a. Desmosomes join an actin bundle in one cell to a similar bundle in a neighboring cell. 5. b. Plasmodesmata 6. span intervening cell walls and are cytoplasmic channels lined with plasma membrane. c. GAP junctions 7. form channels that allow small, water soluble molecules, including inorganic ions and metabolites, to pass from cell to cell. d. Adherens junctions 8. join intermediate filaments in one cell to a neighboring cell and is characteristic of tough exposed epithelia such as in the epidermis of skin. e. Hemi-desmosome
Answers
5. Adherens junctions join an actin bundle in one cell to a similar bundle in a neighboring cell.
6. Plasmodesmata span intervening cell walls and are cytoplasmic channels lined with plasma membrane.
7. GAP junctions form channels that allow small, water-soluble molecules, including inorganic ions and metabolites, to pass from cell to cell.
8. Hemi-desmosomes join intermediate filaments in one cell to a neighboring cell and are characteristic of tough exposed epithelia such as in the epidermis of the skin.
5. Adherens junctions are cell junctions that connect adjacent cells and provide mechanical strength and stability to tissues. They are formed by transmembrane proteins called cadherins, which interact with actin filaments inside the cell. Adherens junctions play a crucial role in cell-cell adhesion and tissue organization. They join the actin cytoskeleton of one cell to the actin cytoskeleton of a neighboring cell, forming a continuous bundle of actin filaments across the cell junctions.
6. Plasmodesmata are specialized channels that traverse the cell walls of plant cells, connecting the cytoplasm of adjacent cells. They are lined with plasma membrane and facilitate the exchange of various molecules and signals between neighboring cells. Plasmodesmata play a vital role in communication, transport, and coordination within plant tissues. They allow the movement of water, ions, nutrients, proteins, and even RNA molecules between cells, contributing to the functional integration of plant tissues and organs.
7. GAP junctions are specialized protein channels that enable direct communication between adjacent cells. These channels are formed by connexin proteins and allow the passage of small molecules, such as ions, metabolites, and second messengers, between cells. GAP junctions play a crucial role in coordinating cellular activities, electrical signaling, and metabolic coupling. They are found in various tissues, including cardiac muscle, smooth muscle, and the nervous system, where they facilitate rapid and synchronized communication between cells.
8. Hemi-desmosomes are specialized cell junctions found in epithelial tissues that are subjected to mechanical stress, such as the epidermis of the skin. They anchor intermediate filaments, such as keratin filaments, to the basement membrane, providing strong adhesion between cells and the underlying tissue. Hemi-desmosomes contribute to the structural integrity and stability of the tissue by preventing cell detachment. They play a critical role in withstanding mechanical forces and maintaining the overall structure and function of the epithelial layer.
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The complete question is:
Fill in the blanks using a. Desmosomes b. Plasmodesmata c. GAP junctions d. Adherens junctions e. Hemi-desmosome
5. _______ join an actin bundle in one cell to a similar bundle in a neighboring cell.
6. _______ span intervening cell walls and are cytoplasmic channels lined with plasma membrane.
7. _______ form channels that allow small, water soluble molecules, including inorganic ions and metabolites, to pass from cell to cell.
8. _______ join intermediate filaments in one cell to a neighboring cell and is characteristic of tough exposed epithelia such as in the epidermis of skin.
Related Questions
Which statement best explains why the classification
schemes of taxonomists have changed over time?
A. New technology like DNA sequencing allows scientist to have a more accurate genetic evolutionary history
B. New information about the genetics of species is being discovered.
C. Molecular biology has provided more detailed evidence for the relationships
between organisms.
D. All of the above
Answers
Answer:
D.
Explanation:
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Classification of organisms is defined as dividing living beings into different kingdoms based on their genetics, traits, and other features.
Why did Classification Schemes of taxonomists change?Taxonomists arrange and divide the organisms based on the DNA, traits, and features of the living organisms. The advancements in technology led the taxonomists to have more information on genetic lineage and arrange them accordingly. Introduction and discoveries of new species, their genetic make-up, and traits also contribute to the change of classification system. Molecular biology, cellular level studies, and genetics of species have contributed to the classification of organisms.
Thus, the given statements about the classification of organisms are correct.
