henry came across the______diversity.
Answer: im not sure but i thinks its BIO diversity
Explanation: Henry came across the BIO diversity x
Answer:
I believe it's Ecological diversity.
Explanation:
Hope my answer has helped you! :)
what is the purpose of the part of the male reproductive system that is highlighted below
Explanation:
that is where sperm cells grow so that is the purpose of that
Answer:
A. Stores sperm cells until they mature
Explanation:
Epididymis is a coiled tube like structure present at the top of the testes. Sperms are produced in seminiferous tubules of testes through the process of spermatogenesis. Sperms are delivered to epididymis from testes for storage. Sperms are matured and become capable of fertilizing egg cell in epididymis. Maturation of sperms refers to acquiring the ability of fertilization in epididymis.
During gene expression, DNA is transcribed into RNA in the nucleus. Then, the RNA is translated into proteins in the cytoplasm. Through what physical barrier must the RNA pass when moving from the nucleus into the cytoplasm?
A.
nucleolus
B.
cell wall
C.
plasma membrane
D.
nuclear envelope
Answer: Nuclear Envelope
Explanation: The nuclear envelope (NE) (also known as the perinuclear envelope, nuclear membrane, nucleolemma or karyotheca) is a double lipid bilayer that encloses the genetic material in eukaryotic cells. The nuclear envelope also serves as the physical barrier, separating the contents of the nucleus (DNA in particular) from the cytosol (cytoplasm).
Answer:
Nuclear envelope
Explanation:
just did it on study island
Which of the following equations represents the right chemical process that occurs in photosynthesis?
Answer:
The photosynthesis chemical equation states that the reactants (carbon dioxide, water and sunlight), yield two products, glucose and oxygen gas. The single chemical equation represents the overall process of photosynthesis.
Explanation:
A. Six molecules of carbon dioxide plus six molecules of water plus light energy converts to six molecules of oxygen plus sugar.
Explanation:Photosynthesis is a process through which plants synthesize their own food with the help of sunlight. In this process, light energy from the sun is converted into chemical energy through a series of reactions which is stored in the form of food.
In the process, 6 molecules of carbon dioxide (CO2) and 6 molecules of water (H2O) react in the presence of sunlight to produce 1 molecule of glucose sugar. Apart from glucose, 6 molecules of oxygen are also produced during photosynthesis.
A balanced chemical reaction for photosynthesis is as follows :
Sunlight
6CO2 + 6H2O ----------> C6H12O6 + 6O2
(carbon (water) (glucose) (oxygen)
dioxide)
I hope this helps!! Thank you!
What must be true for organisms to be considered the same species
Answer: organism and reproduce and produce offspring
A pathogenic strain of E. coli has been detected in the food supply of a nationwide food distributor, which provides meat to grocery chain, schools, food banks and other outlets. Which of these pieces of data would offer the most information about the cause of the contamination?
A)The temperature at which the food was cooked
B)The exposure of the sick individuals to mutagens
C)The mean distante from the outbreak to the food supplier
D)The sanitation practice of trained employees at the facility
Answer:
D
Explanation:
Bcoz E. Coli found in gut of ruminants and in gut of human also.
So the presence of this bacteria in food indicates improper sanitary conditions.
D) The sanitation practice of trained employees at the facility
Explanation:The principle reason - and by a wide margin the most significant - is to counteract nourishment borne sickness of different sorts.
An absence of sanitation can prompt food being defiled with different pathogens, which will thus cause sickness. While this may normally involve things like loose bowels or retching for sound grown-ups, those with flimsier resistant frameworks, similar to youngsters, the older or individuals with certain ailments might just turn out to be sick or even fatal.
Which of the following pairs accurately connects a macromolecule to its monomer ?
A. Lipids–phosphate groups
B. Carbohydrates–amino acids
C. Proteins–nitrogenous bases
D. Nucleic acids–nucleotides
D is the correct answer.
●Option D is the required answer
Select all the correct answers
Which
o statements are true about a system?
A system is a group of objects analyzed as one unit
Energy that moves across system boundaries is conserved
There's only one way to define the boundaries of a system
All systems are made by humans
Answer:
A system is a group of objects analyzed as one unit.
check
Energy that moves across system boundaries is conserved.
Explanation:
Took the test and got it correct hopefully this is helpful for anyone later.
A system is a collection of items that have been examined as a single entity, and it conserves energy as it moves across system boundaries. So, the correct options are A and C.
