What is a subunit vaccine made from?

Answers

Answer 1

Answer:

Subunit vaccines are composed of a part of the virus particle responsible for inducing protective immunity. A subunit vaccine produced by recombinant DNA techniques would provide an efficient and inexpensive alternative method for the control of this commercially important disease.


Related Questions

Explain how conservation efforts have positively impacted ecosystems.​

Answers

Many ecosystems have been improved. When you practice conservation, it can have various positive effects, including bringing back endangered species. The ecosystems are being protected, and they have the opportunity to flourish.

Conservation efforts have played a crucial role in mitigating the loss of biodiversity, protecting ecosystems, and promoting sustainable development.

Conservation efforts have had several positive impacts on ecosystems. Firstly, the establishment of protected areas and conservation reserves has helped preserve and restore natural habitats, providing a safe haven for wildlife and plant species. This has led to the recovery of many endangered and threatened species, contributing to the overall biodiversity and ecological balance.

Conservation efforts also promote sustainable resource management practices. By implementing regulations and guidelines for fishing, hunting, logging, and other human activities, ecosystems are protected from overexploitation. This helps maintain healthy populations of species, prevents habitat degradation, and ensures the long-term availability of resources.

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Please help me with this one.

Answers

Answer:

Explanation:

just add what you think how to do it.

why have diseases and many other bacterial diseases decreased over the last 100 years?

Answers

In 1915, people were dying in large numbers from infections, but by 2015, the most common causes of death were related to cancer, heart conditions or external causes.

How do normal faults differ from reverse faults?​

Answers

Answer:

In a Normal Fault, the hanging wall moves downwards relative to the foot wall. They are caused by extensional tectonics. This kind of faulting will cause the faulted section of rock to lengthen. In a Reverse Fault, the hanging wall moves upwards relative to the foot wall.

Explanation:

Answer:

In a Normal Fault, the hanging wall moves downwards relative to the foot wall. They are caused by extensional tectonics. This kind of faulting will cause the faulted section of rock to lengthen. In a Reverse Fault, the hanging wall moves upwards relative to the foot wall.

Explanation:

I WILL MARK BRAINLIEST!!!!
Water has a “bent” geometry. Which explanation does not explain why?

A.Water’s oxygen has unbonded electron pairs that repel each other.
B.Water can form hydrogen bonds.
C.Electrons are evenly distributed in the water molecule.

Answers

Answer:

c i think

Explanation:

Answer:

C.Electrons are evenly distributed in the water molecule.

Explanation:

i need some help plz​

Answers

Answer:

C. A sperm fused w/ an egg

Explanation:

This is the definition of a zygote.

A. is a blastula.

B. is simply a gamete found in females.

C. is the answer.

D. is the placenta.

Which form of nitrogen is most abundant on earth? N2 (Atmospheric Nitrogen) NH3 (Ammonia) NO2- (Nitrite) NO3- (Nitrate)

Answers

Answer:

N2 (Atmospheric Nitrogen)

Explanation:

Nitrogen is a chemical element positioned as 7 on the periodic table. Nitrogen is found as a gas in the atmosphere (N2) and constitutes the most part of the air making it the most abundant gas on Earth.

Atmospheric nitrogen (N2) is the most abundant of its form found on Earth. It can be converted to its compound form e.g. nitrates (a plant usable form) by lightning and some bacteria in the soil.

Describe the role of ATP

Answers

Answer:

the main role of ATP is to provide energy

Explanation:

Which is a result of selective breeding?
a. Large seedless watermelons that consumer demand.
b. Oranges that are all different sizes and colors.
c. An insect that can carry ten times its body weight.
d. A bird that catch prey with its beak.

Answers

Answer:

a. Large seedless watermelons that consumer demand.

Explanation:

The Large watermelons are bred based on consumer demand.

A. Large seedless watermelons that consumer demand.

This is because many people don’t want seeds in their watermelon so they select the ones that don’t have as many seeds and then breed them and keep doing that and it leads to seedless over time.

The chemical equation below summarizes the burning of a fossil fuel.
Fossil fuel + oxygen gas →
+ water + heat
Which substance belongs in the blank in the equation?
O A. Lactic acid
O B. Carbon dioxide
O C. Nitrogen
D. Ammonia

Answers

Answer: B. Carbon Dioxide

Explanation:

Fossil fuel can release methane and other hydrocarbon. The reaction is processed between methane and oxygen in the air. When this reaction takes place the result is Carbon dioxide, water, and lots of energy (heat)

Hope this helps!

During meiosis, homologous chromosomes exchange genetic
material. This exchange of genetic material -

Answers

Increase genetic variation

ASAP!! HELP PLEASE!! I WILL MARK YOU BRAINLIEST!!!
What do plants and phytoplankton have in common?
a
live on land
b
are consumers
c
use photosynthesis
d
use chemosynthesis

Answers

Answer:

C

Explanation:

Im not 100% sure but I'm almost 100% sure thats the answer

Answer:c

Explanation:

Google


What are the possible outcomes of combining a
lower with green leaves (GG) and green/red leaves
Gg) with a Co-Dominance relationship?

a. 3 Flowers with green leaves and 1 with red leaves

b. 2 Flowers with green leaves and 2 flowers with green/red leaves

c. 2 Flowers with green leaves and two flowers with 2 red leaves

Answers

Answer:

im guessing green is dominant

Explanation:

Two green leaves, two green/red leaves

A group of tissues that join together to perform a specific function is___?​

Answers

Answer:

An organ

Explanation:

Answer:

An organ

Explanation:

Which of the following is a nonrenewable resource?
A. Solar
O B. Biomass
O C. Petroleum
D. Hydropower

Answers

Answer:

C.

