answer this question plsss

Answer: 6 feet

Explanation: It says it in the question

Answer:

its about 20 feet

Explanation:

Answer:

yes

Explanation:

electrons life in the nucleus which is at the center of the atom

Answer:

Protons and neutrons are heavier than electrons and reside in the nucleus at the center of the atom. Electrons are extremely lightweight and exist in a cloud orbiting the nucleus.

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Explanation:

Answer:

A branch is a secondary wood limb growing from the trunk of a plant. It helps transport materials from the tree trunk to the leaves. The trunk is a massive primary stem of a tree located between the roots and upper tree canopy.

Explanation:

I hope this helps<3

Answer:

A branch is a secondary wood limb growing from the trunk of a plant

Explanation:

It helps transport materials from the tree trunk to the leaves. The trunk is a massive primary stem of a tree located between the roots and upper tree canopy.

Answer:

Active transport moves molecules and ions from lower concentration to higher concentration, passive transport moves molecules and ions from a higher concentration to lower concentration without any energy.

Explanation:

Active transport moves molecules and ions from lower concentration to higher concentration with the help of energy in the form of ATP. On the other hand, passive transport moves molecules and ions from a higher concentration to lower concentration without any energy.

Answer:

i thinnk its d

Explanation:

The main reason for regulation of gene expression in eukaryotes is cell repair and replacement.

Gene regulation is the process used to control the timing, location and amount in which genes are expressed. The process can be complicated and is carried out by a variety of mechanisms, including through regulatory proteins and chemical modification of DNA.

Regulation of gene expression, or gene regulation, includes a wide range of mechanisms that are used by cells to increase or decrease the production of specific gene products.

Hence, gene expression is controlled on two levels. First, transcription is controlled by limiting the amount of mRNA that is produced from a particular gene. The second level of control is through post-transcriptional events that regulate the translation of mRNA into proteins.

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Answer:

B.) Humans make glycogen but cannot make starch, which is only found in plants

Explanation:

Humans store carbohydrates as glycogen, whereas plants store extra carbohydrates as starch.

Answer:

A radiograph pen is used to draw lines with different thicknesses

Explanation:

A radiograph pen is a form of a technical pen that is used in drawing most specifically in architectural and engineering drawing.

It comes in different pointing sizes, or in some cases, the stylus can be disassembled to allow changing and replacing it with different styles of different widths to fit in.

For example, a radiograph pen can use a different stylus with a width of 0.35mm, 0.7mm, or 1.4mm, which in turn gives different line thickness when drawing.

Hence, in this case, the correct answer is "A radiograph pen is used to draw lines with different thicknesses."

Answer:

the digestive system

Explanation:

because like mitochondria it helps other organelles like lysomes are responsible for digesting and recycling toxic substances and waste

Answer:

Preclinical studies refer to the testing of a drug, procedure or other medical treatment in animals before trials may be carried out in humans.

Answer:

The correct answer is - true.

Explanation:

In the meiosis cell division, there are four cells present with n number of chromosomes which means these cells generated from by the meiosis have a half number of the chromosome as their parents. This is the reason this type of cell division is known as a reduction division.

These cells that are produced are sex cells or reproductive cell sperm in male and egg in female all have n number of chromosome number as they have to fuse to form a zygote.

Answer:

C) II and III only

Explanation:

Option 1 is not an example of phenotypic plasticity because each person is born with their own blood type and this doesn't change based on their environment and behavior.

Option 2 is an example of phenotypic plasticity because a person's red blood cell counts can increase based on their environment, i.e. moving to Denver, CO from Death Valley, CA. The higher elevation and decreased oxygen causes your body to produce more red blood cells.

Option 3 is an example of phenotypic plasticity because one twin can be taller than another because of differing behaviors, environments, etc.

Answer:

The answer is Aa

Explanation:

I'm assuming that you're referring to the lettering of genes. If that's the case, the answer is Aa. A heterozygous is Aa. Hope this is what you were looking for!

Answer:

The correct answer is Het.

Answer:

German biologist Theodor Schwann concluded that Cinimals are made of cells. Rudolph Virchow concluded that new cells are produced from other cells 6. The Cele theory combines the conclusions made by Schleiden, Schwann, and Virchow.

Explanation:

Answer:

B. Smaller fragments travel faster and farther than larger fragments.

Explanation: Shorter molecules move faster and migrate farther than longer ones because shorter molecules migrate more easily through the pores of the gel. This phenomenon is called sieving. [2] Proteins are separated by charge in agarose because the pores of the gel are too large to sieve proteins.

