________The vagina is a muscular tunnel that extend from the external genitalia to the uterus.

Answers

Answer 1

The vagina is a muscular tunnel connecting the external genitalia to the uterus, involved in reproduction, menstruation, childbirth, and sexual activity.

In the female reproductive system, the vagina—a muscular tunnel—connects the external genitalia with the uterus. It acts as a route for a variety of processes, including menstruation, delivery, and sexual activity. The elastic and smooth muscular tissues that make up the vaginal walls enable it to stretch and adapt to various activities. The inner lining of the vagina is comprised of mucous membrane and contains numerous blood vessels. The vaginal opening is situated between the labia minora. The vagina's structure and functions are crucial for maintaining the health of the female reproductive system because of its critical involvement in reproduction and sexual pleasure.

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Related Questions

Which suffix indicates enzyme?

Answers

The suffix that indicates enzyme, a specific type of proteins that binds to other protein to help the reaction to occur faster or different, is the suffix -ase. An example is the enzyme sucrase, used to break down a sugar called sucrose.

35. How does codominance violate Mendel's particulate inheritance hypothesis?

Answers

Mendel's particulate inheritance hypothesis proposed that each individual possesses two copies of a gene for a trait, which segregate during gamete formation and randomly unite during fertilization.

However, codominance violates this hypothesis by demonstrating that both alleles in a heterozygous individual are expressed equally in the phenotype, rather than one allele dominating over the other.

This means that both alleles contribute to the phenotype, rather than only one being expressed. This is seen in traits such as the ABO blood group system, where both the A and B alleles are expressed equally in individuals with the AB genotype, resulting in a phenotype with characteristics of both alleles.

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Which of the following correctly organizes these genetic terms in order from smallest to largest?
chromosome, gene, nucleotide, DNA molecule
O nucleotide, gene, DNA molecule, chromosome
O DNA molecule, nucleotide, gene, chromosome
O DNA molecule, nucleotide, chromosome, gene

Answers

i believe that answer B. nucleotide, gene, DNA molecule, chromosome is correct :)

have a good day :D

Answer:

B

Explanation:

Lit

What is it called when molecules move across the cell membrane from an area of high
concentration to an area of low concentration through a carrier protein

Answers

Answer:

Diffusion

Explanation:

Diffusion is the process by which molecules/particles move from an area of high concentration to low concentration until equilibrium has been achieved.

_______________ is the name for the process of clearing natural vegetation and replacing it with concrete and buildings.

Answers

The practice of removing natural vegetation and replacing it with concrete and structures is known as urbanization. This is the correct answer to fill in the blank.

What are the primary factors causing urbanization?

Industrialization, commercialization, rural-urban migration, lifestyle changes, career opportunities, social advantages, etc. are the primary reasons of urbanization. The process of urbanization is when people move from rural to urban areas for a variety of reasons.

What results did urbanization produce?

Urban areas can expand due to a rise in the population or because people move there. Urbanization frequently causes habitat loss, deforestation, and freshwater extraction from the environment, which can reduce biodiversity and change species ranges and interactions.

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Which labels would correctly model photosynthesis?

A:

B:

C:

D:

E:

Answers

Answer:

I don't know

Explanation:

Can't see the photos or answer options.

Photosynthesis: happens within chloroplasts, which are found in most plant cells. Inside this chloroplast, there are sacs called thylakoids. Chlorophyll, a light-absorbing molecule captures solar energy from light; most likely the sun. The captured energy is then converted into ATP and NADPH molecules, also known as chemical energy. The molecules then give off high-energy electrons, and the electrons then move through electron carrier proteins within the thylakoid membrane. The protein within the electrons pumps hydrogen ions into the thylakoid from the surrounding gel-like fluid inside the chloroplast called stroma The hydrogens that get pumped from the electrons then build up within the thylakoid space. The hydrogen ions move back to the stroma through a protein channel. The electron transport chain picks up high-energy electrons and hydrogen ions to form NADPH. The molecules then are able to carry high-energy electrons to the second stage of photosynthesis. As mentioned, chlorophyll molecules release high-energy electrons. The electrons then traveled through an electron transport chain and were then stored in NADPH molecules with hydrogen ions. For this to repeat the electrons and hydrogen ions must be replaced. A water-splitting enzyme removes electrons for the water molecules and then supplied them to the chlorophyll molecules. In doing so, the water molecules split apart into oxygen molecules and hydrogen ions. The ions and chlorophyll are now available for future cycles of light-dependent reactions. The oxygen is released into the air, ending the photosynthesis process.

A simple explanation:  The plant cells convert solar energy(sunlight) into food with the help of H20(water) and C02 (carbon dioxide) in turn in this process the plant releases oxygen.