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Anatomy
Label each of the following structures or processes.
Answers
Answer:
A - DNA
B - mRNA
C - nuclear pore
D - tRNA
E - ribosome
F - rRNA
Explanation:
The entire structure illustrates the process of transcription and translation in a typical eukaryotic cell.
The DNA (A) in the nucleus of the cell is first transcribed to mRNA (B). The mRNA produced is transported to the cytoplasm through the openings within the nuclear membrane - the nuclear pores (C). On getting to the cytoplasm, the mRNA binds to the ribosome (E) (carrying rRNA, F). The tRNA (D) carrying the specific anticodon for a particular codon on the mRNA then binds to the structure and the corresponding amino acid is released. A polypeptide bond is formed between subsequent amino acids and the ribosome moves along the mRNA chain until the translation process is complete.
pls ans this qa i will mark u as brainlist ans
Answers
ans b
Explanation:
milk teeth are less than permanent teeth
What do you think would have the greatest effect on the body—a harmful mutation in a pluripotent embryonic stem cell
Answers
Answer:
This question lacks options, the complete question is: What do you think would have the greatest effect on the body—a harmful mutation in a pluripotent embryonic stem cell, or a harmful mutation in an adult multipotent stem cell?The correct answer is a harmful mutation in a pluripotent embryonic stem cell.
Explanation:
Pluripotent Stem Cells can self-renew and differentiate into any of the three germ layers, which are: the ectoderm, the endoderm and the mesoderm. These three germ layers subsequently differentiate to form all the tissues and organs within a human being. If during embryonic development, genetic mutations - alterations in genes - occur in the embryonic stem cell, they pass to daughter cells as a consequence of cell division, and an individual is generated whose cells differ at the genetic level. Multipotent stem cells are organospecific cells, that is, they can give rise to any type of cells but from a specific organ (a lung, a kidney or the brain). Their differentiation ends the moment they specialize and become a cell with a specific function within a specific tissue or organ. If there were a mutation in these cells, it would damage a specific designed tissue or organ.
1. A group of individuals of the same species that mate and produce offspring is called a
A. gene pool.
B. niche.
C. genetic family.
D. population.
2. Any change in the genetic material of a cell is called a
A. mutation.
B. single-gene trait.
C. genotype.
D. polygenic trait.
3.In genetic terms, evolution is defined as any change in the relative frequency of
A. a single-trait gene of a population over time.
B. alleles in the gene pool of a population over time.
C. genes in a population over time.
D. phenotypes of a population over time.
Answers
2:a
3:a
Looked them up but you know the internet and what you have been taught could be different so good luck
Two plants were being tested for growth. Both were given water and proper soil, etc. However, one was placed in the closet, and one was placed in the window sill. Why did the one in the closet die?
Question 4 options:
It did not have chloroplasts.
It was not around other plants.
It did not receive sunlight.
It was not around people enough.
Answers
Answer:
It did not receive sunlight.
Explanation:
Plants need sunlight to survive along with water and nutrients from the soil.
nsjkcccccsncdjjjjjjjjjjjjjjjjjjjjjjjjjcnndhhhhhhdsallllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllldccccccccccccccccccccccccccccccccccccccccccccc
Answers
Answer:
any problem with anthing??
they go upwards when photosynthesis doesn’t occur (winter) to provide nutrients and cellular energy to parts like the leaves
Scientists want to investigate the effects of chronic acidification on a desert ecosystem. Which independent variable are the scientists most likely monitoring in their investigation? a. The amount of fog during different times of the year b. The composition and amount of seasonable melt water c. The daily production of sulfur dioxide by a nearby factory d. The heaviest traffic periods of the year
Answers
The independent variable is the scientists most likely monitoring in their investigation for the investigate the effects of chronic acidification on a desert ecosystem - c. The daily production of sulfur dioxide by a nearby factory
Chronic acidificationEcosystems result in chemical changes to soil and to surface waters and groundwater as a result of reduction of base cation or H⁺. The major effects of SO2 emission have on the soil system
An increase in contents of total sulfur, organic carbon, and exchangeable Al, leads to a lowering of pH and causes acidification of soil. Fog does not participate in acidification
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Answer: the daily production of sulfur dioxide by a nearby factory
Explanation: it was correct on the quiz
1 point
Which explanation best identifies the relationship between mitosis and
reproduction? *
Mitosis is a form of sexual reproduction because the daughter cells form from one
single parent cell.
