Answer:
Bacteria is a type of micro-organism and is also a prokaryote. These organisms can only be seen using a microscope. Some bacterias are harmful while some are helpful for human daily lives, such as probiotics, and are necessary for life. They have simple cell structures as there is no nucleus or membrane-bound organelles. Bacterias can be found in soil, water, plants, animals, etc. They can cause diseases such as Tuberculosis etc. Due to some diseases being caused by bacterias, doctors prescribe Antibiotics which has the ability to stop the activities in bacterial cell that causes it to lose its protective outer covering and completely stops it from multiplying.
Answer:
Bacteria are among the smallest living things. A single bacterium consists of just one cell, and is called a single-celled, or unicellular organism.
Even though it is just a single cell, it can carry out all seven life processes (movement, respiration, sensitivity, growth, reproduction, excretion and nutrition).
What is an alternative stable state? the first species to grow after a severe disturbance after a disturbance, a stable community forms that is the same as the previous community after a disturbance, a stable community forms that is different from the previous community an evolutionary concept that describes how biomes can change over time due to variable weather conditions
Answer:
In biomes the species community undergoes certain changes in evolution and growth in order to reach the climax.
Explanation:
An alternative stable state is one which suggests the discrete states are sperate by an ecological threshold and in opposition to the ecosystem that is changing and thereby stating that the ecosystem can exist in a variety of alternative state. The first species after origin grows develops and then declines. This community of species may be disturbed in middle such as by a fire or flood and forms the secondary community which is more diamine and resistant. The changes are known as seres in biomes.HELP PLEASEEE!!!
Identify the steps of the lytic cycle.
The pieces made in replication are
assembled to complete the new virus
particles.
The new viral nucleic acid and viral
proteins are replicated.
The virus attaches to the host cell.
The original virus releases a protein that
causes the cell wall to burst (lysis), killing
the cell and releasing viruses.
The host's DNA is disassembled and the
virus takes over the call's motoholi
Answer:
Explanation:
During the lytic cycle, bacteria takes over the cell, reproduces new phages, and destroys the cell. It works in 5 phases
1. The virus or phage attaches itself to the cell
2. The phage enters the cell
3. Biosynthesis- Phage DNA replicates and makes phage proteins
4. New phage cells assemble
5. The cell lyses emerge with a new plague
Answer:
TRUST ME!
Explanation:
C
B
E
D
A
¿El agua es un compuesto formado por moléculas de hidrogeno y oxigeno; dicho compuesto es un tipo de enlace?
Answer:
Cómo se unen los átomos en la molécula de agua? ... Los dos hidrógenos están unidos al oxígeno por enlace covalente, que es un enlace bastante fuerte y estable en el que los átomos implicados comparten pares de electrones.
Biodiversity refers to numbers of species. What difference in biodiversity would you expect between an undisturbed wetland ecosystem and one that has been partially drained and replaced with farmland?
The populations of some organisms have increased due to human influence, while the populations of others have decreased. What difference in biodiversity would you expect between an undisturbed wetland ecosystem and one that has been partially drained and replaced with farmland? The wetland would have more biodiversity.
Nucleic acids are biomolecules that create
O DNA and RNA
O glucose
O cholesterol
O hormones
Answer:
Nucleic acids are naturally occurring chemical compounds that serve as the primary information-carrying molecules in cells and makeup the genetic material. Nucleic acids are found in abundance in all living things, where they create, encode, and then store information of every living cell of every life-form on Earth.
What is a truck's acceleration if the net external force on the truck is 560 N and it has a total of mass of 1000 kg?
Answer:
0.56m/s²
Explanation:
The above is the correct answer.
Force = mass x acceleration = mg
⇒ F = mg
where F = 560 N, m = 1000kg
∴ g = F/m = 560/1000 = 0.56
∴ acceleration, g = 0.56m/s² (answer)
Force is known to be a push or a pull which actually puts a body to motion or brings a body to rest. It has to do with the interaction between bodies.
