At 8:00 AM you leave home and walk 0.9 km to a friend's house. At 11:30 AM you return home, then travel by car to the mall, which is 12 km away, and arrive at 11:45 AM.

Answer:

1a 2b 3c 4d

Explanation:

it goes around

Answer:

B, C, & D

The next answer:

The speciation can help us get new types of medicine, as well as discover new plants.

Explanation:

I did it on edge :)

Bovine care typically includes a routine physical check for pregnancy,  in cows and heifers called a pregnancy examination.

Manual rectal palpation has been shown to be a useful and dependable approach. Pregnancies can be successfully identified with this approach as early as 6 weeks.

Ultrasound has also gained popularity. The major benefit of ultrasonography pregnancy detection is that it lowers operator fatigue and injury.

A pregnancy examination in cows and heifers is a regular physical assessment for pregnancy in bovine care.

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Proteins are the biological macromolecules that can perform the most diverse range of biological tasks. The human body is made up of protein, which may be found in almost every organ, tissue, and body part.

An organ is a group of tissues that together physically create a functional entity with a specific purpose in biology. Several organs include your heart, kidneys, & lungs.

The body of an adult has a total of 78 major organs. The development of several organ systems depends on the coordination of these organs. The survival of five of these 78 organs is seen to be essential. The kidneys, liver, lungs, heart, and brain are some of these.

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Answer:

B. Hypothesis

Explanation:

Hypothesis is an explanation about a phenomenon that is proposed. This explanation is further subject to a test to make a scientific hypothesis.

scientific hypotheses is usually based on previous observations that is not satisfactorily explained with available scientific theories but need further clarifications.

After an hypothesis is formulates it is then subjected to test to ascertain if the hypothesis will be accepted or rejected. When rejected further investigation can be carried out to be sure of the outcome.

Explanation:

They don't have a Cell membrane and a well defined nucleus.

but in this question answer will be option D

Answer:

CELL WALL

Explanation:

Plants can prevent their cells from becoming destroyed when placed in hypotonic environment through the help of the rigid cell wall surrounding the cells.

Hypotonic solution is a solution of lower solute concentration that is they are rich in solvent molecules such as water. The rigid cell wall provides a form of pressure called tugor pressure as a result of the action of the pressure pushing against the cell wall from the swelling of the cell. For instance, when a plant cell is exposed to an hypotonic solution, water enters into the cells and the cell swells, instead of the cell exploding, the rigid cell wall prevents that from happening.

The rigid cell wall of plants consist of polysaccharides cellulose, pectins and other strong materials and these help the plant to withstand varying internal osmotic pressures from hypotonic environments.

Answer:

Substrate Definition: A substance that is underlying or is layer.

Explanation:

Answer:

Explanation: water oxygen

Answer:

The results from the following base mutations --- substitution, insertion, and deletion are :

Explanation:

What is base substitution :

What is base insertion:

What is base deletion :

What are the effects of base mutations:

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Answer:

Someone with brown eyes may be carrying one blue allele and one brown allele, so a brown-eyed mother and a blue-eyed father could give birth to a blue-eyed child.

In a dihybrid cross of two PpRr pea plants, the potential gametes that can be formed are PR, Pr, pR, and pr.

In pea plants, flower color and pea shape are determined by two separate genes, P and R. The P gene controls flower color, with the dominant allele P coding for purple flowers and the recessive allele p coding for white flowers. The R gene controls pea shape, where the dominant allele R results in round peas and the recessive allele r leads to wrinkled peas.
When conducting a dihybrid cross of two heterozygous purple-flowered, round-pea plants (PpRr), we need to determine the potential gametes that can be formed. Gametes are the reproductive cells (sperm and egg cells) that carry one copy of each gene. During the formation of gametes, the alleles of each gene are segregated independently, leading to various combinations of the two genes.
In this case, there are four possible gametes that can be formed by each parent: PR, Pr, pR, and pr. Each of these combinations represents a single allele for flower color (P or p) and a single allele for pea shape (R or r). These gametes can then combine during fertilization to produce offspring with various genotypes and phenotypes.