Mitosis is a form of sexual reproduction because the daughter cells are genetically
different from the parent cell.
Mitosis is a form of asexual reproduction because the daughter cells form a new
nuclear membrane after reproduction
Mitosis is a form of a sexual reproduction because the daughter cells are genetically
identical to the parent cell.
Answers
Answer:
Mitosis is a form of sexual reproduction because the daughter cells are genetically identical to the parent cell.
Explanation:
If you look up your question, it will give this exact answer.
Does anyone know how to do these 2?
Answers
Answer:
use this
Explanation:
dude dont get mad at me
What are the biological implications of the structure of the plasma membrane (how do your results about the fluid mosaic and findings relate to life and death in the ‘real’ world? Where could the materials you worked with be found affecting the real world?)
Answers
Answer:
Structure of Plasma Membranes
The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
Explanation:
The atomic number of Re is 75. The atomic mass of one of its isotopes is 186. How many electrons are in this particular isotope.
Answers
Answer:
75 electrons
Explanation:
Since there is no charge, electrons and protons are the same number. Atomic numbers indicate the amount of protons.
Is the Great Green Wall an example of Secondary Succession?
Answers
Answer:
The Great Green Wall is taking root in Africa's Sahel region, at the southern edge of the Sahara desert. The Great Green Wall is a symbol of hope in the face of one of the biggest challenges of our time - desertification. This game changing African-led initiative aims to restore Africa's degraded landscapes and transform millions of lives in one of the world's poorest regions, the Sahel.
Primary succession occurs on land where no previous growth has taken place and there is no substrate/soil. Secondary succession occurs on land where there has been previous growth, the soil and seed bank makes up the substrate.
Explanation:
I majored in Biology
Which organism(s) between w,x,y and z represent a secondary consumer ?
1.x
2.w and y
3. W,y and z
4.z
Answers
1.
Young hermit crabs pick up sea anemones which live on their shells. The stingy tentacles of the anemone keep fish from eating the hermit crab, and the sea anemone is able to eat leftover food from the hermit
crab. Which best describes the relationship between the sea anemone and the hermit crab?
A commensalism
B. O mutualism
c. parasitism
DO predation
Answers
Answer:
mutualism.
Explanation:
Mutualism can be defined as an symbiotic relationship or interaction between two or more living organisms of different species that typically involves each organism benefiting positively. Therefore, mutualism influences the survival and reproduction of living organisms in their habitats.
In this scenario, young hermit crabs pick up sea anemones which live on their shells. The stingy tentacles of the anemone keep fish from eating the hermit crab, and the sea anemone is able to eat leftover food from the hermit crab. Therefore, the relationship between the sea anemone and the hermit crab is best described as mutualism because both of them are benefiting from the interaction.
Simply stated, the sea anemone provides protection (security) from predators for the hermit crab while the hermit crab provides food for the sea anemone.
PLEASE I NEED HELP ILL GIVE BRAINIEST !!!!
Answers
Answer:
the correct sequence of arrangement of level of ecological organization from least to most inclusive is organism,population, community
Answer:
Its below in the explanation
Explanation:
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
Since species is the widest category.
which is the longest part in the alimentary canal???
Answers
Answer:
small intestine
Explanation:
Can someone help me with this chromosome assignment?
Answers
this is the answer for only first page.
homologous, diploid,gametes,haploid
the same thing as what the other person said.
di=2
hap=1
remember that for diploid and haploid
Help please!! I'll name you brainliest!!
Answers
good morning! i believe have your answers :
1. when two or more elements combine to form a new substance, it is called a compound.
2. a compound is a substance that forms when two or more elements combine chemically. a compound always has the same elements in the same proportions. true
3. hydrogen and oxygen are more stable in compounds than by themselves. false
4. hydrogen and oxygen are more stable in compounds than by themselves. true
5. when atoms of different kinds combine to form a compound, a new substance is created. new compounds do not have the same physical or chemical traits of the original elements. false
- muffin
Sound waves travel better through solid than through a gas. Explain why this is true.