Which organism is an animal-like protist?
cilia
dinoflagellate
amoeba
truffle
Answer:
✅ C. amoeba
just took the test
The organism that is an animal-like protist is the amoeba.
What are amoebas?Amoebas are a group of single-celled organisms belonging to the phylum Amoebozoa. They are classified as protists, which are a diverse group of eukaryotic microorganisms that do not fit into the categories of plants, animals, or fungi.
Amoebas are characterized by their ability to move and change shape through the use of pseudopodia, which are temporary extensions of their cell membrane. These extensions allow amoebas to engulf and surround their food, typically consisting of bacteria, algae, or other small organisms.
Amoebas are single-celled protists that move using pseudopodia, which are temporary extensions of their cell membrane. They are classified as animal-like because of their ability to move and capture food in a similar manner to animals. Amoebas belong to the phylum Amoebozoa and are commonly found in freshwater and soil environments.
The correct answer is amoeba.
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Igneous rocks are formed ____________.
A. when magma cools and solidifies
B. when the minerals in metamorphic rocks become calcified
C. by extreme temperatures and pressures
D. when the minerals in sedimentary rock react with acidic compounds in the ground
Which of these
describes
humoral immunity?
A. the binding of antigen and antibody triggering a response of
plasma and memory b-cells to attack
B. t-cells and macrophages fighting infected cells that are non-self
or cancerous
C. our body remembering pathogens it has fought off or learning
from vaccines
D. obtaining immunity from an outside source, like mother to baby
According to the research, the binding of antigen and antibody triggering a response of plasma and memory b-cells to attack describes humoral immunity.
What is humoral immunity?It is the immune response mediated by specific antibodies designed to eliminate extracellular pathogens and prevent the spread of intracellular ones.
Antibodies are specific proteins synthesized by plasma cells, the immediate progenitors of these cells are memory b-cells that are capable of reacting with foreign molecules to the body, called antigens.
Therefore, we can conclude that according to the research, the binding of antigen and antibody triggering a response of plasma and memory b-cells to attack describes humoral immunity.
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Answer:
A.
Explanation:
It worked for me.
Which of the following is the
compound of the chemical
formula NO?
A. Nitrate
B. Nitrogen gas
C. Ammonia
DNA Is made up of series of boned together. These subunits are made of three separate parts: a base, a sugar, and a phosphate group. What are the subunits called?
A. Nucleic acids
B. Nucleotides
C. Deoxyribose
D. Cytosine
Why did heating the water affect the surface? I need help my mother is making me di science and im so confused :( I doubt this is biology..
Changes in the surface temperature heat or cool the air above, which leads to air movement (wind). Solar heating of the Earth's surface is uneven because land heats faster than water, and this causes air to warm, expand and rise over land while it cools and sinks over the cooler surfaces.
Which percentage is closest in value to 0.0201?
Answer:
2.01%
Explanation:
Multiply 0.0201 by 100 to get 2.01%.
Why are there many separate ecosystems in a rain forest? A. There are three different seasons in a rain forest . B. Rain forests have very few primary consumers.C. Different conditions support different organisms.D. There are three levels of consumers in rain forests.
Answer:
C. Different conditions support different organisms
A book that weighs 20 N sits on a table. How big and in what direction does the force of gravity from the Earth act on the book?
A. 20 N down
B. 20 N up
C. 10 N down
D. 10 N up
Two astronauts are floating in space far away from any planets or stars. What is the direction of the gravitational force that they experience, if any?
2 astronauts floating a few feet apart in space.
A. They do not experience a gravitational force because there is no large object nearby.
B. Away from each other because they are pulled by distant planets and stars.
C. Toward each other, because there is a gravitational force between them.
D. They experience a gravitational force, but its direction cannot be determined.
If the net force acting on a stationary object is zero, then the object will
A. remain at rest.
B. decelerate at a steady rate of speed.
C. begin moving backwards.
D. accelerate in the direction of the strongest force.
A 2 kg cat is stuck in a tree 10 m above the ground. How much GPE does it have?