Answer:

C.) 26 - 13

Explanation:

During mitosis, DNA is replicated during the S phase so that when the cell divides the daughter cells will have the same number of chromosomes that the parent cell had.

DNA replication also occurs during meiosis, but the cell divides twice, so the daughter cells will have half the number of chromosomes that the parent cell had. This is because the daughter cells are sex cells, which combine with another sex cell (either an egg or a sperm) to form one cell with a combined chromosome number.

Answer:

its A

Explanation:

Answer:

The answer is D. The Greater number of spines provides some advantages to the fish.

A reasonable conclusion from this observation is the greater number of spines provides some advantages to the fish. The correct option is D).

Paleontologists, archaeologists, and geologists use the fossil record to put major events and species in the correct geologic epoch. It is based on the Law of Superposition, which stipulates that the bottom layers in undisturbed rock sequences are older than the top layers.

Fossils give vital evidence for evolution and plant and animal adaption to their habitats. Fossil data documents how creatures evolved and how this process can be represented by a 'tree of life,' demonstrating that all species are connected to one another.

Therefore, the correct option is D) The greater number of spines provides some advantage to the fish.

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Answer:

septa are thin walls or partitions between the internal chambers.

Explanation: I wasn't really good at septas but i think this is correct

Answer:

A. POLYHEDRAL

The advantage of sexual reproduction in lycophytes is the occurrence of variation in organism.

The main advantage of sexual reproduction in lycophytes is the happening of variation in the physiology as well as genetic characteristics of the plant. Lycophytes usually produce spores which is a type of asexual reproduction in which identical type of offspring produce from the spores.

While on the other hand, if the lycophytes reproduce from sexual reproduction then different types of offspring produce which has different characteristics then its parents so we can conclude that the advantage of sexual reproduction in lycophytes is the occurrence of variation in organism.

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Answer:

el sapo

Explanation:el sapo

el sapo

A plant with small, silver-grey leaves that are oriented vertically is most likely to be found in a warm dry habitat.

A habitat is a dwelling place of a plant in which they live to survive. Such a place must have adequate supplies to enhance life forms such as:

The small plant with silver-grey leaves is known to be a cotton lavender.

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Answer:

The sun is the start of the water cycle

Explanation:

Water can not evaporate without the sun.

Answer:

A. June 20 or 21

Explanation:

In the Northern Hemisphere the summer solstice occurs on June 20 or 21 and the winter solstice on December 21 or 22. The situation is exactly... At the summer solstice, the Sun travels the longest path through the sky, and that day therefore has the most daylight.

Answer: A

Explanation: At a maximum potential magnification of 1 nanometer, TEMs are the most powerful microscopes. TEMs produce high-resolution, two-dimensional images, allowing for a wide range of educational, science and industry applications.

Mark brainliest pls

scientist use a transmission electron microscope (TEM) instead of a compound microscope to view a tissue sample, the TEM will produce an image with a higher resolution. Thus option 1 is correct.

A microscope is an instrument which produces large images of tiny  objects and provide observer a close view of minute structures at a convenient scale for examination and analysis.

Anatomically the microscope has  three structural parts, i.e. head, base, and arm, where head is known as the body and it carries the optical parts in the upper part of the microscope.

Base is used to support  and carries microscopic illuminators and Arms  which connect the base and the head and the eyepiece tube to the microscope base.

The optical parts are used to view, magnify, and produce an image from a specimen placed and the various pars are Eyepiece or ocular situated at the top of the microscope with standard magnification is 10X, Eyepiece Tube carries the eyepiece just above the objective lens.

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Answer:

Hotter

Explanation:

Upon turning on the lava lamp's light, the liquid at the bottom of the container, which is denser, will heat and expand. As the liquid expands, the volume of the liquid increases, and its density decreases.

Answer:

Dominant is the regular colored skin or melanin, and the recessive is albinism

For the OCA2 gene, dominant allele is the regular colored skin or melanin, and the recessive is albinism.

The OCA2 gene provides instructions for making a protein called the P protein. This protein is located in melanocytes, which are specialized cells that produce a pigment called melanin.

Several common variations in the OCA2 gene reduce the amount of functional P protein that is produced. Less P protein means that less melanin is present in the iris, leading to blue eyes instead of brown in people with a polymorphism in this gene.

OCA2 is the most common type of albinism in African Black OCA patients. The overall prevalence of OCA2 is estimated to be 1:36,000 in the USA, but is about 1:10,000 among African Americans.

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