Which structure encloses a human cell and controls the traffic of molecules in and out of the cell?.

Answers

Answer 1
cell membrane would be the answer. because you said human cell, cellular membrane aka phospholipid bilayer is the answer

Related Questions

Organisms use nitrogen in which way?

Answers

Answer:

B

Explanation:

Most traveler's diarrhea is caused by ________. Multiple Choice ingesting unfamiliar spices parasites, especially Cryptosporidium, in the water supply viruses, such as hepatitis A, spread by food handlers bacterial infections, especially Shigella dysenteriae, from contaminated food and water

Answers

Most traveler's diarrhea is caused by from contaminated food and water.

What is Diarrhea?

This is defined as loose and watery stool which is usually caused by

pathogens as a result of contaminated food and water.

The contaminated food and water when ingested by travellers infects the

bowel system thereby leading to pain in the stomach and watery stool

which often contains the parasites.

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A volcanic eruption changes the environment and separates a population of foxes. These two new populations are no longer able to get to each other to interbreed. What type of isolation has occurred?

A) Geographic
B) Behavioral
C) Hybrid Sterility
D) Temporal

Answers

Answer:

1d 2c 3a 4b

Explanation:

bc it goes in order

Answer:

A) Geographic

Explanation:

I just took the quiz

Cell junctions in plant cells are called __________, and communicating junctions in animal cells are called __________.

Answers

Cell junctions in plant cells are called plasmodesmata and communicating junctions in animal cells are called gap junctions

Cell junctions in plant cells are called Plasmodesmata, and communicating junctions in animal cells are called gap junctions.

What is Plasmodesmata?

Plasmodesmata may be defined as a type of cell junction that demonstrates the process of adhesion between plant cells mediated by their cell wall.

It occurs in the plectin-rich region (middle lamellae) in the plant cells. It is one of the only classes of intercellular junctions that occurs significantly in plants. For example, the endoplasmic reticulum transfer through these plasmodesmata.

While Gap junctions are channels that link two cells' cytoplasm. It facilitates the open passage of ions or molecules because it provides direct connections between the cytoplasm of two adjacent cells. The proteins involved are the connexin family.

Therefore, cell junctions in plant cells are called Plasmodesmata, and communicating junctions in animal cells are called gap junctions.

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#SPJ2

Why is spotify still streaming when i have cell data off.

Answers

I really don’t know that’s really confusing... do you still have Internet or do you have self internet turned on?

How would a shift in land use from forest to agriculture affect atmospheric carbon dioxide?.

Answers

Answer:

it would result in a large release of CO2. The absorption of infrared radiation by clouds, water vapor, carbon dioxide, and other atmospheric gases is called: greenhouse effect.

If you could own any pet, what would it be and why? Be as specific as possible.

Answers

Dogs because, owing a dog can help me live longer and dog owners have a low risk of death dogs also make me have lower blood pressure levels and improve response to stress other then that they are super cute and come in different colours and types

Natural Selection results in -

Group of answer choices

all harmful traits being eliminated

long-lasting adaptations

a perfectly adapted group of organisms

a population that is adapted to an environement

Answers

Answer:

a population that is adapted to an environment

Lemurs and humans belong to the order Primates. The order is often split into two suborders based on the presence or absence of moisture on the nose which of the following best describes the amount of each taxonomic level within the order Primates?:

A: Order Primates
. 72 families
. 16 genera
. 240 species

B: Order Primates
. 240 families
. 72 genera
. 16 species

C: Order Primates
. 72 families
. 240 genera
. 16 species

D: Order Primates
. 16 families
. 72 genera
. 240 species

Answers

Taxonomy is a classification study or organisms according to different characteristics. According to taxonomic studies, the order primates is composed of 16 families, 72 genera, and 240 species. Option D.

What is taxonomy?

Taxonomy is the study of different organisms and their classification into categories.

Classification is done according to their morphological and molecular characteristics and their evolutionary relationships.

A binomial name is assigned to each organism.

Which are the categories into which organisms are classified?

Domains are the highest taxonomic category in which living beings can be grouped or divided. There are three domains: archaea, bacteria, and eukarya.

