Biology High School


What is the function of the structure identified by the arrow?
O Mobility
O Protection
O Reproduction
O DNA transfer

What Is The Function Of The Structure Identified By The Arrow?O MobilityO ProtectionO ReproductionO DNA

Answers

Answer 1

Answer:

A. Mobility

Explanation:

Related Questions

During translation, amino acids are carried to the ribosome by.

Answers

Answer:

tRNA

Explanation:

During prophase I, all four chromatids of the two homologues become closely associated as a result of pairing, forming a structure known as a(n)

Answers

During prophase I, all four chromatids of the two homologues become closely associated as a result of pairing, forming a structure known as a tetrad or bivalent.

What is a tetrad?

A tetrad is a structure formed during the prophase I stage of meiosis I whereby two homologous chromosomes pair together.

Meiosis occurs in two stages of division namely;

meiosis I meiosis II

In meiosis I, homologous chromosomes are separated but are first paired during the prophase stage to form the tetrad or bivalent structure.

Therefore, during prophase I, all four chromatids of the two homologues become closely associated as a result of pairing, forming a structure known as a tetrad or bivalent.

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Single-celled plantlike protists and photosynthetic bacteria make up communities of.

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Plant-like protists, also called algae are a large and diverse group of simple plant like organisms. Some algae are tiny and unicellular, others are large and multicellular, as shown in Figure below. The largest and most complex marine forms are called seaweeds.

Monosaccharides disaccharides and polysaccharides are examples of.

Answers

Answer:

Sugars

Explanation:

Saccharide is another term used to describe sugars. The prefixes (mono = one, di = two, poly = more than two) represent how many glucose molecules are present in the overall molecule. Glucose is the base structure of sugars. Furthermore, all saccharides (sugars) are carbohydrates.

What part of the nucleotide connects in
the middle of the molecule and makes up
the "steps" of the ladder?

Answers

Answer: The inside of the molecule, the "steps" of the staircase, are made of the nucleotide bases Cytosine, Guanine, Adenine, and Thymine. C bonds to G by three hydrogen bonds. A bonds to T by two hydrogen bonds. A and G are double ringed structures called "purines".

Explanation:

5. Warm currents cause what type of climate?
a. Dry
b. Wet
c. Frigid

Answers

Answer:

b. dry

Explanation:

because the dry climate is warm

Helium has an atomic number of two because it has two ____________ . A atoms B protons C neutrons D molecules

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Answer:

The answer to that question is A

How many chloroplasts are present in a typical plant cell?

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Answer:

10-100 chloroplasts

Explanation:

True or False: A trait is only considered an adaptation if it is beneficial to the organisms current environment

Answers

Answer:

this statement is false:

Explanation:

natural selection is a process im which organism evolve to become better adapted to their environment

Which of the followingdoes NOT affect population growth and decline?

a. the immigration of organisms
b. the emigration rate
c. the fraction of males to females
d. the birth rate and death rate

Answers

C. The fraction of males to female

How are spores similar to seeds?​

Answers

Answer:

Spores grow and spread, similar to seeds, yet only in a larger amount.

__________________________________________________________

Questions?

Ask in the comments box.

is the following sentence true or false? Changes in chromatin structure and histone DNA binding are associated with changes in gene activity.

Answers

Answer: The correted answer is true

Explanation:

Changes in chromatin structure and histone DNA binding are associated with changes in gene activity. True)

The pharynx functions as a passageway for __________, whereas the larynx functions as a passageway for __________.

Answers

The Pharynx is the passageway way for food

The Larynx is the passageway for air


Pharynx

The Pharynx is a long tube that is located in the throat region, it helps in the smooth passage of food from the mouth and down to the stomach where it is needed for body metabolism


Larynx

The larynx helps in the free flow of air, it is sometimes called the voice box. It plays a vital function by blocking the windpipe from taking in food particles


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According to the articles, how did the sequencing of the human genome impact our ability to understand human evolution and natural selection?.

Answers

Answer:

whole genome sequencing allows us to examine evolution at the phenotypic level, and gives us a testable way to predict how environmental impacts will shape future phenotypes.

True or False (Please help me asap)

1. CAM plants use organic acids to store their CO2 for use in light reactions

2. Phase 3 of the Calvin cycle involves the reduction of 3-phosphoglycerate to G3P.

3. in C3 plants, rubisco fixes oxygen if no CO2

4. Photosystem II can operate independently of photosystem I in a cyclic .

5. Carotenoids may act as a sort of energy buffer or “sunscreen” for plants.

6. Chlorophyll b has a methyl group at the R-position of the porphyrin ring.

7. Cyclic electron flow is the primary pathway of energy transformation in light reactions.

Answers

In this question, we will answer whether the statement is false or true about plants.

False or true

1. CAM plants use organic acids to store their CO2 for use in light reactions

False

2. Phase 3 of the Calvin cycle involves the reduction of 3-phosphoglycerate to G3P.

False

3. in C3 plants, rubisco fixes oxygen if there is no CO2

True

4. Photosystem II can operate independently of photosystem I in a cyclic fashion.

True

5. Carotenoids can act as a kind of energy buffer or “sunscreen” for plants.

True

6. Chlorophyll b has a methyl group at the R-position of the porphyrin ring.

False

7. The cyclic flow of electrons is the main way of transforming energy in light reactions.

True

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What type of physical weathering is caused by the expansion of water?

Answers

Answer:

Frost wedging

Explanation:

Is a natural result of the fact that water expands when it freezes.

frost wedging should be the answer

45. What process in the nitrogen cycle on this planet is taking place in the purple
growth cells?

Answers

Answer:

When an organism excretes waste or dies, the nitrogen in its tissues is in the form of organic nitrogen (e.g. amino acids, DNA). Various fungi and prokaryotes then decompose the tissue and release inorganic nitrogen back into the ecosystem as ammonia in the process known as ammonification.

