Answer:
Explanation:A few types of differentiated cells never divide again, but most cells are able to resume ... life to replace cells that have a high rate of turnover in adult animals. Cell proliferation is thus carefully balanced with cell death to maintain a constant ... Cells of this type include skin fibroblasts, smooth muscle cells, the endothelial cells ...
The cells that do not grow or differentiate once they are developed are usually in the internal structures.
Muscle cells
Nerve cells
Digestive tract cells these cells once developed do not divide once they have been developed.
Skin cells
Blood-producing cells are the cells that are growing and dividing throughout the life.
What is digestive tract ?It is comprised of all the organs that are involved in the digestion along with all the glands that are responsible for regulating the process of digestion.
Muscles once grown do not grow bigger or smaller in size but the only difference is that they would have the different deposition with time may be like some people especially the gym freaks have the habit of growing muscles.
Skin cells and the blood producing cells that are the cells that grow and divide throughout the life as the process is involved in the lifetime activity where the involvement of differentiation after the multiple division of the cell division.
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I need to explain the meme in 3 sentences or more halp pls.
Most organs are covered by a thin layer of__ muscle
A. cardiac
B. Smooth
C. Striated
Answer:
B smooth
Explanation:
Multiple choice question
Answer:
free points
Explanation:
who wants em
how many unique possible combinations of nucleotide bases are there to make the amino acids needed for protein synthesis?
24
64
60
20
Answer:
I think this is 20...... Brainliest?
Explanation:
Each group of three nucleotides encodes one amino acid. Since there are 64 combinations of 4 nucleotides taken three at a time and only 20 amino acids, the code is degenerate (more than one codon per amino acid, in most cases). The adaptor molecule for translation is tRNA
Answer:64
Explanation:
took the test
Where is chlorophyll found in a plant cell?
Answer:
thylakoid membrane
The green pigment chlorophyll is located within the thylakoid membrane, and the space between the thylakoid and the chloroplast membranes is called the stroma
Explanation:
write short notes on the following. (a) Cytoplasm (b) Nucleus of a cell
Answer:
Explanation:
Cytoplasm Structure Cell organelles are various structures existing inside cells. All these structures are distinct and perform specific functions. Cells have three main elements i.e., plasma membrane, and cytoplasm and the nucleus. The plasma membrane or cell membrane is a bi-lipid membranous layer, parting the cell organelles from its outside environment and from the different cells. It is the external covering of a cell where all different parts, including cytoplasm and nucleus, are enclosed. Next, is the nucleus, one of the biggest organelle. They have exclusive control of a cell. Lastly, the cytoplasm is a jelly-like material in which the cell organelles are implanted. The cytoplasm is an essential component of the cell. It is a semi-liquid jelly-like material, which joins the nucleus and the cell membrane. In the cell, the cytoplasm is embedded, while other cell organelles such as endoplasmic reticulum, mitochondria, ribosomes, vacuoles, etc. are all suspended within it. It can easily be examined under a microscope through the staining technique. Functionally, it is the site for several chemical reactions within a cell. Most of the cellular metabolism takes place here. Cytoplasm Function One of the major functions of cytoplasm is to enable cells to maintain their turgidity, which enables the cells to hold their shape. Other functions of cytoplasm are as follows: The jelly-like fluid of the cytoplasm is composed of salt and water and is present within the membrane of the cells and embeds all of the parts of the cells and organelles. The cytoplasm is home to many activities of the cell as it contains molecules, enzymes that are crucial in the break down of the waste. The cytoplasm also assists in metabolic activities. Cytoplasm provides shape to the cell. It fills up the cells thus enabling the organelles to remain in their position. The cells, without cytoplasm, would deflate and substances will not permeate easily from one to the other organelle. A part of the cytoplasm, the cytosol has no organelles. Rather, the cytosol is enclosed by matrix boundaries that fill up the cell section which does not hold the organelles. The whole cellular content of a living cell is called protoplasm. The cytoplasm, nucleus and all other living components of the cell together make up the protoplasm of a cell.NucleusThe nucleus is an important element of the cells. It is a membrane-bound organelle that is typically found in the eukaryotic cells. Eukaryotes usually have a single nucleus, whereas some cell types do not possess a nucleus (RBC-Red Blood Cells).
a.
20. Which is the best description of activation energy? (HB2A2)
Energy added to start a reaction.
b. Energy released as the reaction proceeds
C. Energy stored within the reactant molecules.
d. Energy stored within the product molecules.
Answer:
a .energy added to start a reaction
Can anyone help answer this?
Answer:
c i think or d
Explanation:
okay my name is Henry First take a deep breath lets think about your awnser first we read the question and then we write a short sentence using proper words now i can help you with your awnser first Step-By-Step we figure out what the awnser will be and why you chose this awnser
let's start out with facts
Which statement best compares bacteria and fungi? (SC.6.L.14.6)a.Most bacteria and fungi are harmless and may be beneficial to other living things. B.Bacteria and fungi always cause infectious diseases. C.Bacteria are living organisms, whereas, fungi are not. D.Both bacteria and fungi rely on living organisms to reproduce and survive.