Kingdom: Includes different phyla closely related. The bacteria domain includes the Eubacteria kingdom. The archaea domain includes the archaebacteria kingdom. Finally, the eukarya domain is divided into four kingdoms: Protist, Fungi, Plantae, and Animalia.    

Phylum: Includes different classes closely related.

Class: Includes different orders closely relates.

Order: Includes different families closely related

Family: Includes different genera closely relates

Genus: Includes many species.

Species

In the case of the order primates, we can find 16 families, 72 genera, and 240 species.

The correct option is D.

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Explain blood curculation in human body in brief (in 100 words)​

Answers

circulatory system pumps blood from the heart to the lungs to get oxygen. The heart then sends oxygenated blood through arteries to the rest of the body. The veins carry oxygen-poor blood back to the heart to start the circulation process over. Your circulatory system is critical to healthy organs, muscles and tissues.

The bone marrow cell from which all formed elements are derived is considered to be a ______ because it can differentiate into many different kinds of cells.

Answers

The bone marrow cells are considered to be stem cells

What are Stem cells?

Stem cells are young undifferentiated cells in the body of organisms.

Stem cells are capable of differentiating to become specialized for specific functions in tissues, organs, or organ systems.

Bone marrow cells are capable of differentiating into platelets and red blood cells.

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Which brain scan provides us with structural and functional information?.

Answers

Answer:

Computed Tomography (CT)

Common approaches to investigating brain structure and function. Computed Tomography (CT) is a widely accessible structural imaging technique that uses highly focused X-ray beams to take multiple cross-sectional images of the brain [16,17].

A process that cannot produce genetic variation in bacterial populations is Group of answer choices transduction conjugation mutation meiosis

Answers

Answer:

D meiosis

Explanation:

they are as exual and do mitosis

A type of transport protein that binds to their solute and undergoes conformational changes.

Answers

Answer:

Carrier Proteins.

Explanation:

It binds the specific solute to be transported and undergo a series of conformation changes to transfer the bound solute across the membrane.

3. How does the misuse of antibiotics affect the evolution of disease-causing bacteria? Use the theory of natural selection to explain the growing resistance to antibiotics.​

Answers

Answer: Antibiotic resistance occurs due to natural selection. These bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation. Because of natural selection, they are learning to fight the antibiotics and spread. The bacteria becomes stronger and stronger.

PLEASE ANSWER. WILL GIVE BRAINLISTISSSSSS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer: I say the answer is "an identical environment" because, If the organism is genetically identical then that means that not much would have to change as in the organisms features.

Which evolutionary mechanism caused the increase in dark-colored Biston betularia moths in England in the 1800s?

A. Gene Flow
B. Genetic Drift
C. Natural Selection
D. Overproduction

Answers

The answer is c I did this like 2 days ago

how heat energy from the sun powers the water cycle?

Answers

Answer:

Heat causes liquid and frozen water to evaporate into water vapor gas, which rises high in the sky to form clouds.

Explanation:

Question in the picture.

Answers

The unusual thing about this is that all of their offspring should've been dark brown in colour but instead was light tan. This should've been impossible because light tan is a recessive trait, meaning both parents must pass on the recessive allele but since none of the male snakes carried this allele, how could any of his children be light tan?

Proteins are synthesized by cellular organelles called.

Answers

Proteins are synthesized in living organisms by cellular organelles called: ribosomes.

What is ribosome?

A ribosome can be defined as a cellular organelle that is typically saddled with the responsibility of synthetizing or building up of proteins.

Also, ribosomes are made up of ribonucleic acid (RNA), which are generally found in the cells of living organisms such as animals, humans, etc.

In conclusion, proteins are synthesized in living organisms by cellular organelles called ribosomes.

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How are photosynthesis and cellular respiration chemically opposite.

Answers

Answer: During photosynthesis, CO2 is absorbed and oxygen is released, whereas during cellular respiration, oxygen is absorbed and CO2 is released.

What term is applied when two genes fail to assort independently, that is, they tend to segregate together during gamete formation?.

Answers

Hi there!

Linkage is the term applied when two genes fail to assort independently.

RESULT ?

The result is that the parental traits will be maintained.

Also, the linked genes sit close together on a chromosome, making them likely to be inherited together (left).