A. 250 J
B. 20 J
C. 150 J
D. 200 J
Friction typically __________ objects.
A. Slows down
B. Doesn't affect
C. Speeds up
D. Destroys
A toy mouse has a mass of 2 kg and kinetic energy of 25 J. What is its speed?
A. 5 m/s
B. 4 m/s
C. 3 m/s
D. 6 m/s
What was the initial speed of a car if its speed is 40 m/s after 5 seconds of accelerating at -4 m/s2?
A. 25 m/s
B. 20 m/s
C. 50 m/s
D. 60 m/s
Suppose a car is moving in a straight line and steadily increases its speed. It moves from 35 km/h to 40 km/h the first second and from 40 km/h to 45 km/h the next second. What is the car’s acceleration?
A. 40 km/h/s
B. 10 km/h/s
C. 5 km/h/s
D. 35 km/h/s
Planets A, B and C are identical. A and C have a giant moon orbiting them, while B has a lightweight artificial satellite orbiting it, as shown in the diagram. Which planet has the strongest gravitational interaction with its satellite?
Planets A, B, and C are all identical. Planet A has a moon orbiting closely to it. Planet B has a small artificial satellite orbiting closely to it. Planet C has a moon orbiting far from it. Planet C
A. Planet A, because its moon is heavy and close to it.
B. Planet C, because it can interact with a heavy object that is far away.
C. Planet B, because only a lightweight object can orbit without falling down.
D. All have the same gravitational attraction, because the planets are all the same mass.
If the mass of an object were to be cut in half, what will happen to its GPE?
A. Not enough info
B. Disappear
C. Halve
D. Double
What is the reaction force for the apple falling to the ground while it is still in the air?
A. Apple pushes down on the ground.
B. Ground pushes up on the apple.
C. Apple pulls up on the Earth.
D. Earth pulls down on the apple.
Answer:
1. A
2. C
3. A
4. D
5. A
6. B closer to 4 than 3
7. A
8. C
9. A
10. C
11. C
The circulatory system is like a one-way traffic system. Describe two different routes by which blood in the left side of the heart can get to the right side of the heart.
Answer:
to the right ventricle and the right lung
Explanation:
hope this helps
Two different routes by which blood in the left side of the heart can get to the right side of the heart in circulatory system are the right ventricle and the right lung
what is circulatory system ?The circulatory system is involve in for delivering nutrients, oxygen, and hormones and removing waste from the body.
The major components are the heart, blood, and blood vessels.
The heart is a muscular organ present in the chest pumps blood continuously around the body through the network of blood vessels.
The heart ensures every cell of the body receives nutrients and oxygen through the blood.
Blood is a fluid connective tissue, the major types of cells are red blood cells, white blood cells or leukocytes, and platelets or thrombocytes.
The function of blood include transporting oxygen and nutrients, removing waste, protecting our immune system, and maintaining homeostasis.
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asexual reproduction can be a disadvantage to a population if
Answer:
it can be a disadvantage to population because it produces many offsprings which can lead to high increase in population.
IN YOUR OWN WORDS, what is the definition for Down Syndrome?
Answer:
A common birth defect that is usually due to an extra chromosome 21( trisomy 21) .
List and explain the steps in the process of scientific inquiry.
The scientific method has five basic steps, plus one feedback step:
1. Make an observation.
2. Ask a question.
3. Form a hypothesis, or testable explanation.
4. Make a prediction based on the hypothesis.
5. Test the prediction.
6. Iterate: use the results to make new hypotheses or predictions.
Asexual reproduction results in offspring being genetic material being...... to the parent organism
a) mitosis
b) diverse
c) identical
d) mutated
When two plants, both tall, were crossed, they produced some offspring that were dwarves. Assuming that the height of the plant is controlled by a single gene and the allele for the tall plant is dominant, what is the genotype of the parents? A. TT and TT B. TT and Tt C. Tt and tt D. Tt and Tt
Answer:
B for plato users
Explanation:
If both plants are tall and produce some offspring that are dwarfed, it indicates that both parents must have been heterozygous for the height gene. The genotype of the parents is most likely Tt and Tt. Hence option D is correct.