Answer:
a.Most bacteria and fungi are harmless and may be beneficial to other living things.
Explanation:
Bacteria and Fungi are two distinct organisms that belong to different class of organisms. Fungi are eukaryotic while bacteria are prokaryotic. Although they both exist in different life forms such as being parasitic, saprophytic etc. most bacteria and fungi species are harmless and may even be beneficial to other living things.
Bacteria and Fungi are beneficial to other organisms in the sense that they form mutualistic relationships with other living organisms. For example, certain species of bacteria helps to fix nitrogen in the root nodules of leguminous plants, while fungi forms a mutualistic relationship with algae called LICHEN where they benefit one another in a way or the other.
The statement that best compares bacteria and fungi is- Most bacteria and fungi are harmless and may be beneficial to other living things. Option A is correct.
Some bacteria are good and provide health benefits and anti-aging properties. Good bacteria help with digestion and absorption. They also boost immunity.
Examples of good bacteria include Bifidobacterium and Lactic Acid Bacteria. Bacteria that are bad have negative effects on the body.
Fungi are used by humans for a variety of purposes, including food or food preparation. Fungi are also used by humans to control pests. Fungi can also be used to make citric acid, antibiotics, human hormones, etc.
Therefore the correct option is option A.
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PLEASE HELP ASAP 50 POINTS BRAINLEIST WILL BE CHOSEN!!!!!!!!!!!!!!
Which of the following may cause a fault?
A pulling forces
B folding land
C earthquakes
D pushing forces
Answer:
D. or A. if that doesnt work
Explanation:
Answer:
Energy release associated with rapid movement on active faults is the cause of most earthquakes.
Explanation:
most faults happen because of something with tectonic plates movement. S earthquake i think.
The Texel sheep is a breed of sheep that has gone through selective breeding for both food and wool production. The wool is of medium thickness without black fibers and commonly used in crafts. The sheep are bred for their large muscle size. The increase in muscle size has led to increased size in offspring.
How has this biotechnology harmed the Texel sheep?
Answer:
loss of genetic diversity
Explanation:
Artificial selection, also known as selective breeding, refers to the identification by humans of desirable phenotypic features (traits) in plants and animals and the subsequent breeding procedures to enhance and perpetuate these traits in offspring. As a consequence of artificial selection, future generations of selectively bred animals/plants will share favorable gene variants (alleles), thereby genetic diversity will decrease in the population. This reduction in the gene pool will affect genetic progress and consequently also breeding programs in the future.
Energy that is produced by the surge of ocean waters during the rise and fall of tides; a type oof renewable energy.
Answer:
Tidal energy
Tidal energy is a renewable energy powered by the natural rise and fall of ocean tides and currents. Some of these technologies include turbines and paddles. Tidal energy is produced by the surge of ocean waters during the rise and fall of tides. Tidal energy is a renewable source of energy.
Explanation:
Which situation is the best example of translational motion? a ballerina standing on one foot a coin spinning on a desk a car in a parking lot with its engine running a leaf blowing across the field
Answer:
A leaf blowing across the field.
Explanation:
it is going from point a to point b.
Answer:
A leaf blowing across a field
Explanation:
It is following a path from point a to point b.
HELP QUICK PLEASE!!
i think it is B but im not sure
Answer:
A. One out of four of their offspring will be white.
Explanation:
This is because in order to show a recessive gene (white fur) the rabbit will have to inherit that recessive gene from both parents which will only happen once out of four times according to Mendel's rules
What does the Mitosis Promoting Factor (MPF) Cyclin concentration decline during a typical cell cycle in clam eggs?
A. When the cell grows larger
B. When DNA is synthesized
C. When haploid gametes are produced
D. When the cell nucleus divides.
suggest how a dimetrodon would have to behave in order to use its sail to warm its body
Answer:
Dimetrodon (/daɪˈmiːtrədɒn/ (About this soundlisten)[1] or /daɪˈmɛtrədɒn/,[2] meaning "two measures of teeth") is an extinct genus of non-mammalian synapsid that lived during the Cisuralian (Early Permian), around 295–272 million years ago (Ma).[3][4][5] It is a member of the family Sphenacodontidae. The most prominent feature of Dimetrodon is the large neural spine sail on its back formed by elongated spines extending from the vertebrae. It walked on four legs and had a tall, curved skull with large teeth of different sizes set along the jaws. Most fossils have been found in southwestern United States, the majority coming from a geological deposit called the Red Beds of Texas and Oklahoma. More recently, fossils have been found in Germany. Over a dozen species have been named since the genus was first erected in 1878.