Hope this helps you choose your answer. :)

what type of oil is worse for a healthy lifestyle

Answers

Hydrogenated oil, which is found in process foods. These are in other words the artificial trans-fat category which are made by adding in hydrogen to liquid just so they can become a solid.

HELP ASAP
Joe is experimenting to determine which liquid will cause bean plants to grow faster. He watered the plants with equal amounts of liquid and measured their height every other day. The plants are in the same pots with different soils and placed in the same location. Will Joe be able to obtain reliable data to write a supported conclusion?
Yes, because he is only observing the height of the plant.
Yes, because he is consistent with watering the plants.
No, because he used different soils.
No, because he uses only one type of plant.

Answers

Answer:

No, because he used different soils.

Explanation:

which liquid will cause bean plants to grow faster.

He watered the plants with equal amounts of liquid and measured their height every other day.

The plants are in the same pots with different soils and placed in the same location.

Ok so last statement made the experiment wrong.

As a constant variable the soil should be the same for all plants only the liquid should change

Which renewable resource is not at risk?
1) Fisheries
2) Petroleum
3) Forest
4) Ground water

Answers

Answer:

C, forest.

Explanation:

Trees are easily replaceable. With the other options, those are all considered non renewable energy sources. Those take millions of years to form. When we look at fishery, people can do what's called "overfishing" when they fish too much faster than fish can reproduce. Therefore making C your best answer choice.

what moves the food from your mouth to your stomach when you swallow? a. pressure difference between zones of the esophagus b. gravity enzymes excreted by the salivary glands c. peristaltic muscle contractions

Answers

When you swallow, peristaltic muscular contractions transfer food from your mouth into your stomach. Here option C is the correct answer.

When you swallow food, the process involves a coordinated effort of several mechanisms to move the food from your mouth to your stomach. The primary mechanism responsible for this movement is peristaltic muscle contractions.

Peristalsis refers to the rhythmic contraction and relaxation of muscles in a wave-like motion. In the case of swallowing, peristalsis occurs in the esophagus, a muscular tube connecting the mouth to the stomach. As you initiate the swallowing reflex, the food bolus is propelled through the esophagus by sequential waves of muscular contractions. These contractions squeeze the walls of the esophagus, pushing the food forward in a coordinated manner.

The pressure difference between different zones of the esophagus also plays a role in facilitating the movement of food. When you swallow, the upper esophageal sphincter relaxes, allowing the food to enter the esophagus. Subsequently, the lower esophageal sphincter relaxes, allowing the food to enter the stomach. These sphincters help maintain pressure differences between the different regions, ensuring the unidirectional flow of food.

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CO
Why are liquids usually difficult to compress?
a. Their atoms are held in position
b. Their atoms are already packed closely
together
c. Liquids have a definite shape
d. Liquids are not difficult to compress
Please select the best answer from the choices provided
Ο Α
B
Ο ΟΟΟ
С

Answers

The answer is b. Their atoms are already packed closely together
Option b is the correct option

what happen in meiosis during telophase II​

Answers

Answer:

the chromosomes reach opposite poles, cytokinesis occurs, the two cells produced by meiosis I divide to form four haploid daughter cells, and nuclear envelopes form.

-Micoevolution.net

Explanation:

Finally, during telophase II, the chromosomes are enclosed in nuclear membranes. Cytokinesis follows, dividing the cytoplasm of the two cells. At the conclusion of meiosis, there are four haploid daughter cells that go on to develop into either sperm or egg cells.

What is the difference between meiosis one and meiosis two? Plzzzz hurry

Answers

Answer:

See Explanation for Full Details

Explanation:

Meiosis I:

crossing over/recombination of genetic material between chromosome pairshomologous pairs of cells are separated into chromosomes

Meiosis II:

no crossing over/recombination of genetic material between chromosome pairshomologous pairs of cells are separated into chromosomes, and further separated into sister chromatids
What is the difference between meiosis one and meiosis two? Plzzzz hurry

Inactivation of a transporter in the presynaptic membrane would be expected to
A) increase the levels of the transmitter in the synapse.
B) increase synthesis of the transmitter.
C) increase reuptake of the transmitter.
D) provide negative feedback on synthesis or release of transmitter.
E) increase the transmitter synthesis.

Answers

Inactivation of a transporter in the presynaptic membrane would be expected to increase the levels of the transmitter in the synapse.

The presynaptic membrane contains transporters. The synaptic cleft is the place where the transporter works. Neurotransmitter is transported back into the cell and recycled. Because of the inactivation of a transporter in the presynaptic membrane, the transporter is no longer functional. As a result, neurotransmitters are not recycled and are trapped in the synapse. The concentration of neurotransmitters in the synapse is therefore raised.