Explanation:

answer is c) petroleum

When did Cherokee pepole first interact with Europeinanes
A. The 1500s
B. The 1600s
C. The 1700s
D. The 1800s

Answers

Answer:

mr_rodgers_history_distance_learning_week_3_answer_key.pdf

Explanation: Is this the quiz you're taking?

Alice is studying biological molecules. She has isolated a molecule and identified the nucleotide bases adenine, cytosine, guanine, and thymine. Which molecule did Alice isolate?

Answers

Answer:

DNA

Explanation:

I know this from learning it in school

1pt Which of the following cells would be produced by meiosis?
A. a heart cell
B. an eye cell
C. a sperm cell
D. a skin cell

Answers

Answer: c

Explanation:

because meiosis produces our sex cells

This is a curved, pointed appendage, found at the end of a toe or finger in most mammals, birds, and some reptiles. It is often used to refer to the hooked structures found on arthropods.

Answers

Answer:

Claws

Explanation:

I was doing the test

Which fuel source gives energy to all the activities of cells in all organisms on earth?

glucose

DNA

ATP

protein

Answers

Answer:

ATP

Explanation:

Answer:

ATP (adenosine triphosphate)

How does an enzyme influence a chemical reaction?

Answers

Answer:23

Explanation:yes it is

“Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate”.

Water as deep as ___ is still affected by the wind at the Earth’s surface
A) 60 m B) 250 C) 400 m D) 700 m

Answers

A) 60m

Wind can affect water up to 100m (325 feet) in depth.

Matter are anything that is made up of atoms. The quantity of matter can be observed only on the basis of mass and volume calculation. Therefore, the correct option is option A.

What is matter?

Matter is a substance that has some mass and can occupy some volume. The matter is mainly used in science. Matter can be solid, liquid or gas.

Matter is anything that is made up of atoms. Anything around us that can be physically seen and touched are matter. Ice, water and water vapors are example of matter.

So as we saw that matter has some mass so mass can be measured in gram only. Mass can also be represented as number of molecules. We also saw that matter occupy some volume and that volume is measured only in liter. Water as deep as 60 m is still affected by the wind at the earth’s surface.

Therefore, the correct option is option A.

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Information related to the organisms found on Earth during
various geological time periods is represented in the accompanying
chart.
OOEEOC 0-0 C-E
2525
-Edw-
4.6 (?) Billion
600 Million
200 Million
60 Million
Years Ago
Years Ago
Years Ago Years Ago
Precambrian
Paleozoic
Mesozoic Cenozoic
(Simple
(Age of Amphibians, Fishes, (Age of Reptiles) (Age of
Multicellular
and Invertebrates)
Mammals)
a organisms and
First Protists)
Past
Present
Geologic Time
Which statement concerning the first appearance of the organisms
over the time period represented in this chart is most likely
correct?

Answers

Answer:

D

Explanation:

Choose all the answers that apply.

In a balanced ecosystem the number of _____.

producers is greater than the number of consumers
consumers is greater than the number of producers
primary consumers is greater than the number of secondary consumers
secondary consumers is greater than the number of tertiary consumers
tertiary consumers is greater than the number of primary consumers

Answers

producers is greater than the number of consumers

Answer:

primary consumers is greater than the number of secondary consumers

secondary consumers is greater than the number of tertiary consumers

producers is greater than the number of consumers

Explanation:

Which of the following statements is accurate?
Choose 1 answer:

A Species Y and Species Z can
interbreed.

Species A and Z share a recent common ancestor.

Species A and Species Y are the same.

Species X evolved from Species Y.
Stuck? Watch a video or use a hint.
Reporta problem​

Answers

Answer: Species A and Species Y are the same

Explanation: Good luck! :D

How do organisms get the energy they need?
Group of answer choices

A)Plants break down the glucose they produced in photosynthesis, and animals get energy from eating other organisms

B)Plants do not require energy because they do not move, and animals get energy by performing exercise

C)Plants get energy from fertilizers, and animals get energy by drinking water

D)Plants get energy from glucose produced in the soil, and animals get energy directly from sunlight

Answers

Answer:

The answer is A

Explanation:

Plants use photosynthesis to create oxygen and glucose from carbon dioxide in the chloroplast and animals get some of this energy by eating the plants (look up Energy Pyramid for more examples)

A researcher attempts to use a segment of ribosomal RNA as a molecular clock to calculate the date of the last common ancestor of two species. He finds that the two species diverged from a common ancestor 150 million years ago. These particular species have abundant fossil records that strongly suggest that these species diverged 100 million years ago. Which of the following answer choices best describes a reason for the discrepancy in the date of the last common ancestor of these species?

