Briefly summarize the structure of a fern

Answers

Answer 1

Answer:

The structure of a fern. Ferns have 3 major parts – the rhizome, the fronds and the reproductive structures called sporangia. ... An erect rhizome, which is a solid mass that gives rise to a tuft of fronds. You can see this type of rhizome on a king fern or a crown fern.

Explanation:

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Related Questions

Define photosynthesis?​

Answers

Answer:

PROCESS BY WHICH PLANTS MAKE THEIR OWN FOOD WITH THE HELP OF WATER, MINERAL , CHLOROPHYLL CARBON DIOXIDE IN THE PRESENCE OF SUNLIGHT IS CALLED PHOTOSYNTHESIS.

I HOPE IT IS HELPFUL

Most of the aerobic respiration of a cell takes place in which structure?
A chloroplast
B lysosome
C vacuole
D mitochondria

Answers

I believe it’s A in the question

Question 1 (1 point)
Which of the following explains how density dependent factors can
slow population growth?
There are more births in the population.
There are more deaths in the population.
There are more births and deaths in the population.
There are fewer births and deaths in the population.

Answers

More deaths the second one is the right answer good luck

a student is investigating cellular transport. what will most likely occur when the student places a cell that is 95% water inside of a solution that is 100% water?

Answers

Cellular transport refers to the flow of substances into or out of the cell across the cell membrane.

When the student places a cell that is 95% water inside of a solution that is 100% water, the cell will achieve net movement and if water continues to enter, it swells up and burst.

When a cell is placed in a hypotonic solution, water flows into the cells and the cell gains volume until it achieves equilibrium. But if water continues to flow in afterwards, it swells up and burst.

Learn more about cellular transport: https://brainly.com/question/6949569

why is there no enzyme to digest vitamins​

Answers

Answer:

Vitamins are used in their original form by the cells. They are either water soluble or fat soluble, hence no enzyme is required to digest vitamins. They are absorbed directly from the digestive tract, transported by blood to the cells, and the cells absorb and use them whenever they need.

7. Where do the light-dependent reactions take place?

Answers

Answer:

in the chloroplasts I think that's how u spell it

14. Which of the following occurs during the electron transport chain?
a. the formation of ATP by oxidative phosphorylation
b. the formation of water
c. a concentration gradient of protons
d. all of the above

Answers

Answer:

All

Explanation:

The electron transport chain is a series of four protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation. It occurs in mitochondria in both cellular respiration and photosynthesis.

Answer:

D

Explanation:

ATP is created in the ETC

Water is formed as a by product

The concentration gradient is what fuels the ETC. Protons (H+ ions) move across the membrane to create energy.

Hope that helps (and also hope its right, i did bio a while back)

List two diseases that are the result of a viral
attack on the human nervous system.

Answers

Answer:

rabies , Tick-borne encephalitis

Explanation:

Answer:

look at the bottom

Explanation:

Acute - the most common diseases caused by acute viral infections are encephalitis, flaccid paralysis, aseptic meningitis, post infectious and encephalomyelitis.

What is meant by industrialization ?Write in brief

Answers

Industrialization is the process by which an economy is transformed from a primarily agricultural one to one based on the manufacturing of goods. Individual manual labor is often replaced by mechanized mass production, and craftsmen are replaced by assembly lines.

Which is mixed with proteins to break them into amino acids?

Answers

Answer:

enzymes can breakdown proteins into amino acids

Answer: hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids

Explanation:

I really need helppppp

Answers

Mitochondria - multicellular
Cytoplasm - eukaryotic cell
Organism - unicellular
The “”Mitochondria”” is the powerhouse of the cell

it can be said that all cells life begin and end with this process ?

Replication

Meiosis

Mitosis

Cytokinesis

Answers

Meiosis! I just learned this about the reproduction.

all cells life begin and end with this process by the process of meiosis

What is meiosis ?

Meiosis is the process  where a single cell divides twice to produce four four haploid daughter cells which are otherwise called as gametes; It can occur in two substages such as meiosis I and meiosis II.

Humans have 46 chromosomes in every cell,  where 23 chromosomes t came from one of our parents and 23 very similar chromosomes that came from the other parents.