IMPORTANCE

When the chromosomal location for a disease phenotype has been established, then the genetic linkage scrutiny helps determine whether the disease phenotype is only caused by mutation in a single gene or mutations in other genes, giving rise to an identical or similar phenotype.

Hope that helps!

Which term describes the time interval after primary infection when a microorganism lives within the host without producing clinical evidence

Answers

occur. Colonization: Definition. • Colonization: presence of a microorganism on/in a host, with growth and multiplication of the organism, but without interaction between host and organism (no clinical expression, no immune response).

What is needed for DNA replication? Select all that apply.
A. enzymes to break the hydrogen bonds of the DNA molecule
B. free nucleotides
C. free amino acids
S
D. polymerase to join nucleotides onto the template DNA strand
E.
genetic information that helps speed up the process

Answers

All the statement above are stages and steps involved during DNA replication

Th enzymes known as helicase helps to break the hydrogen bonds of the DNA molecule

There is are free nucleotides in the process

There are free amino acids

Polymerase to join nucleotides onto the template DNA strand during DNA replication

And above all, there exist; genetic information that helps speed up the process

What is DNA replication?

DNA replication is the simply means a process whereby double-stranded DNA molecule is copied to produce two different identical DNA molecules. The whole process of DNA replication are summed up in just three phases. These are:

InitiationElongationTermination

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Cellular and plasmodial slime molds belong to what major lineage of eukaryotes?.

Answers

Answer:

Amoebozoa

Explanation

Amoebozoa is a major taxonomic group containing about 2,400 described species of amoeboid protists,

How is alternative splicing used for medical patients?

Answers

Answer:

Alternative splicing affords a significant evolutionary advantage by providing a large source of proteomic diversity. Alternative splicing is often regulated at the tissue level, and tissue-specific variants cooperate to modulate protein–protein interaction networks

Explanation:

What is the area of the equilateral triangle with the length of each side equal to a? One-half a sine (60 degrees) 3 a sine (60 degrees) One-half a squared sine (60 degrees) a squared sine (60 degrees).

Answers

The area of an equilateral triangle can be written as a squared sine (60 degrees). Option D is correct.

What is an equilateral triangle?

The triangle in which all three sides are of the same length. In this the all angles are the same 60°.

The area of a triangle can be calculated by,

[tex]A =\dfrac 12 \times b \times h[/tex]..................1

Where,

A - Area of triangle

b - base

h - height

From, Pythagoras Theorem

[tex]a^2 = h^2 + (\dfrac a2)^2\\\\h^2 = a^2 - (\dfrac {a^2}4)\\\\h^2 = \dfrac {(3a2)}4\\\\[/tex]

Put the value of “h” in equation 1

[tex]A =\dfrac 12 \times a \times \dfrac 12 \sqrt {3a}\\A =\dfrac { \sqrt 3}4 a^2[/tex]

Since √3/4 is equal to the sin60°.

So, [tex]A =\rm \ sin60^o \ a^2[/tex]

Therefore, the area of an equilateral triangle can be written as a squared sine (60 degrees).

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Answer: C, 1/2a^2sin(60*)

Explanation:

if you scrolled to find a short answer same tbh

The proportion that each species represents of all the individuals in a community is an important factor that influences the stability of an ecosystem. Which of the following terms does this describe?

a
Relative abundance

b
Relative composition

c
Species diversity

d
Species richness

Answers

Answer:

c-

Explanation:

species diversity allows the food chain to continue in a constant and natural pace

Answer:

Relative Abundance

Explanation:

Describe the political actions that led to successful‘s conservation in the forest industry. Use the article Community Conservation and Using Forests Wisely answer this question for both article

Answers

the political actions that led to success conversation in the forest industry is What they call is a FC company that makes the forest industry true they make it out of a factory it can make it very successful and accomplished.

best explains the role of heat and pressure in the rock cycle

Answers

Answer:

Heat is essential in melting rocks. Once the preexisting rock melts and then cools inside or on the earth's crust igneous rocks are formed. Heat and pressure are essential in the process of metamorphism. Heat can create new rocks from preexisting rocks by a process called contact metamorphism, forming rocks such as hornfels. Pressure can create foliated rocks such as schist's, slate and gneiss

Explanation:

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