A. Ribosomal RNA is not a reliable molecular clock and should not be used for dating.
B. The neutral mutation rate used in calculating the last common ancestor date may not have been accurate.
C. It is highly likely that the two organisms did not share a common ancestor, so the results are invalid.
D. A large portion of the ribosomal RNA is not vital to survival, so it is not likely to be well preserved.

Answers

Answer:

B

Explanation:

It is B because the mutation rate should not have been accurate if it showes that they diverged 150 million years ago. But the abundant fossil records show that it diverged 100 million years ago.

Hope this helps:)

Ribosomal RNA is not a reliable molecular clock and should not be used for dating.

What is molecular docking?In structural molecular biology and computer-assisted drug design, molecular docking is an important technique. The purpose of ligand-protein docking is to anticipate a ligand's most common binding mode with a protein having a known three-dimensional structure.What is dating? Carbon dating is used to determine the age of ancient material such as an archaeological or paleontological specimen .

A molecular clock estimates how long it has been since similar species separated from a common ancestor based on DNA sequences (or the amino acid sequence of proteins encoded by DNA).

Hence, the correct option is A.

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How do automatic stabilizers help counter the ups and downs of the business cycle ?

Answers

Automatic stabilizers are any part of the government budget that offsets fluctuations in aggregate demand. They offset fluctuations in demand by reducing taxes and increasing government spending during a recession, and they do the opposite in expansion

how does cell division prove the cell theory

Answers

Answer:

1 splits into 2

Explanation:

Which statements correctly describe Arizona’s legislative branch? Check all that apply.

The House is made up of 30 members.
The Senate is made up of 30 members.
The House has 16 standing committees.
Bills passed by the House go directly to the Governor.
Members are elected by Arizona’s citizens.

Answers

The very last one would be correct

Answer:

b. The Senate is made up of 30 members

c. The House has 16 standing committees

e. Members are elected by Arizona's citizens

Explanation:

got it 100% right on EDGE 2021

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Write the expanded form of h(3k-12.4) Jonas stared at the flat, colorless sky,bringing blue from it, and remembered sunshineuntil finally, for an instant, he could feel warmth.He stood at the foot of the bridge thatspanned the river, the bridge that citizens wereallowed to cross only on official business. Jonashad crossed it on school trips, visiting theoutlying communities, and he knew that the landbeyond the bridge was much the same, flat andwell ordered, with fields for agriculture. Theother communities he had seen on visits wereessentially the same as his own, the onlydifferences were slightly altered styles ofdwellings, slightly different schedules in theschoolsHe wondered what lay in the far distancewhere he had never gone. The land didn't endbeyond those nearby communities. Were therehills Elsewhere? 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What do these negroes know bout corn shuckings, and log rollings, and house raisings? Marse Spence used to let his negroes have candy pullings and syrup making time, and the way we would dance in the moonlight was something these negroes nowadays know nothing bout.adapted from the narrative of Lula Flannigan (78 years old), 1937Based on her account, which of these is most likely true about Lula Flannigan? A. She did not have a difficult life as a slave. B. She worked in the cotton fields as she grew up. C. She lived longer as a slave than as a free person. D. She was never actually a real slave. A cube has a surface area of 150 square inches (in)What is the area, in square inches, of one face of the cube?A) 50 in 2B) 5 in2C) 37.5 in 2OD) 25 in2 Picayune company purchased 40,000 of Stewart Company's 100,000 shares for $400,000 on 1/1/X1 when Stewart's equity consisted of $500,000 capital stock and $500,000 of retained earnings. An appraisal of Stewart's assets failed to identify any mis-valued assets. Picayune designated the Investment as a fair value investment. During year X1, Stewart earned a $100,000 net income and paid $50,000 of dividends. On 12/31/X1, Stewart's stock traded at $10.20 per share. How much investment income should Picayune recognize in year X1? Find the area. Will mark brainliest. what is a Rube Goldberg machine and show me a pic? PLEASE. Fermentation produces ___ ATP, which cell Respiration produces well over 30 ATPA. 40B. ZeroC.2D.10 What did robert e. Lee accomplish at the second battle of bull run? A. He invaded the North for the first time. B. He killed General Johnston. C. He defended Richmond from near invasion by the Union forces. D. He drove the Union soldiers out of Northern Virginia. use the figure to help you explain the statementThe base(b) of a triangle is ----------inchesThe height (h) of the triangle is--------inchesThe area of a triangle is ------- Square inches The area of the rectangle is ------ Square centimetershelp fassstttt What is the connotation of these phrases from the Hamilton song, Non Stop?Even though we started at the very same time, Alexander Hamilton began to climb write here-Why do you always say what you believe? Evry proclamation guarantees free ammunition for your enemies! Write here-Are these connotations negative or positive? How do we know? Answer here... Your three-year-old niece is upset that you have a bigger cookie than she does. You calm her down by breaking her cookie in half and pointing out that she now has two cookies to your one. You were able to convince her of this because she has not yet developed the theory of _________. A sphere with a radius of 11 in