What is system?A system is made up of several interconnected or interacting parts that behave in a predetermined way to generate a coherent whole. A system's borders, structure, and purpose—all impacted and surrounded by its environment—are expressed in how it functions.
Objects are analysed collectively as a system.
A system that readily exchanges matter and energy with its surroundings is said to be open. A system that is closed is one that solely exchanges energy, not matter, with its surrounds. With its surrounds, a system isolated does not exchange energy or matter.Therefore, the correct options are A and C.
Learn more about System here:
https://brainly.com/question/8987993
#SPJ5
Match the following terms and definitions.
1. alternative form for a specific gene (either dominant or recessive)
heterozygous
2. can prevent the allele from being expressed in a pair of genes
genotype
3. the genes present in an organism
allele
4. a pair of non-identical genes that influence a trait in different ways
dominant
5. a pair of genes that are identical in the way they influence a trait
hybrid
6. offspring from a cross between parents; has different phenotypes for a specific trait
homozygous
Answer:
1. Allele
2. Dominant
3. Genotype
4. Heterozygous
5. Homozygous
6. Hybrid
Explanation:
Allele can be defined as a variation of a gene. A gene for a particular trait can come in different forms, depending on what was inherited from the parents. For example, freckles is a trait that can be inherited from a parent. One parent who has freckles and another without can still have children with or without freckles.
Dominant allele typically masks the recessive allele. This means that whatever the trait the dominant allele expresses, will show up physically, even when an organism possesses a recessive allele.
The genotype of an organism shows the genes. It is represented by letters. A capital letter usually represents the dominant trait, while a lower case latter represents the recessive trait. For example, F represents Freckles, while f represents no freckles. Freckles is the dominant trait while no freckles is the recessive trait.
When the genes or not identical, using the example above, Ff, this means that the organism is HETEROZYGOUS for the trait. In cases like this, the dominant trait is usually expressed. So in this organism with Ff, freckles will be expressed.
On the other hand when the genes are homozygous, it means that they have two alleles present for that specific trait. Again, using the example earlier:
FF = Freckles
ff = no freckles
Notice that the genotype shows the same allele for the specific trait.
When a cross between parents that has different phenotypes of a specific traits occurs, they create a hybrid. For example, FF x ff
If we cross this, the offsprings will have a genotype of Ff. Notice that the offspring genotype are not similar to the ones of the parents.
An organism catches small insects in a web in order to get energy. This organism can be classified as an _____________.
A. Prokaryotes
B. Eukaryotes
C. Unicellular
D. Multicellular
E. Autotrophs
F. Heterotrophs
Answer: heterotroph
Heterotrophs must consume food in order to get energy. In this case, the organism can be classified as a heterotroph because it consumes small insects to get energy.
Answer:
b
Explanation:
Which of the following statements describes how material can differentiate into different layers? Choose all that apply.
A. Less dense material floats
B. Denser material floats
C. Denser material sinks
D.Less dense material sinks
Thank you~
I guess the answer is A and C
Answer:
Option- (A) and (C): Both, of them are valid points.
Explanation:
Materials differentiation inside earth's layers:Earth layers are differentiated in the different layers of earth layers, on the basis of different properties they have, as the earth is made up of a very fine layers of different elements.
Below the continental plates we have, the following layers inside earth's structure:
The mantle,The outer core,The inner core.As due to earth's properties it cools down all the materials in such a manner that the denser material sinks to the center, while the less dense floats near to the mantle layer of the earth.In what environment do coral reefs form?
Coral reefs are generally found in clear, tropical oceans. Coral reefs form in waters from the surface to about 150 feet (45 meters) deep because they need sunlight to survive. The three types of reefs include fringing reefs, barrier reefs, and atolls.
The environment that is optimum to grow coral reefs is clear water where the sunlight can reach, and the temperature should be 20 to 30 degrees Celsius.
What are coral reefs?Coral reefs are cnidarians, made up of polyps of calcium carbonate. They live underwater. They make home to many underwater organisms. Food and medicines are also made from them.
It is the main source of food for billions of people. The farming of corals is also done. It grows in optimum temperature and condition, and the sunlight is needed for its growth.
Thus, clear water with a temperature of 20 to 30 degrees Celsius, where sunshine may penetrate, is the ideal condition for the growth of coral reefs.
Learn more about coral reefs, here:
https://brainly.com/question/16730110
#SPJ2
Which of these is an example of Bioremediation?
A - The mercury contained in fish builds up in animals that eat the fish.