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Skulls are less compact and zygomatic arches are less formed  is the reason behind Paranthropus and australopithecines as a group differ from members of the genus homo .

Paranthropus skull included  large premolar and molar teeth and a robust or strongly built lower jaw. Australopithecine species includes the difference in the thickness of the bones they have thin cranium .

Australopithecus were 120 cm tall, and the cranial capacity were also large. It had a low forehead, protruding face, lack of chin and low brain capacity.  They were adapted for tree climbing, have very small brain, and a long line jaws .

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The lac repressor protein controls the expression of the lac operon by binding to the operator region of the lac operon.

The lac operon is regulated by a DNA binding protein known as the lac repressor protein, which controls the transcription of the genes within the operon. The lac repressor protein functions as a negative regulator of the lac operon by binding to the operator region of the lac operon.

The operator region is situated upstream of the promoter region and consists of a specific DNA sequence to which the lac repressor protein binds. The binding of the lac repressor protein to the operator region blocks the RNA polymerase enzyme from binding to the promoter region, preventing the transcription of the genes within the lac operon.

When lactose is present in the cell, it binds to the lac repressor protein, causing a conformational change that weakens the interaction between the repressor and the operator region. This allows the RNA polymerase to bind to the promoter region and transcribe the genes within the operon.

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Tracheids-hollow, tube like cells (option A) is used in xylem.

One crucial mechanism through which plants move water and minerals across their structures is the use of specialized cells called tracheids. While primarily found within gymnosperms' xylem tissue, angiosperms display them too albeit less abundantly than their counterparts.

As these tube-like cells reach maturity stage, they undergo death while developing thickened lignified walls around them. The arrangement pattern sees them joined end-to-end complete with wall perforations that facilitate fluid flow.

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The correct answer is A. Tracheids - hollow, tube-like cells are the cell types is used in xylem of the plant

Tracheids are a particular kind of cell that can be found in the xylem tissue that plants use to transfer water and minerals.

The elongated cells known as tracheids have lignified walls, tapering ends, and form a continuous column for the passage of water.

They are essential for supporting the structure of a plant and moving water from the roots to the leaves.

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Answer:

The situation for snakes is more similar to the black "insects," as both snakes and black insects are usually seen as predators and can be feared by humans.

Answer:

Bb or BB and Tt or TT

Explanation:

Black coat could be BB or Bb because it only needs one dominant allele for the trait to show up and the same goes for Tt and TT.

Answer: The Big Bang theory basically explains how our universe began.

Our universe started with a small singularity, and inflated over the next 13.8 billion years to the cosmos we know

Please correct me if I’m wrong :)

Explanation:

Euchromatin refers to regions of DNA that are loosely packed to increase the efficiency of transcription. "fewer histones" is the region that is likely to occur.

A region of euchromatin is expected to have "fewer histones." Euchromatin refers to regions of DNA that are less tightly packed with histones, allowing for easier access to the DNA for transcription and other cellular processes. The DNA in euchromatin is more accessible to the transcription machinery, whereas the tightly packed DNA in heterochromatin is inaccessible and typically silent. Transcription is the process of copying genetic information encoded in DNA into RNA. This is the first step in gene expression, where the information in the DNA is used to synthesize a functional protein. During transcription, an enzyme called RNA polymerase reads the DNA sequence and synthesizes a complementary RNA molecule.

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Answer:

as causas de las extinción de una especie pueden ser muchas, como la destrucción de su hábitat natural, la caza o captura de animales exóticos, la contaminación, la deforestación (la desaparición de los bosques por la tala de árboles) o el cambio climático, que son consecuencia de la intervención de los seres humanos. Aunque esto también puede relacionarse con distintos fenómenos naturales como inundaciones, incendios, o la llegada de enfermedades.