What is a genotype?A genotype is the genetic makeup of an organism, which is determined by the combination of alleles (different forms of a gene) inherited from its parents. Genes are located on chromosomes and each individual has two copies of each gene, one inherited from each parent.
The genotype of the tall plants could be either homozygous dominant (TT) or heterozygous (Tt), as both genotypes would result in a tall phenotype.
Therefore, the possible genotypes of the parents are:
Tall plant 1: TT or Tt
Tall plant 2: TT or Tt
If we assume that both plants were heterozygous (Tt), then the Punnett square for the cross would be:
T t
T TT Tt
t Tt tt
As we can see, there is a 25% chance of producing dwarf offspring (tt) when two heterozygous plants are crossed. This result matches the observation in the problem, so the genotype of the parents is most likely Tt and Tt (option D).
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why glucose need to returned to the blood
How does random mating keep a
population in Hardy-Weinberg
Equilibrium?
A. Choosing a random mate creates variation which helps
the population evolve.
B. Individuals choose their mates causing only certain
traits to be passed on.
C. Mates aren't chosen based on traits so all alleles are
equally likely to be passed on.
D. When all the females of a population randomly choose a
mate and only certain alleles get passed on.
Answer:
A
Explanation:
What is life please explain
Answer:
the existence of an individual human being like you and me and all of us life can also add up animals
how does the presence of an acid in a water solution affect the pH of the solution
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Which is an important difference between light-dependent (L-D) and light-independent (L-IND) reactions in photosynthesis?
Answer:
The L-D reactions require light energy and water, and the L-IND reactions require ATP, NADPH and CO2.
Explanation:
How was skin made if life is made from dna and rna then how was skin or flesh formed
Answer:
This is a really good question.
Explanation:
Looking it up now.
1. What is another name for artificial selection?
genotypic selection
kin selection
selective breeding
adaptive evolution
Answer:
selective breeding
Explanation:
Artificial selection is also known as selective breeding
If a mutation occurs in the coding sequence of a gene, what types of
issues might happen?
Select one:
A) All of these answers.
B) The gene could be expressed in the wrong cell.
C) The gene could be unaffected.
D) The gene could be permanently broken.
Answer:
A
Explanation:
It will be all because of the fact that mutation does sometimes harm the genes and cells so any types of issues might happen
An individual with two different versions of a gene is genetically ____________ . In traits with a simple pattern of inheritance, only the trait conferred by the ____________ form of the gene will be visible. The other form of the gene is ____________ : it confers a trait that is only visible when the individual is genetically ____________ , or has two identical copies of the gene.
Answer:
heterozygous; dominant; recessive; h.o.mo-zygous
Explanation:
Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.
In Genetics, co-dominance can be defined as a phenomenon in which two (2) alleles of the same gene are present in a living organism and both are equally expressed to a degree or simultaneously.
This ultimately implies that, co-dominance is a phenomenon that typically involves the relationship between alleles i.e the two (2) versions of a gene present in living organisms. Also, a single version of a gene expressed by a living organism is referred to as an allele.
Trait can be defined as a distinguishing quality or characteristic of a living thing.
Simply stated, a trait refers to the specific features or characteristics possessed by a living organism. It is essentially transferred from the parent of a living organism to her offspring and as such distinguishes him or her.
Some examples of traits in genetics are colorblindness, handedness, curly hair, height, complexion, weight, hair color, dimples, tongue-roll, etc.
In Genetics, when an individual has two (2) different versions of a gene, he or she is said to be genetically heterozygous.
In traits with a simple pattern of inheritance, only the trait conferred by the dominant form of the gene from the parent organism will be visible in the offspring of a living organism. The other form of the gene is recessive : it confers a trait that is only visible when the individual is genetically , or has two identical copies of the gene.