Meiosis I consist of substages like Prophase I where nuclear envelope disintegrates, Chromosomes begin to condense, Spindle fibres appear.

Secondly Prometaphase I where Spindle fibres attach to the  centromere followed by Metaphase I where The homologous chromosomes align at the equatorial plate, Anaphase I where he homologous chromosomes move towards the opposite poles.

Telophase I where Spindle fibres disappear, Cytokinesis I where the cytoplasm and the cell division result in 2 non-identical haploid daughter cells.

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Earth is a ____ system, so the amount of carbon stays relatively constant over time.

Answers

Answer:

Carbon

Explanation:

The relatively large number of new mutations that occur in the human genome in each generation is tolerable because: ______________

a. humans have excellent protein repair mechanisms.
b. compared to other organisms, changes in human proteins have relatively small effects on their cells' structures and functions.
c. humans have excellent DNA repair mechanisms.
d. most of the human genome is noncoding DNA, so few mutations affect human proteins.
e. most of the mutations occur in somatic cells, not germ cells.

Answers

Answer:

The believe the correct answer is option E.

The relatively large number of new mutations that occur in the human genome in each generation is tolerable because: most of the human genome is noncoding DNA, so few mutations affect human proteins. Therefore, the correct option is D.

What is a human genome?

A human genome refers to the complete set of sequences of the nucleic acids that are present in the humans. The human genome contains a relatively large amount of noncoding DNA, which does not code for proteins and is therefore less subject to selective pressures.

Option A, humans have excellent protein repair mechanisms, and Option C, humans have excellent DNA repair mechanisms, are partially true, but do not fully account for the tolerability of new mutations in the human genome.

Option B and E are also not true, as changes in human proteins have relatively small effects on their cells' structures and functions, is not entirely true. Therefore, the correct option is D.

Learn more about human genome, here:

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_______________________ are the components of most non-clastic rocks.

Dissolved minerals

Sediment and small rocks

Seashells

Limestone and fossils

Clay and pebbles

Angled rocks and clay

Answers

Answer:

Limestone, dolomite and chert.

AKA Limestone and fossils.

Chert is of biological origin and limestone is composed of tiny fossils. Dolomite is a form of limestone. Non-clastic sedimentary rocks are formed organically.


If a label indicated the presence of a radioactive isotope, you would know what
about the substance?

Answers

Answer:

Radioisotopes are radioactive isotopes of an element

Explanation: Radioactive isotopes are detected by: photographic film.

a cloud or bubble chamber.

a liquid scintillation detector.

a Geiger-Muller counter.

Answer:

we would know that the substance's atoms have an unstable combination of neutrons and protons or excess energy in their nucleus.

The enzyme that builds the complimentary strand during replication.
helicase
replicase
polymerase
synthase

Answers

Answer:

polymerase

Explanation:

It wraps itself around a polynucleotide strand and attaches new nucleotides to the exposed nitrogenous bases

pls helpppppppppppp it's due today​

Answers

Answer:

The coreect answare would be B

Answer:

A is upper epidermis

B is palisade cells

C is spongy mesophyll layer

D is the lower epidermis

Explanation:

i hope this is helping

the threadlike structures that contain genes are called

Answers

Answer:

Chromosome are the threadlike structures that contains genes.

Describe ways in which HIV can be transmitted​

Answers

Answer:

From mother to child.

Unprotected sexual intercourse.

Sharing of sharp objects.

Unscreened blood transfusion.

Contact with body fluid of an infected person

Homeostasis is necessary for a cell to survive. What is the definition of homeostasis

Answers

Answer:

Homeostasis is the process of maintaining a constant internal environment suitable sustaining life.

Homeostasis continues to maintain ideal environment for enzyme action and all cell functions throughout the body.

Why homeostasis is necessary?

It is the preservation of a constant internal environment in the face of changing internal and external conditions. These include blood glucose concentration control in the human body.

A series of control mechanisms at the organ, tissue, or cellular level maintain homeostasis.

Substrate supply, activation or inhibition of individual enzymes and receptors, enzyme synthesis and degradation, and compartmentalization are examples of control mechanisms.

