retroviruses - Examples of RNA viruses are Cvid-19 or the virus that causes __

Answers

Answer 1

Answer:

The retrovirus known as human immunodeficiency virus (HIV) causes acquired immunodeficiency syndrome (AIDS) in humans.

Explanation:


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Study this diagram of a flowering tree's life cycle. What is the error in the diagram?
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stage 1
stage 2
Life Cycle of a Tree
stage 5
stage 4
stage 3
A stage 1
B. stage 2
C. stage 3
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A
52

Answers

Answer:

3 because why not answering

in plants the fertilized egg develops into a multicellular _________ within a female gametangium.

Answers

Answer:

Once fertilization has occurred, the embryo develops within the female gametophyte, and the ovule becomes the seed, complete with a food source (the gametophyte tissue) and a seed coat (the integument).

Which of the following statements is true about the role of water in cellular respiration?

Answers

Answer:

The correct answer is " It is one of the ending compounds."

Have a good day!

Explanation:

In aerobic cellular respiration oxygen binds with a hydrogen atom to form H2O and mitochondria making oxygen the final electron acceptor and H2O the final compound formed

The amount of available ______ limits the number of trophic levels in a community.
help!!!!

Answers

resources :) take care

the human lineage began to diverge from those of other primates about

Answers

C. 6 million years ago

−6 = b/ 18

i am having trouble doing this problem i dont understand it

Answers

Explanation:

-6 can only be changed by a negative so if -6=b/18 Question what is b? b=18 so it's actually or can be -6=b18

are water hyacinths still a problem till this day in the us?

Answers

water hyacinths still a problem till this day in the us

the answer is yes !!!!

water hyacinths also known as Pontederia crassipes considers as most  the worst aquatic weed in the world.

They are the fastest growing weed that allowed the plant to build huge populations in its ranges of introduction. They develop dense mats on the surface of the water and becoming a major weed problem.

due to their dense layering in  the surface the sun light cant travel properly in the water and the consumption of oxygen is also taken up by them hence it result the lack of oxygen in the water.

in BENGAL it is also known as the "terror of Bengal"

The properties of water are the result of multiple factors including; polarity and hydrogen bonding. Which property of water is not a result of polarity?

A.Water dissolves salts and sugars.
B.Water will become less dense when frozen.
C.Water is transparent and lets sunlight pass through.

D.Water will from a spherical bead due to surface tension

Answers

I honestly don’t know ok leave me alone

Water is transparent and lets sunlight pass through. Therefore, the correct option is C.

Water's transparency and ability to pass through sunlight is not just a product of its polarity. This is mainly because water absorbs only specific wavelengths of light, particularly those in the visible spectrum, while allowing other wavelengths to pass through. Rather than being a direct result of polarity, this property is related to the electrical structure of water molecules and their interactions with light. On the other hand, the interplay of water polarity and hydrogen bonding is the reason for the A, B and D properties, respectively.

Therefore, the correct option is C.

Learn more about water, here:

https://brainly.com/question/28465561

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plz help math It involves a graph and something I don't understand all I know is that it involves numbers if you answer this just for the points and if it is not a real answer for example (I'm just her for the points) you will be reported. Thank you but plz do help

Answers

Answer: These are the two equations graphed.

Which of the following about the biosphere is true?
a. It only interacts with the atmosphere.
b. It includes oceans, lakes, rivers, and groundwater
c. It can be considered a global ecosystem.
d. It includes the core, mantle, and crust.

Answers

Answer:

c. it can be considered a global ecosystem

Answer:

C. It can be considered a global ecosystem

Explanation:

egde 2022

Choose all of the items needed to complete a circuit ​

Answers

The items needed to complete a circuit include the following:

Wire BatteryLoadSwitch

Functions of the parts of a Circuit.

The wire helps in the distribution of the electric current from the power

source in order to ensure it gets to the load.

The battery contains compounds which is responsible for providing the

energy required to power up the load.

The load could be a bulb, fan etc and is the final destination of the electric

current. The electric current powers up the load and makes it functional.

The switch helps to regulate the flow of electric current and has an 'on and

off button' to prevent energy wastage when not in use.

Read more about Circuit here https://brainly.com/question/2969220

In your own words, what is a trophic cascade?