Answers
Answer:
solids are more tightly packed together (the molecules) than liquid or gas so it allows it to travel through vetter/faster
Answer:
Explanation: Solids are packed together tighter than liquids and gases, hence sound travels fastest in solids. The distances in liquids are shorter than in gases, but longer than in solids. Gases are the slowest because they are the least dense: the molecules in gases are very far apart, compared with solids and liquids
Surface mining is less dangerous and more profitable than subsurface mining
Answers
Answer:
Surface mining is the extraction of mineral and energy resources near Earth's surface by first removing the soil, subsoil, and overlying rock strata. ... Surface mining disturbs the land more than subsurface mining, but subsurface mining is more expensive and dangerous.
Explanation:
A receptor is a set of modified dendrites of the:
a. nerve.
b. interneuron.
c. motor neuron.
d. sensory neuron.
Answers
What objects in the solar system are larger than earth
Answers
Answer:
the sun, jupiter, saturn, uranus, neptune
Explanation:
Put "Single Trait Genes" in a sentence
Answers
Answer:
Mendelian inheritance refers to the inheritance of traits controlled by a single gene with two alleles, one of which may be dominant to the other. Explanation:
Hope this helps
Answer:
Basically inheritance of traits controlled by a single gene with two alleles, one of which may be dominant to the other
Explanation:
Single Genes Autosomal Traits are a example.
put "Reproductive Isolation" in a sentence
Answers
Answer:
Reinforcement favoring reproductive isolation is required for both parapatric and sympatric speciation.
Explanation:
Hope this helps
What is the universe made of
Answers
Answer:
composition
Explanation:
the universe is composed almost completely of dark energy, dark matter , and ordinary matter
Answer: matter , atoms
Explanation:
Go find 5 materials that's u can use in ur garden.
Please answer.
Answers
Answer:
Soil knife to make digging the soil easierHandheld pruners to fix and prune the plants of your gardenGloves to keep your hands save from any harmful or chemical substance.Binder twine to maintain the plants (to tie their stems together)A notepad and pen to check the progress of your plants (e.g.: you might need to note down whether a plant may need more water or nutrients (mineral ions), if you see a plant almost wilting, appropriate actions must be taken so notepad and pen can help you track this down, so that you can get the appropriate resources needed)(Done with the help of goxogle, but summarized, check full website here: https://gbbg.org/2020/03/5-tools-garden-bag/ )
The carbohydrates, proteins, and minerals that are vital to an organism’s survival are found in...
(1) oxygen
(2) carbon dioxide
(3) food
(4) water
Answers
3. Food
This is the answer..
choose the one or two best restriction endonucleases to digest both the dna fragment and psap .
Answers
The best restriction endonucleases for digesting both the DNA fragment and psap are EcoRI and HindIII.
EcoRI recognizes the sequence GAATTC and HindIII recognizes AAGCTT, which are both present in the psap sequence and commonly used in molecular biology for DNA manipulation. By using both EcoRI and HindIII, the psap can be digested along with the DNA fragment, allowing for efficient cloning. Additionally, these enzymes have a high degree of specificity, reducing the likelihood of off-target cleavage. It's important to note that not all compounds have stereoisomers. Compounds lacking chiral centers or restricted bond rotation do not exhibit stereoisomerism.
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3. Explain the role of organisms in the carbon
cycle and oxygen cycle
Answers
What organism? If its plants, they give oxygen during the day and carbon dioxide in the night. While animals give carbon dioxide but take oxygen from the air. These carbon dioxide gas and oxygen gas go to the atmosphere and affect the carbon cycle and oxygen cycle.
Here is the cycle if you want to know more
Plants (give out oxygen) -> Animals (Use oxygen) + (given our carbon dioxide) -> plants (take oxygen)
and so on
Answer:
Plants take carbon from the atmosphere in the form of carbon dioxide during photosynthesis. Plants and animals both release carbon dioxide back into the atmosphere through the process of respiration. When organisms die, some of the carbon in their bodies is stored in the soil, which can be reintroduced into the atmosphere through soil respiration.
Explanation:
sample response