Answer:
The term pathogen came into use in the 1880s. Typically, the term is used to describe an infectious microorganism or agent, such as a virus, bacterium, protozoan, prion, viroid, or fungus. Small animals, such as certain kinds of worms and insect larvae, can also produce disease.
A pathogen is one of the terms used to describe an organism that causes diseases.
If this is incorrect, please, don't refrain to tell me. Thank you.
List one of the two ways you can measure enzyme activity.
Answer:
Biochemists usually study enzyme-catalysed reactions using four types of experiments:
Initial rate experiments. ...
Progress curve experiments. ...
Transient kinetics experiments. ...
Relaxation experiments.
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Answer:
Enzyme assays can be split into two groups according to their sampling method: continuous assays, where the assay gives a continuous reading of activity, and discontinuous assays, where samples are taken, the reaction stopped and then the concentration of substrates/products determined
Explanation:
Match the following terms to their definitions.
1. The epithelial membrane that lines the closed ventral cavities of the body.
2. The epithelial membrane that lines body cavities open to the exterior membrane.
3. Consists of keratinized stratified squamous epithelium.
4. Found lining the digestive and respiratory tracts.
5. Makes up the pleura and pericardium.
a. Cutaneous
b. Serous membrane
c. Mucous membrane
d. Endothelium
The matching of a term with respect to their definitions is as follows:
The epithelial membrane that lines the closed ventral cavities of the body is the Serous membrane.The epithelial membrane that lines body cavities opens to the exterior membrane is the Mucous membrane.Cutaneous consists of keratinized stratified squamous epithelium.The Mucous membrane is found in the lining of the digestive and respiratory tracts.The serous membrane makes up the pleura and pericardium.What is an Epithelial membrane?An epithelial membrane may be defined as a membrane that constructs from epithelial tissue attached to a layer of connective tissue.
There are three types of epithelial membranes:
mucous that contain glands.serous that secrete fluid.cutaneous that makes up the skin.Therefore, it is well described above.
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the role of _________ is to break down dead organisms, returning nutrients to the soil.
Answer: Decomposers
Explanation: Decomposers break down dead and decaying organisms, and return the nutrients to the soil for the plants.
out of 1200 students,960 in science,852in mathematics,120 failed in both subject and 84 did not appear in an examination.find the number of students who passed in both subject
Answer:
996
Explanation:
first we can take 84 out of the total of 1200 because they didnt even take a exam and then we can take 120 out of that because those are the students who failed which leaves us with 996 students who passed both subjects.
Mendel demonstrated which of the following about inherited traits? Check all that apply.
certain traits are more likely to appear than their alternatives.
some traits show blending inheritance.
traits segregate among the offspring of a cross.
traits can be hidden in some generations, but subsequently reappear unchanged in future
generations.
parents that both have the same trait can have offspring with an alternative trait.
Answer:
The correct answer would be -
certain traits are more likely to appear than their alternatives.
traits segregate among the offspring of a cross.
traits can be hidden in some generations, but subsequently, reappear unchanged in future generations.
parents that both have the same trait can have offspring with an alternative trait.
Explanation:
Mendel is known as the father of genetics for his tremendous work in the field of genetics by performing experiments on the pea plants which contribute to the make the law of inheritance. According to all three laws of inheritance and experiments performed by Mendel, he demonstrated inheritance patterns in the traits or the alleles inherited to the next generation.
Certain traits that are dominant are more likely to appear than their recessive alternatives. Trait segregates when gametes form during the cross. In heterozygous cases, some traits can be hidden but can reappear unchanged in future generations.
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Just ask 3-5 questions about climate change
Is the Sun causing global warming?
Is there a possible way to stop climate change?
Do scientists agree on climate change?
If there is a possible way to stop climate change, why don't we change it?
What do volcanoes have to do with climate change?
Answer:
What is the greenhouse effect?
Is it too late to prevent climate change?
What causes climate change?
Has the earth continued to warm since 1998?
Is it the ozone hole that causes climate change?
what happens as humans use more land for development
Answer:
What happens when humans use more land for development is that the air pollution gets bad, and there is over population. This also happens to destroy animal habitats.
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Jessica learns that two organisms are members of the same class. Which can she also infer is true?
The organisms are members of the same order.
The organisms are members of the same family.
The organisms are members of the same genus.
The organisms are members of the same phylum.
answer:
The organisms are members of the same family.
this is the answer.
Do different cells have different genes?
Answer:
(:
Explanation:
Different cells in a multicellular organism may express very different sets of genes, even though they contain the same DNA.
What is the main source of energy for the world
From the time a baby is born, what is she or he eager to do?
A. Explore her world and interact with others
B. Smile at her parents and primary caregivers
C. Sleep the majority of the time
D. Play with her parents, primary caregivers, and toys
Answer:
D. Play with her parents, primary caregivers, and toys
Answer:
D. Play with her parents, primary caregivers, and toys
Explanation:
The tall wetland plant, purple loosestrife, was brought from Europe to the
United States in the early 1800s as a garden plant. The plant's growth is now
so widespread across the United States that it is crowding out a number of
native plants. This situation is an example of
Answer: an unintended effect of adding a species to an ecosystem.