B - Bacteria are introduced to break down hydrocarbons in an oil spill.
C - Materials containing metal are toxic to organisms that live in them.
D - An increased growth in microorganisms results in oxygen depletion
Answer: B - Bacteria are introduced to break down hydrocarbons in an oil spill.
Explanation:
Bioremediation is a process of treatment of used cultures, medium, soil and water with microorganisms, and plants which absorbs the pollutants from these sources and removes the contamination.
B - Bacteria are introduced to break down hydrocarbons in an oil spill. is the correct option this is because of the fact that the bacteria will break down the components of the oil that includes the hydrocarbons. This will disturb the structure of the oil and will make it unreactive and harmless to the aquatic species.
Bacteria are introduced to break down hydrocarbons in an oil spill is an example of Bioremediation.
The correct option is B .
Bioremediation is a process that uses living organisms, such as bacteria, fungi, or plants, to break down or remove environmental pollutants and contaminants from soil, water, or air. In the case of an oil spill, introducing specific types of bacteria that are capable of degrading hydrocarbons can help to naturally break down and remove the oil from the environment, leading to a more effective and environmentally friendly cleanup process.
When an oil spill occurs, large quantities of hydrocarbons are released into the surrounding ecosystem. Hydrocarbons are organic compounds found in petroleum and are harmful to the environment due to their toxic nature and potential to smother and damage marine life. Bioremediation takes advantage of the metabolic abilities of certain microorganisms, particularly hydrocarbon-degrading bacteria, to break down these hydrocarbons into less harmful substances.
Hence , B is the correct option
To learn more about Bioremediation, here
brainly.com/question/34331330
#SPJ6
READ AND HELP QUICK!!!!!PLEASE
density- independent factor
Answer is first choice
When does a climate event known as La Niña occur?
when surface waters in the eastern Pacific are warmer than normal
when surface waters in the eastern Pacific are colder than normal
when deep ocean waters in the eastern Pacific are warmer than normal
when deep ocean waters in the eastern Pacific are colder than normal
Answer:
when surface waters in the eastern Pacific are colder than normal
Explanation:
when surface waters in the eastern Pacific are colder than normal
The correct answer is B. When surface waters in the eastern Pacific are colder than normal
Explanation:
La Niña is a weather phenomenon that occurs as ocean water and more especially surface water temperature decreases or is colder than normal. This the opposite of El Niño that makes surface water to be warmer. Besides this, due to the changes in ocean temperature, this phenomenon has effects on weather such as more rainfall in multiple areas including parts of Asia, South America, and southern Africa while in others areas such as the U.S. it causes drier weather conditions. This phenomena only occurs in the surface water and usually near the equator zone in the eastern Pacific. Accoridng to this, La Niña occur "when surface waters in the eastern Pacific are colder than normal".
A person has developed a condition where his heart valves are damaged. Use complete sentences to explain the effects of such a condition on the circulatory system.
Answer:
Your heart has four valves that keep blood flowing in the correct direction. In some cases, one or more of the valves don't open or close properly. This can cause the blood flow through your heart to your body to be disrupted
Explanation:
If heart valves are damaged, it will restrict
blood flow through your heart to your body.
What is circulatory system ?The circulatory system serves as the system comprises blood vessels which transport blood away from and towards the heart.
This system contains Arteries and veins, and any damage to them will not allow transport of blood which could lead to complications.
Learn more about circulatory system at;
https://brainly.com/question/24653339
#SPJ2
how can DNA be useful in phylogeny?
A. DNA from every organism in a class is sequenced to identify genetic mutations that have occurred
B. DNA sequences are rearranged to predict how species could evolve in the future
C. DNA sequences from different species can be compared, giving us more information about their evolutionary relationships
D. DNA isn’t useful in phylogeny, as morphological characteristics are used exclusively in phylogeny
Answer:
Option C, DNA sequences from different species can be compared, giving us more information about their evolutionary relationships
Explanation:
Phylogeny is the study of evolution of species since ages and also working out inter species evolutionary relationship.
In molecular phylogeny the DNA and its structure is very essential to work out the evolution of species.
The information about the structural arrangement of genome, genetic mutation, difference in the nucleotide sequence etc, helps to establish a common ancestry relationship between two or more individual.
Since all the genetic information is carried by DNA, thus assessment of DNA helps to identify the common thread of evolution and in this way DNA is useful in phylogeny.
Answer:
C. DNA sequences from different species can be compared, giving us more information about their evolutionary relationships
Explanation:
penn foster