Genetic recombination would be most closely associated with which process in disease-causing microorganisms?
A.binary fission in fungi
B.sexual reproduction in fungi
C.spore formation in bacteria
D.viral replication in host cells
Genetic recombination is most closely associated with: Choice D: Viral replication in host cells
Definition:
Genetic recombination (otherwise termed genetic reshuffling) is simply the exchange of genetic material between different organisms which leads to production of offspring with combinations of traits that differ from those found in either parent.
In retroviruses, recombination actually occurs at the point during replication when the retrovirus genome is in a DNA form and takes place by the same break-rejoin technique as in cells and DNA viruses.
Recombination can occur both between two related retroviruses and between the retrovirus DNA and the host DNA.
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What is represented in each square of the periodic table?
ASAP PLEASE HURRY
Igneous, sedimentary, and metamorphic are found at the same cliff side.
Which statement is correct about the rocks in this location?
A) All three types of rock will become metamorphic if they stay at the surface of Earth.
B) If this location is buried deep underground, only the metamorphic rock will melt because it has already been heated before.
C) The metamorphic rock and sedimentary rock were already at this location and magma flowed into the other rocks.
D) The igneous rock will become metamorphic rock after the rock in the cliff side turns into sediment.
Answer:
The metamorphic rock and sedimentary rock were already at this location and magma flowed into other rocks
pls help me, ill mark!!!!
Answer:
#1. the organs of the nervous system: This system is made up of the brain, spinal cord
#2. the organ that sensory nerves reach the brain: Sensory neurons assemble to form sensory nerves that reach the brain through the spinal cord. The brain processes the sensory impulses and sends information to the corresponding effector organs through motor nerves
The small finger like projections are: axon terminals, The connection between a neuron and a muscle cell is called a neuromuscular junction. The finger-like projections of the axon are the axon terminals. An action potential moves down to the axon terminals where it causes a chemical message called a neurotransmitter to be released into the synaptic cleft.
Explanation:
pls mark brainliest
In the levels of organization, a group of organs form _________.
- an organ system,
- tissues,
- bones
Answer:
an organ system
Explanation:
Which of the following is the smallest level of organization in living things?
A. organ system
B. cell
C. tissue
D. organ
Answer:
B. Cell
Explanation:
Order from smallest to most complex:
Cell - Tissue - Organ - Organ system.
Cells are the smallest. Multiple cells working together forms a tissue. Multiple tissues working together forms and organ. Multiple organs form an organ system.
Cell
Cells make tissue, tissues makes organs, organs make a system.
Dont give me a link please answer the question. I'm tired and i want to get this done so like keep the answer short and simple, please
If Pluto had not been demoted to a dwarf planet, what category of planet would it fall under? Explain your answer.
Answer:
The planet pluto originally was considered as a real planet until its demotion as a dwarf planet.
The reason it was demoted was because it was soon realized to not meet the three criteria of the International Astronomical Union used to define a full size planet.
So if pluto was not categorized as a dwarf planet than it would of just fallen under as a planet.
Explanation:
Not mine answer but it from purple6kabi
Answer:
The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet.
Explanation:
Light ray 1 strikes the smooth surface of a mirror as shown below.
**IMAGE BELOW**
Which of the following is the reflected ray for ray 1?
A) Ray 2
B) Ray 3
C) Ray 4
D) Ray 5
Answer:
The answer is D. Ray 5
Explanation:
Its because you have to angle the mirror so that it will reflect
Answer:
naw man its ray 2
Explanation:
Tell me something interesting about protozoa (at least 5 facts)
make it simple
Answer:
an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
Hello there!!
I love protozoa so this should be fun.
1. Protozoans are unicellular beings that live in wet environments.
2. Protozoans have 2 prevalent ways of feeding:
a) the most common is utilized by heterotrophs like amoeba. An amoeba extends its elastic body until it completely surrounds the victim. Then the amoeba simply has to digest its food.
b) The second most common is through cilia. Paramecia use this method. The hair-like cilia in its mouth catch hold of food and push the meal into the paramecium's digestive tract.
3) The only protozoan to have its own family is Euglena.