Assume these are the demographics of a small country in Asia:
1,989,897 ages 0-14
2,000,143 ages 14-45
498,251 ages 46 and older.
Would you expect the population of this country to increase, decrease, or remain stable in 20
years? Explain.
Answer:
Increases.
Explanation:
The population of the country is increases in the next 20 years because more number of children are born. As we can see the data, there are 498,251 people who will die in the next 20 years but at the same time about 2000000 people are born so less people are removed from the population while on the other hand, more number of people are added to the population which definitely increases the population of the country.
Chef Brandi suffered a bum on her arm when a kettle of spaghetti sauce exploded. The doctor, using a forceps, pulls on a hair within the
area that is burned. The hair easily pulls out. What degree of burn did the patient have?
Answer:
2degree burn
Explanation:
it has moist layer of skin and it affects the outer and middle layers of your skin the hair is present in human body . hope you find it useful
label the following parts of an animal cell
Why does DNA make a copy of itself during cell division?
A. To make sure that the two new cells can make the same proteins
as the parent cell
B. To make sure that the two new cells have slightly different genetic
codes
C. To carry amino acids out of the nucleus
D. To expose the genes that code for the needed proteins HELP FAST
Answer:
its A
Explanation:
I took the test
4.
Which of the following is not a negative impact of invasive species?
A.
There is decreased competition with native species.
B.
Native species are crowded out or replaced.
C.
The carrying capacity of the habitat is decreased.
D.
There is increased competition with native species
Identify an organism that the giant tortoise competes with
Answer:
Threats
Explanation:
The giant tortoise is threatened by introduced species to the islands, such as dogs and cats which prey on young tortoises, and cattle which compete for grazing vegetation.
what is the answer to 2x9?
Answer:
the answer to 2x9 equals 18
Answer:
18
Explanation:
you subtract two from 20
In the diagram of translation below find the mRNA (answer will be A-H).
Answer:
mRNA is E. It is the template used by the ribosomes to synthesize the protein.
Explanation:
What is helicase?
a protein enzyme that unwinds DNA for DNA replication
a carbohydrate that unwinds DNA for DNA replication
a deoxyribo sugar that unwinds DNA for DNA replication
Answer:
I think the answer would be A because it is an enzyme, not a carbohydrate or a deoxyribo.
What causes an air parcel to cool?
Answer:
A rising parcel of air expands because the air pressure falls with elevation.This expansion causes the air to cool. (I took help from book)
ATP is:
A protein that does work for the cell
A nucleotide that releases energy for use by the cell
A source of food that we eat
1 pts
Use your table of the genetic code to determine the amino acid that would be attached to the 3' end of
this molecule.
Answer:
AUG start codon methionine
Explanation:
What is number 16 please
Answer:
C
Explanation:
It's the closest one.
I am not to sure sorry
What is the answer to this question 11
Answer:
11 = multicellular ; autotroph
option D
hope it helps
Choose the correct answer.
The process of removing all the unwanted matter from sheared wool of an animals called ?
a) Carding
b) Grading
c) Scouring
d) Drying
2.which of the following leaves do Bombyx mori L silkworms feed on ?
a) mulberry
b) neem
c)mapple
d)all of these
Answer:
answer 1 shearing
answer 2 mulberry
Why is it difficult to develop antiviral medications?
Answer:
Answer:Designing safe and effective antiviral drugs is difficult because viruses use the host's cells to replicate. This makes it difficult to find targets for the drug that would interfere with the virus without also harming the host organism's cells.
Answer:Designing safe and effective antiviral drugs is difficult because viruses use the host's cells to replicate. This makes it difficult to find targets for the drug that would interfere with the virus without also harming the host organism's cells.Explanation:
Answer:Designing safe and effective antiviral drugs is difficult because viruses use the host's cells to replicate. This makes it difficult to find targets for the drug that would interfere with the virus without also harming the host organism's cells.Explanation:hope this help you.........
Perhaps one of the most famous cases of brain trauma and subsuquent brain trauma research was that of a man
named Phineas Gage. Gage was a railroad worker in the 19th century. One day he accidentally set off an explosive that
sent a metal rod through his skull. The picture above shows the rod's entrance through his left cheek bone and exiting
through his anterior frontal lobe of the brain.
Gage survived his accident but family, friends and co-workers noted he was a different man afterwards. What aspect of
Gage's life did the damage to the frontal lobe of his brain affect?
A)
his speech
B)
his vision
his personality
D)
his visual motor coordination
Answer:
his personality
Explanation:
Aspects of his personality were greatly affected. Before the accident, he was highly regarded as a devoted, caring, hard-working man. Afterwards, he was vulgar, nasty and irresponsible. His former employer refused to hire him after the accident due to the drastic change in his personality.
The frontal lobe is responsible for aspects of the human personality, along with decision making/reasoning, emotion, and memory formation.
What are the two types of glaciers? Explain them.