Answers

Answer:

A trophic cascade is a side-effect when a trophic level (species) of the ecosystem is reduced or removed. Their ecological species interactions keep entire ecosystems balanced. Hence, suppressing their numbers or changing their behavior due to predation risk, results in an ecological imbalance or a trophic cascade.

Explanation:

BRAINLIEST PLEASE ;)

Answer:

Tropic cascades in an eco-system is when a prey changes its behavior due to the predators attacks, thereby increasing in numbers indirectly for the survival of the predators.

Identify the tree main parts of the model, and the four spheres that are used to organise concepts in two of these parts?

Answers

Answer:

Lithosphere, hydrosphere, atmosphere

Explanation:

The name of each of these sphere come from the Greek word that describe what they are made of ,Geo, for ground, hydro for water,bio

What is a nucleotide?

A) a monomer made of an adenosine triphosphate, a phosphate, and a sugar
B) a DNA segment
C) a monomer made of a 5-carbon sugar, a phosphate group, and a nitrogenous base
D) a polymer made of DNA and RNA

Answers

Explanation:

Nucleotides are organic molecules consisting of a nucleoside and a phosphate. They serve as monomeric units of the nucleic acid polymers – deoxyribonucleic acid and ribonucleic acid, both of which are essential biomolecules within all life-forms on Earth.

Which food would be best for a child who has weak teeth and bones? (according to the table)
Food: ________
Explanation: _____________________________________________________________________________________________________________________________________________________________________________________________________________

Answers

Answer:

Milk

Explanation:

It contains High calcium which will help to strengthen the teeth and bones of said child

milk because of the benefits from calcium

explain how the structure and the function of squamous epithelium in the lung are important for gas exchange​(4 marks)​

Answers

Squamous cells area one single layer and flattened, this allows for diffusion of oxygen and carbon dioxide to happen easily in the lungs.

What planets have solid surfaces, few to no moons, and no ring systems? *

Answers

Answer:

Saturn. Saturn's rings are the most extensive ring system of any planet in the Solar System, and thus have been known to exist for quite some time. Galileo Galilei first observed them in 1610, but they were not accurately described as a disk around Saturn until Christiaan Huygens did so in 1655.

Explanation:

That's right, Venus (and the planet Mercury) are the only two planets that don't have a single natural moon orbiting them. Figuring out why is one question keeping astronomers busy as they study the Solar System.

What is the name of the column of neurons within the medulla that initiates neural impulses for inspiration and expiration

Answers

The ventral respiratory group (VRG)

PLEASE HELPP!!!!
Which process does osmosis involve?
A. movement of solute up a concentration gradient
B.movement of solute across the cell membrane
C. movement of water across a cell membrane
D. movement of water up a concentration gradient

Answers

Answer: c

It says the answer needs to be 20 characters long)

Help please help, anybody please

Answers

You need to show a picture I can’t help you if you don’t show it

how to mark someone brainlist

Answers

Answer:

when two people has answered your question you will see a crown on your answer and then you select the answer that is right

Explanation:

A plant dies if it’s pholem tissue removed why

Answers

Question:-

A plant dies if it’s pholem tissue is removed. Why?

Answer:-

When the phloem is removed, no substance is transported, the plant does not have the necessary requirements to carry out the process (photosynthesis), and finally the plant dies.

Phloem is composed of various special cells called companion cells, phloem fibers, and phloem parenchyma cells.
Phloem helps the plant by carrying sugar,amino acids and other nutrients from roots to the leaves,stem and other parts of the plant. If the phloem is removed then the transportation of substances won't take place and plants would not get the needed requirements to carry out its process and at last the plant dies.

Explain how ADH is involved in the regulation of water in the body ​

Answers

Answer:

Antidiuretic hormone binds to receptors on cells in the collecting ducts of the kidney promotes reabsorption of water back into circulation, These channels transport solute-free water through tubular cells and back into blood, leading to a decrease in plasma osmolarity and an increase osmolarity of urine.

A rat has 42 chromosomes in eath somatic call. How many chromosomes are in each gamete

Answers

Answer:

21 chromosomes

Explanation:

Somatic cells are a diploid which have 2 sets of chromosomes. If two sets are 42 chromosomes, one set must be 21 chromosomes. Gametes are a haploid which have only 1 set of chromosomes. So in each gamete, there should be 21 chromosomes.

through _____ large molecules are formed

Answers

Answer:
Biological macromolecules
Hope this helps!