Explanation:

En algunas ocasiones y por diferentes motivos, las especies de animales empiezan a desaparecer, y esto se conoce como extinción. A pesar de que escuchamos esta palabra muy a menudo, alguna vez te has preguntado, ¿por qué una especie se extingue y qué pasa cuando esto sucede?

Answer:

Science reveals and convinces ourself the causes for any changes in any process that occur!

Your question has been heard loud and clear.

My favourite thing about science is how creative you can be with ordinary things that happen daily. So , its really cool to see new phenomena and know why it happens through science. Im one such boy. I used to watch  videos and perform experiments at home for fun , while my family always got angry at me for doing such things. Ah the good old days.

Thank you

Answer:

The law guiding cells

Explanation:

Everything under the objective are true

Scientific laws describe observed patterns in nature, are concise and universal, while theories explain and provide comprehensive explanations based on evidence.

All scientific laws share the common characteristic of describing fundamental principles that govern natural phenomena.

Scientific theories, on the other hand, are broader explanatory frameworks that integrate multiple laws, principles, and empirical evidence. They seek to provide comprehensive explanations for phenomena, going beyond descriptive statements. Theories encompass a wider scope, incorporate various hypotheses, and aim to understand the underlying mechanisms and causal relationships involved. They are subject to revision and refinement based on new evidence or insights.

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The complete question may be like:

What common characteristic do all scientific laws share, and how does it distinguish them from scientific theories?

Methylene blue diffuses at a slow rate, potassium permanganate is utilized in diffusion tests instead. Therefore, as previously stated, the rate of potassium permanganate diffusion is 0.37 millimeters per second.

The dye spot for potassium permanganate has a somewhat greater radius than the dye spot for methylene blue because potassium permanganate has a molecular weight that is roughly half that of methylene blue and diffuses more quickly.

Potassium permanganate crystals cause the water to turn purple when they are added to it. This demonstrates the dissolution and spreading of the color of potassium permanganate due to the diffusion behavior of water and potassium permanganate particles.

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If a seller delivers defective goods, the buyer does not lose the right to object to the breach of contract if the buyer accepts the goods with a reservation of right. In this scenario, the buyer acknowledges receipt of the goods but reserves the right to raise objections or seek remedies for the defective goods at a later time.

If a seller delivers defective goods, the buyer does not lose the right to object to the breach of contract if the buyer accepts the goods with a reservation of right. Accepting the goods without any reservation implies that the buyer is satisfied with the goods and has waived the right to object. However, if the buyer accepts the goods with a reservation of right, they are essentially indicating that they are accepting the goods under protest and will reserve the right to object to the breach of contract.

It is important to note that the reservation of right must be communicated to the seller in writing within a reasonable time after delivery. Failure to do so may result in the buyer losing the right to object to the breach of contract.

In summary, accepting defective goods with a reservation of right allows the buyer to still have the right to object to the breach of contract while accepting the goods without any reservation waives this right.

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Answer:

Autotroph

Explanation:

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.

Answer:

it is an autotroph

Explanation:

An autotroph is an organism that can produce its own food using light, water, carbon dioxide or other chemicals.

The answer for this question is “Atom”. You can find the answer in Ck-12’s lesson on Ferromagnetic Material.

Where is the friction that allows the skater to complete the move that is occurring in this image?

but dna condenses into chromosomes in both miosis and mitosis.

Explanation:

in mitosis in prophase the chromatin first condenses into dna where after the identical cells are created returns to chromatin however in miosis the same thing happens as in mitosis but continues to further divide in a stage known as prophase I as it is a second diviosion rather than a first.

Answer:

the answer is b

Explanation:

the reproduce daily o grow and to keep up with the dying cells

Cells need to divide for body to grow and for body tissue such as skin to continuously renew itself, so option b. Cell division is how organisms grow is correct

Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life.

Cell division for growth and repair creates exact copies of a cell. it is important it make possible for a living thing to grow, creates new cells to replace damaged or dead cells.

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