The synaptic cleft is a gap between the presynaptic neuron and the postsynaptic neuron. When the presynaptic neuron is activated, it releases neurotransmitters into the synaptic cleft. Neurotransmitters travel from the presynaptic neuron to the postsynaptic neuron via the synaptic cleft. Transporters are in the presynaptic membrane and serve to transport neurotransmitters back to the cell to be recycled. If the transporter is inactivated, it will no longer be able to transport neurotransmitters back to the cell.

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Which of these is NOT a digestive enzyme?
lipase, protease, catalase, amylase

Answers

Answer: Which of these is NOT a digestive enzyme?

C. catalase

Explanation: The enzyme that is NOT a digestive enzyme is catalase.

Enzymes are proteins that help facilitate chemical reactions in the body. Digestive enzymes specifically help break down food into smaller molecules that can be absorbed by the body.

Let's go through each of the enzymes mentioned:

1. Lipase: Lipase is a digestive enzyme that breaks down fats into smaller molecules called fatty acids and glycerol. This allows the body to absorb and utilize the fats we consume in our diet.

2. Protease: Protease is a digestive enzyme that breaks down proteins into smaller molecules called amino acids. This is important because amino acids are essential for building and repairing tissues in the body.

3. Catalase: Although catalase is an enzyme, it is not involved in the process of digestion. Instead, it plays a role in protecting cells from the toxic effects of hydrogen peroxide by converting it into water and oxygen.

4. Amylase: Amylase is a digestive enzyme that breaks down carbohydrates, specifically starches, into smaller molecules like glucose. This allows the body to absorb and utilize the energy stored in carbohydrates.

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The primary transcript of a mRNA molecule is like which of the following?

A-An exact copy of a DNA molecule.

B-A rough draft that must be edited.

C-A series of three or more anticodons.

D-The final draft that is ready for protein synthesis.

100 POINTS

Answers

Answer: A

Explanation: Obivously it would give dna molecule


Mark Brainliest

As the body breaks down large molecules into smaller molecules that the
cells can absorb, it is exposed to bacteria and viruses on a regular basis.
Which two body systems are interacting to keep you safe from invading
organisms and chemicals?

F. digestive and endocrine

G. endocrine and reproductive


H immune and digestive

J. respiratory and muscular

Answers

Answer:

H. Immue and digestive

Explanation:

The immune system fights pathogens protects us from them, the digestive system destroys pathogens that may be in our stomach or intestines.

Complete the statements to describe sporulation and vegetative propagation.

During sporulation, offspring develop from tiny structures called
.

During vegetative propagation, offspring grow from parts of the parent
.

Answers

Explanation:Vegetative propagation does not require seeds or spores to produce offspring. In this propagation, offspring grow from a specific part of the parent plant.Potato plants reproduce using tubers.

Answer:

1. Spores

2. Plant

Explanation: I got it right

Adding what groups to histones tightens the DNA and prevents transcription.

Answers

Answer: Addition of methyl groups to histones by histone methyltransferases, can either activate or further repress transcription, depending on the amino acid being methylated and the presence of other methyl or acetyl groups in the vicinity. The fundamental unit of chromatin, called a nucleosome, contains DNA wound around a protein octamer.

Explanation:


Describe the movement of water if cells are in a hypertonic solution, hypotonic solution, and isotonic solution.
Why?

Answers

Water molecules move inside the cell in a hypotonic solution causing it to swell


Water molecules move outside the cell in a hypertonic solution causing it to shrink


Water molecules in an isotonic solution does not move inside or outside the cell and the cell’s volume will remain stable

An organism’s traits are largely determined by the genetic makeup of its parents. A mutation in which kinds of cells in a parent could cause a new trait to appear in the parent’s offspring?.

Answers

Answer:

Gametes

Explanation:

Gametes( sperm and egg) are cells that contain half of our chromosomes(46 chromosomes in humans meaning each gamete has 23 chromosomes)

These are also how your traits are passed down from each parent so a mutation in one these cells could cause a new trait in offspring.

A model of transcription and a codon chart are shown



Which amino acid would be coded first from the DNA strand being transcribed?

A model of transcription and a codon chart are shownWhich amino acid would be coded first from the DNA
A model of transcription and a codon chart are shownWhich amino acid would be coded first from the DNA

Answers

Answer:3

Explanation:

The codon AUG, often known as the start codon, designates methionine. As a result, when building proteins, methionine is the first amino acid to dock in the ribosome.

What are the amino acids that involve in transcription?

The first codon in the transcribed mRNA to undergo translation is the codon AUG, which is why it is known as the start codon.

The most prevalent start codon, AUG, codes for the amino acids' methionine (Met) and formyl methionine (fMet) in eukaryotes and prokaryotes, respectively.

The universal start codon AUG is predetermined by the rational construction of hypothetical minimum RNA rings.