Explanation:

Pls help ASAP WILL GIVE BRAINLIEST 100POINTS!

Answers

If 2 different people use the same dichotomous key on the same organism it’s only natural for them to have the same results. It wouldn’t make sense if they had different results unless one of them made an error.

Assess It!

A disease has spread

amongst lily pads in a

pond ecosystem.

Which is true about the

impact of this disease?

A Small fish that rely on lily pads for

protection will decrease in population

The large fish population will increase

C. The water temperature will decrease

D. The frog population will increase

Answers

Answer:

The small fish populus will decrease because they need the lilypads to hid them from the big fish.

Explanation:

Which of the following is a negative consequence of nuclear power that concerns many environmentalists?

A
electrical shocks

B
carbon emissions

C
nuclear waste

D
smog

Answers

Nuclear waist I believe
Sorry if I’m wrong
I think the answer is C- nuclear waste

Even-aged management practices involves clearing trees that
are all the same height
b. are all the same weight
C. are all near the same age
d. are all of widely different ages
Please select the best answer from the choices provided

Answers

Answer: C. Are all near same age.

Explanation: Even-aged firewood management practices refer to the practice of clearing of trees that "are all near the same age"as this technique is usually adopted to maintain the proportion and continuity of various species of trees(thus, cutting of the trees of same age).  This practice is employed to minimize the costs and attain a coeval and comrade group of trees. It proves quite beneficial in reestablishing the succession of a native breed. It involves the selection of trees at first depending on the size, desirable species, etc. followed by clearcutting of unmerchantable(undesired) trees. This technique is usually adopted to maintain the proportion and continuity of various species of trees.

C. Are all near the same age

KEYWORD- “Even- aged”which means clearing all trees that are even to all near the same age of tree.

In which situation has the precautionary principle been least strictly applied?

A chain of health stores is allowed to sell over-the-counter nutritional supplements that

have not been tested by the Food and Drug Administration for adverse effects.

A foreign marketplace relaxes certain restrictions on genetically modified produce after

testing demonstrates that the produce poses no health risks to consumers.

A toy company recalls a particular brand of action figure after several young children nearly

die from choking on loose pieces of plastic.

The U. S. Government requires that cigarette manufacturers include on cigarette packages a

warning from the surgeon general that smoking causes diseases such as lung cancer

Answers

The precautionary principle is  invoked after there has been established that there is risk in the use of a product.

What is the precautionary principle ?

The precautionary principle  is invoked when it is supposed that a particular product or a drug could put the lives of people at risk. This has been invoked many times in the health sector.

The situation in which the precautionary principle  is least strictly applied is when a chain of health stores is allowed to sell over-the-counter nutritional supplements that have not been tested by the Food and Drug Administration for adverse effects.

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Please Help! This is due in 5 minutes!
Whose work showed that the fossils in caves were, in fact, a result of accumulation over time rather than the result of one cataclysmic event?
A. Gideon Mantell
B. William Buckland
C. Charles Lyell
D. Richard Owen

Answers

Answer:

C. Charles Lyell

Explanation:

Lyell argued that the formation of Earth's crust took place through countless small changes occurring over vast periods of time, all according to known natural laws.

5) The Texas Hill Country, located in central Texas, is home to the Edwards Plateau ecoregion and Llano Uplift ecoregion. Since the Edwards Plateau is composed of large amounts of limestone rock
formations with a vast underground cave system. What is likely the cause of the underground cave system?
A) wind erosion
B) chemical weathering
physical-weathering
D) deposition and compaction

Answers

Answer:Its C

Explanation: i took the test trust me

physical-weathering is likely the cause of the underground cave system.

Rocks, minerals, and soils disintegrate through a process known as physical weathering, sometimes known as mechanical weathering.

Abrasion is the main physical weathering process (the process by which clasts and other particles are reduced in size). Temperature, pressure, frost, root movement, and burrowing animals can all cause physical weathering.

For instance, physical weathering will expose more surface area through the use of cracks, speeding up the pace of deterioration.

To learn more about Physical weathering, refer to the link:

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an animal can wound a tree by scratching away the bark. the tree can respond to the wound in many ways. the sap quickly covers the wound, and then the tree covers the wound with new growth. the diagram shows the cross section of a tree with a healed wound. what process worked most directly with a transport section to heal the wound?

Answers

Cellular reproduction is the process which worked most directly with a transport section to heal the wound.

What is Cellular reproduction?

This involves producing a copy of preexisting cells through the process of cell division known as mitosis.

The plant when injured yields multiple cells which covers it up and helps in the healing process.

Read more about Cellular reproduction here https://brainly.com/question/14249663

Ethnopharmacology is a subdiscipline in the field of ethnomedicine. Identify what someone within the ethnopharmacology field might do during their research.

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Document the types of herbs and teas present in a traditional Chinese pharmacy interview amchis on what plants they use in their healing remedies

Energy for use in our cells are stored in the form of

1) chemical bond energy
2) physical energy
3) heat energy
4) mechanical energy

Answers

Answer:chemical bond energy

Explanation:weegy

which of the following prosessies take a place in a cell nucles

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Answer:

There are no given options, however the research I have done shows that the processes that take place within the nucleus of a cell are: DNA Replication (The creation of new DNA in preparation for cell division), and transcription (the creation of RNA copies of parts of a DNA sequence).

Explanation:

Hope this helps you :)


1. Predict: What do you think the offspring of a black mouse and a white mouse will look like?

Answers

A lighter black known as brown

what order do they go in

Answers

Answer:

saying that the top box is number one, the order is 5, 2, 4, 3, 1

hope that helps xoxo<3

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