Answer:

Macromolecules

Explanation:

because they combine with covalent bonds

Yifei and Santos are making a diorama on the ecological role of organisms. Yifei wants to show the omnivores eating both plants and other animals, and the herbivores eating other animals. Santos wants to show the omnivores eating only other animals, and the herbivores eating both plants and animals. Who is right?

Answers

Answer:

None of them are correct because omnivores, from the root word "Omni" meaning "all", means omnivores eat both plants and animals. Then, herbivores only eat herbs, meaning plants, so both of them are wrong. Animals that eat other animals but not plants are called carnivores.

brainliest goes to best answer! Explain the flow of energy as it is transformed through photosynthesis AND aerobic cellular respiration.

Be sure to explain how energy is processed and changed as it passes through and between each process.

EX: Stored energy in gas is converted to heat when you light the stove. This heat is transferred to the food as heat energy while it cooks.

Answers

The correct order of flow of energy and its conversion is

Light energyChemical energyPotential and Kinetic energy

During photosynthesis, plants converts light energy from the Sun into

chemical energy in the form of glucose. Cellular respiration involves the

conversion of chemical energy from glucose into potential and kinetic

energy by body cells

The chemical energy from glucose is converted into ATP which is another

form of chemical energy.The ATP formed helps cells perform various

activities and state of rest such as sleeping in the body through the

conversion of the chemical energy into kinetic and potential energy

respectively.

Read more about energy conversion on https://brainly.com/question/961052

The only system that does not pass through the thalamus on its way to the cerebral cortex is the __________ system. A. Tactile B. Gustatory C. Olfactory D. Visual.

Answers

The cerebral cortex process the information delivered by the thalamus, the information is related to the senses.

The only system that does not pass through the thalamus on its way to the cerebral cortex is the olfactory system.

The systems that pass through the thalamus are:

1. The visual sensation or information passes through the visual occipital cortex. It then delivers the information from the thalamus to the cerebral cortex.

2. The gustatory cortex is the region of the cerebral cortex, which is responsible for the senses of tastes and flavor. It also passes through the thalamus on its way to the cerebral cortex.

3. The tactile system includes the senses of touch. It is the information received through the receptors present on the skin. It also delivers the information to the cerebral cortex via the thalamus.

4. The olfaction system is not involved in the thalamus pathway. The olfactory cortex is present in the temporal lobe, which is not routed through the thalamus.

Thus, the correct answer is Option C.

To know more about the olfactory system, refer to the following link:

https://brainly.com/question/7500611

Answer:

C. Olfactory

Explanation:

draw the flow chart showing the sequential order of reproductive stage and fertilization​

Answers

The sequential order of reproductive stage and fertilization starts with the

male and female sex cells being produces through meiosis. The male sex

cell which is the sperm is produced in the testes while the female sex cell

which is the egg is produced in the ovary.

During copulation, the sperm cells are released into the vagina which then

swims through the cervix and uterus to the fallopian tubes where the

fertilization occurs.

There is then movement of the zygote formed from the fertilization to the

uterus where development occurs.

Please refer to the attachment .

Read more about Fertilization here https://brainly.com/question/1154065

exchange of gases in the human breathing system takes place in the?​

Answers

Answer

alveoli

Explanation

During gas exchange oxygen moves from the lungs to the bloodstream. ... This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.

Required Answer :-

The exchange of gases takes place in the alveoli.

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Additional information :-

Alveoli are microscopic air sacs.

They are the primary sites of exchange of gases. Gas exchange also occurs in lungs and tissues by diffusion.

Atmospheric air contains little CO2, but blood flowing in pulmonary capillaries has a higher concentration of CO2.

CO2 diffuses from higher concentration in blood across walls of alveolar capillaries to lower concentration in air in alveoli.

Blood coming into pulmonary capillaries is oxygen poor and alveolar air is oxygen rich.

Oxygen diffuses from higher concentration in alveoli across walls of alveolar capillaries to lower concentration in blood.

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Hope it's helps !!

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