Therefore, By designing theoretical minimal RNA rings and potential ancestral genes in silico, this design maximizes coded amino acid variety across a short sequence length.

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In the 1970s, the U.S. government passed laws to protect the water supply.
Which of the following best describes something these laws were intended to
do?
OA. Protect wetlands from future development
OB. Return all wetlands to their original conditions
OC. Create new wetlands in each state
OD. Convert lakes into marshes and swamps

Answers

Answer:

A. Protect wetlands from future development

Write a paragraph explaining how genetic variation, reproductive strategies and environmental pressures have impacted the survival of populations. Identify a specific example for each in your discussion.

Answers

Answer: Genetics and Pressures

Explanation:

For natural selection to occur, a population must have a wide variety of individuals with different traits. For example, natural selection would not influence fish body color if all individuals in a population were exactly the same color. Variation of scale color can help a fish species have a higher chance of survival by confusing predators as to what species they are.

Reproductive strategies represent a set of behavioral, morphological, and physiological adaptations that facilitate access to potential mates, improve the chances of mating and fertilization, and enhance infant survival. Male peacocks have bright, big tail feathers, for example, to attract females. If an organism has a high appeal, this will make them more likely to be able to meet and continue the survival of the species.

Environmental pressures, such as plant death, could influence the survival of herbivorous organisms. Say a small land creature consisted off grass, and an epidemic killed all the grass in their region. They would either die off, or they would evolve to find different types of food. The former could reduce population, while the latter could increase it.

write the general characteristics of bryophytes?​

Answers

Explanation:

Vascular tissues are absent.

-Sex organs are multicellular and jacketed.

-Archegonium is flask shaped with tubular neck and a swollen venter. ...

-Sexual reproduction is of oogamous type. .

-The sporophyte of sporogonium is parasitic over the gametopphyte.

Answer:

Plants occur in damp and shaded areas.

The plant body is thallus like, i.e. prostrate or erect. It is attached to the substratum by rhizoids, which are unicellular or multicellular. They have a root-like, stem-like and leaf-like structure and lack true vegetative structure.

Look at image please

Look at image please

Answers

Answer:

This is easy: 2 Hydrogen and 1 Oxygen!

Explanation:

H20 means 2 H and 1 O

Answer:

Explanation:

please just pair them i really needed help on this one like really

please just pair them i really needed help on this one like really

Answers

phenotype-b

genotype-d

homozygous dominant-a

homozygous recessive-c

heterozygous-e

i believe this is correct i’m doing the same thing in my class

hope this helps :)

How does DNA create chromosomes ?

Answers

Answer:

A single length of DNA is wrapped many times around lots of proteins? called histones, to form structures called nucleosomes. These nucleosomes then coil up tightly to create chromatin loops. The chromatin loops are then wrapped around each other to make a full chromosome.

The cubs of spotted hyenas often begin fighting within moments of birth, and often one hyena cub dies. The mother hyena does not interfere. How could such a behavior hav…
The cubs of spotted hyenas often begin fighting within moments of birth, and often one hyena cub dies. The mother hyena does not interfere. How could such a behavior have evolved? For instance:
a. From the winning sibling's point of view, what must (benefit of siblicide) be, relative to (cost of siblicide to favor the evolution of siblicide?
b. From the parent's point of view, what must be, relative to for the parent to watch calmly rather than interfere?
c. In general, when would you expect parents to evolve "tolerance of siblicide" (watching calmly while siblings kill each other without interfering.

Answers

This behavior allows for the strongest offspring to survive and pass on their genes, increasing the chances of future generations' survival.

The behavior of hyena cubs fighting from birth is a result of competition for resources and the need for survival.

From the winning sibling's point of view, the benefit of siblicide would be gaining access to more resources such as food, water, and maternal care. The cost of siblicide would be losing a potential ally or future mate.

From the mother's point of view, the survival of one strong offspring is more important than the survival of multiple weak ones.

Therefore, the parent may watch calmly rather than interfere to ensure the survival of the strongest cub.

In general, parents would evolve "tolerance of siblicide" when resources are limited, and survival is difficult.

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List and explain three examples of evidence for Evolution by naturalselection

Answers

The three main examples of evidence for Evolution by natural selection are:

1. Fossil evidence - fossils are preserved remains of living beings, such as animals, plants and other organisms from the past. The show how those organisms were in the past and they can be ued to try ato understand how they evolved;

2. Biogeographical evidence - biography is the study of the geographical distribution of organisms, and it can help us understand migratory movements that could result in different species living in different places but from the same ancestor, for example, among other things (like how and when species may have evolved);

3. Anatomical evidence - anatomical evidences are similarities in anatomy and structure of different organisms, showing that they could be related.

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