4) Euglena has its own family because it has chloroplasts (meaning it can undergo photosynthesis) but it can also feed like a heterotroph. Because Euglena exhibits both plant and protozoan qualities, it has its own category.
5) Rotifers move by two spinning wheels of cilia. This type of propulsion makes the rotifer a speedy little protozoan.
I hope this answers your question. :)
can octopuses regenerate teeth?
Before reading this section, had you ever thought of yourself
as a multicellular organism? How has this knowledge
changed the way you view yourself and other organisms?
Answer:
In Chapter 4, you learned about the characteristics of living things. Living things ... made up of only one cell is called a unicellular organism (Figure 1). Almost all ... multicellular organisms made up of trillions of cells. Scientists ... organism? How has this knowledge changed the way you view yourself and other organisms?
Explanation:
All the statements are correct with respect the two atoms placement on the Periodic Table EXCEPT –
During facilitated diffusion, molecules pass through the cell membrane with the help of?
- proteins,
- lipids,
- water
Answer:
proteins
Explanation:
i need info about hurricane maria (threes sentences)
Scientists group similar organisms together through a process called …..
Answer:
your answer would be taxonomy
Explanation:
This probably isn't much, but I LOVE science,
(please pick as Brainliest)
There are several microorganisms all around us, they all come in different shapes and sizes. It might be quite difficult to identify one organism from the other. To solve this problem scientists came up with a method of naming and grouping microorganisms into different categories, this method is known as TAXONOMY.
Taxonomy is the method of classifying different organisms into various groups. The scientist that first came up with this method is known as Carl Linnaeus. The different categories include; kingdom, phylum, class, order, family, genus, species.
Hence scientists group similar organisms together through a process called TAXONOMY.
Provide an example of how a genetic mutation could be positive, then explain how that mutation could cause a change in a population over time.
Answer: Some mutations happen during cell division, when DNA gets duplicated. But the mutations we hear about most often are the ones that cause disease. Some well-known inherited genetic disorders include cystic fibrosis, sickle cell anemia, Tay-Sachs disease, phenylketonuria and color-blindness, among many others.
!!!!!!PLEASE I NEED HELP ASAP!!!!!!WILL MARK BRAINLIEST!!!!!!!
Ficus leaves have a pointed end called a drip tip. A drip tip causes water that collects on the leaves to drain off. this keeps water from weighing down the leaves. In which environment would this adaptation be most useful?
A. a sandy, dry desert
B. rocky hills
C. forest with water fall
D. grassy plains
Answer:
C
Explanation:
A forest with rain fall is where the adaptation would be most useful since the leaves need it to not be weighed down by the often precipitation
Answer:
C
Explanation:
Please Help Me With Science
The Sun’s radius is about 100 times the radius of the Milky Way.
TRUE OR FALSE?
Answer:
TRUE.
Explanation:
(link to the quizlet study flashcards just incase you need them)
Which level of organization in the classification system is directly above the class level?
Domain
Family
Kingdom
Phylum
Brainliest for correct answer! :D
Answer:
Phylum
Explanation:
Kingdom, Phylum, Class, Order, Family, Genus and Species.
Answer:
Phylum, and kingdom is on top of Phylum
mark brainliest please :D
PLEASE HELP, ILL GIVE BRAINLIEST.
Answer:
Explanation:
i believe its c because the layers of smooth muscle allow the stomach to contract to mix and propel food through the digestive tract
C. to help churn the food and help break it down
In general, how are seasons in the northern hemisphere related to seasons in the southern hemisphere?
Answer:
the seasons in the northern hemisphere are the opposite of those in the southern hemisphere
answer the question plss and thank you.
Answer:
Definition: A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.
use it: molecules is in yours and my body
summarize: a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.
Picture it:
Sammie is using radiocarbon dating to determine the age of a sample of objects. Which best explains why radiocarbon dating can be used to determine the accurate age of these items?
A. They contain radioactive isotopes that decay at a constant rate.
B. They are made primarily of radioactive carbon that is easy to detect.
C. They give off radioactive isotopes when an electrical charge is applied.
D. They have been exposed to large amounts of radioactivity in the atmosphere.
Answer: I think the correct answer is A or B.
Explanation: But i highly suggest B
Radiocarbon dating is a feasibe method because the isotopes involved decay at a constant rate.