The liver, pancreas, kidneys, and brain (hypothalamus, autonomic nervous system, and endocrine system) all contribute to homeostasis.

The liver is in charge of metabolizing toxic substances and maintaining carbohydrate metabolism with pancreatic signaling.

Thus, homeostasis is necessary for a cell to survive.

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there are many kinds of organisms in kingdom protista. which organism is in kingdom protista?

Answers

Protist contains eukaryotic organisms wIth unicellular and simple multicellular organisms. These are mostly aquatic. This kingdom contains diverse group of organisms Eg: Animal like protist called protozoa i.e amoeba, Plant like protists called algae i.e euglena, and fungi like protists i.e slime molds

What is the first indication of a Tsunami?

Answers

GROUND SHAKING, a LOUD OCEAN ROAR, or the WATER RECEDING UNUSUALLY FAR exposing the sea floor are all nature's warnings that a tsunami may be coming.

Answer:

Ground shaking or loud ocean roar

The coat that surrounds the genetic material of a virus is made of what material? (
1 point) protein, cells, RNA, DNA

Answers

Answer:

Protein

Explanation:

The protein-covered coat that surrounds the genetic material of a virus is called a capsid.There are mainly three structural shapes of a capsid : Icosahedral ProlateHelicalThe functions of capsid includes:Protection of viral genome i.e., either DNA or RNA from dissolution.Helps in penetration of virus in host cells.

For More Information:

https://brainly.com/question/17846775

Answer:

the answer is protein

Explanation:

Name 3 things that come from decayed plants, are fossil fuels, and release carbon dioxide when they are burned.

Answers

Answer:

carbon cycle, neutral, and decomposition

Carbon cycle , neutral , decomposition

According to the text, adolescents are deficient in their intake of necessary vitamins and minerals because _____

Answers

Answer:

healthy foods cost more.

unhealthy foods are more desirable.

they eat from vending machines in schools.

All of these answers are correct.

Explanation:

What are three organs that could be part of a mollusk respiratory system?

Answers

1. Gills or ctenidia
2. Mantle cavity
3. Pulmonary sac

The first fuel Paul’s body uses is ________________________ from Paul’s last meal, which are stored in his _____________ & his ______________ (technically the bits in his BLOOD are used up before that even). The body turns them into ____________, which is burned in ____________. That fuel lasts Paul about ________________.

Answers

1. The first fuel Paul’s body uses is carbohydrate, which is generated from Paul’s last meal.

2. These carbohydrates are stored in his liver and muscles (technically, the bits in his blood are used up before that even).

3. The body turns the carbohydrates into glucose, which is burned in mitochondria during an aerobic cellular respiration.

4. That fuel lasts Paul about 3 miles, 40 minutes ([tex]\frac{2}{3} \;hours[/tex]).

A fuel can be defined as the resources that power the body of a living organism such as a human being. Also, the three (3) main types of fuel that power the human body include the following:

OxygenWaterFood

Fat is a nutritional element of food and it is beneficial to the body of a living organism because after the body exhausts its carbohydrates, it then uses its own fat as a fuel to power the body.

In this context, the first fuel Paul’s body uses is carbohydrate, which is generated from Paul’s last meal. These carbohydrates are stored in his liver and muscles (technically, the bits of carbohydrates in his blood are used up before the storage).

Furthermore, the body turns the carbohydrates into glucose, which is burned in mitochondria during an aerobic cellular respiration. Also, the fuel would only last Paul for a distance of about 3 miles, 40 minutes ([tex]\frac{2}{3} \;hours[/tex]).

Read more on carbohydrates here: https://brainly.com/question/20290845

predict the average number of different trna molecules that can be recognized by a single type of aminoacyl trna synthetase.

Answers

Answer: Each tRNA is charged with a particular amino acid at its 3' end. Although there are 61 codons in the universal genetic code that specify amino acids, most organisms posess fewer than 45 different tRNAs.

Explanation:

I ACCIDENTLEY SCREAMED PRETTY GAY

Answers

Answer:

.

Explanation:

Answer:hahahahah really why thats so funny

Explanation:

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