What is radiocarbon dating?The term radiocarbon dating refers to the use of carbon in the establishment of the age of a sample. This is usually done by the use of carbon -14 isotope.
The reason why radiocarbon dating can be used to determine the accurate age of these items is that they contain radioactive isotopes that decay at a constant rate.
Learn more about isotopes: https://brainly.com/question/365923
Why is having many sense organs an advantage for an animal?
Please help asap I'll give brainliest as well
Imagine you are a scientist who monitors some of North Carolina's trout streams. You find that one of the streams has a temperature of about 13°C during most of the day. However, everyday around 2 p.m., the stream briefly reaches temperature levels of 19°C. What should you do in order to preserver the water quality of this stream?
Answer:
With thousands of miles of trout water, North Carolina is a trout ... While some are private water, most of the stream mileage is ... If you want to start an argument among the trout-fishing ... backcountry camping, as opposed to one-day trips, is the way to go.
Explanation:
On the average, how much energy is lost from each trophic level? explain why
Answer:
I think it's 10% because some of it turns into heat energy
Explanation:
On average, about 90% of the energy is lost from each tropic level. The remaining 10% is available for the next trophic level.
The tropic level of the organisms is the position of organisms occupied in the food web. When an organism consumes other organisms as its food, the energy stored in the form of chemical energy in the organic molecules is converted into the energy used for cellular respiration.
This conversion is not efficient and the energy is lost in the form of heat. Some of the energy is used for growth and maintenance. While other energy is excreted.
Thus, when an organism consumed organic matter, 90% of the energy is lost and 10% of the energy is involved in the building of body tissues. This 10% of energy is passed to the next level.
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#SPJ4
You are tasked with identifying several rock samples. You are stumped by this sample. Your teacher has given you a hint. She tells you that it contains iron. You can now narrow your choices. But, you want to know if the rock contains hematite or magnetite.
Design a strategy to test what mineral is present.
A) Test to determine the hardness of the two samples; observe the colors.
B) Observe the shape of the crystals; observe the streak color from a streak test.
C) Observe the colors; do a streak test; see which sample is attracted to a magnet.
D) Observe the shape; determine the hardness of the two samples; observe the colors.
Answer:
I am prety sure C
Explanation:
Also how do you start a message with your friends?
Which choice best explains why scientists may use volunteers to help with an investigation?
A. Scientists have a large amount of data to collect.
B. Scientists must spend a lot of time creating graphs to analyze the data.
C. Scientists want to help volunteers learn more about the scientific process.
Answer:
c
Explanation:
well volunteers are use to help and learn so i think c is the correct answer
Darwin's finches are often used to illustrate evolution. Evaluate the finch beaks shown in the picture. Choose ALL of the statements that correctly explain the evolution of finch beaks.
A) As the environment changed, the finches grew longer beaks to allow them to get food out of fruits.
B) Finches with longer beaks settled on the same island with smaller beaked birds. Over time, they bred, producing medium beaked birds that became more common in the population.
C) There are finches with different types of beaks in the population. During a drought, those with shorter beaks are not able to find sufficient food and die, leaving them unable to reproduce and pass the trait on to offspring.
D) A random mutation introduced the shorter, thicker beak into the population. However, those with thinner, longer beaks were better able to get nectar from the island's flowers. Those birds with the shorter, thicker beaks were unable to get enough food to survive.
E) A disease swept through the island killing many of the insects that were common on the island, leaving the birds who ate insects from the ground starving. The finches that had thicker beaks and could get food from tree bark were able to continue to survive and reproduce, increasing this trait in the population.
Answer: It's C and E, got it wrong because of this kid so it's not A and D
Explanation:
one major contributor to global warming is an increased amount of carbon dioxide in the atmosphere. if the number of plants significantly increased then
A ) global warming might get worse because of the increase in carbon dioxide caused by plants
B ) global warming might be reduced because of the decrease in carbon dioxide caused by photosynthesis
C ) global warming might get worse because of the increase in oxygen caused by plants
D ) there might not be noticeable impact on global carbon dioxide levels
Answer:
B
Explanation:
Global warming might be reduced because plants take in carbon and give out oxgyen.