Explanation:
Dimetrodon is often mistaken for a dinosaur or as a contemporary of dinosaurs in popular culture, but it became extinct some 40 million years before the first appearance of dinosaurs. Reptile-like in appearance and physiology, Dimetrodon is nevertheless more closely related to mammals than to modern reptiles, though it is not a direct ancestor of mammals.[4] Dimetrodon is assigned to the "non-mammalian synapsids", a group traditionally called "mammal-like reptiles".[4] This groups Dimetrodon together with mammals in a clade (evolutionary group) called Synapsida, while placing dinosaurs, reptiles and birds in a separate clade, Sauropsida. Single openings in the skull behind each eye, known as temporal fenestrae, and other skull features distinguish Dimetrodon and mammals from most of the earliest sauropsids.
Many rare and endangered species live in a unique wetland in Florida called the
Answer:
i think the everglades:)
Explanation:
The model shows a cellular process that occurs in every cell in eukaryotic organisms.
What is the purpose of the process shown?
Answer:
The correct answer is - create polypeptide and eventually proteins for gene expression.
Explanation:
This model is representing the translation process in protein synthesis which takes place in the cytoplasm of the cell and results in forming proteins from the information carried by mRNA from DNA in a code. The translation is the process that translates the code, carried out by mRNA with help of ribosome and tRNA, into a chain of amino acids called polypeptide chain that forms eventually in protein.
1. mRNA strand and ribosome present of ER translate codes into a protein.
2. Amino acids are transferred by the tRNA molecules to the ribosomes.
3. mRNA and tRNA bases are paired and amino acids are left behind to create polypeptide.
What will Pittsburgh’s weather be like within the next 24 to 48 hours?
Answer:
31°
0%
Explanation: simple just look it
up
Answer:
Mostly Sunny - Sunny
Explanation:
Pittsburghs weather will be mostly sunny to relatively sunny wihtin the next 24-48 hours. the most it ca n change to is somewhat gloomy or super sunny.
vibe check :P
hows the vibe :)
how’s UR vibe ~_~
Answer:
the real question is hows UR vibe? <3
Explanation:
Answer:
a good vibe I'm not sure how to respond but cool cat
In which situation would all of the larger elephants in a herd most likely stand shoulder-to-shoulder around a young calf?
to protect the calf from predators
to play a game with the calf
to keep the calf shaded if it is sunny out
to keep the calf dry if it is raining
Answer:
To protect the calf from predators?
Explanation:
Answer:
A This is the answer see
Explanation:
arrange the events of mitosis 1 of the animal cell in the correct order
List the 3 parts of the cell theory and name the three scientists that developed the
cell theory.
Answer:
3 parts & scientists
Explanation:
3 parts:
All living things are composed of cells.Cells are the basic units of structure and function for living things.All cells come from pre-existing cells3 scientists:
HookeSchleidenSchwannThe three parts of the cell theory are as follows:
All living organisms are composed of cells.The cell is the basic unit of structure and function in living organisms.Cells arise from pre-existing cells through cell division.The cell theory was developed by three scientists:Matthias Schleiden, a German botanist, concluded that plants are made up of cells in 1838.
Theodor Schwann, a German physiologist, extended Schleiden's observations to animals, stating that animals are also composed of cells in 1839.
Rudolf Virchow, a German physician, proposed that cells can only arise from pre-existing cells in 1855, completing the cell theory
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Where does the path of light change when interacting with different materials?
А
boundary of oil and glass
B
boundary of water and glass
с
boundary of oil and water
D
All of the above
Answer:
D
Explanation:
Its all of the above because the path of light changes when it interacts with different densities, a b and c are examples of 2 differernt things which are different densities
Many natural ecosystems have been destroyed by human activity. To better manage our remaining natural ecosystems, we must first understand how the ecosystems are structured. One way to do this is to determine how the organisms in the ecosystem obtain the matter and energy they need to survive. The figure below shows a simplified food web. Use the figure to answer the following questions.
Which of the following correctly shows one pathway for the flow of energy to an owl?
A.
owls → squirrels → foxes
B.
green plants → mice → squirrels
C.
owls → green plants → mice
D.
green plants → squirrels → owls
The correct pathway for the flow of energy to an owl is from green plants to squirrels, and from squirrels to owls. Therefore, the correct statement is option D.
What is the flow of energy in the food web?This pathway starts with green plants, which are producers and can prepare their own food. The energy from the plants then flows to squirrels, which are herbivores and eat the plants. Then, the energy is transferred to owls, which are carnivores and eat the squirrels.
This pathway represents the flow of energy through multiple trophic levels in the food web, starting with producers and ending with a tertiary consumer.
However, the flow of energy in an ecosystem is important for preserving natural ecosystems. The energy that flows through ecosystems originates from the sun and is captured by producers such as green plants which then move towards food chain as organisms consume other organisms.
Therefore, the correct pathway for the flow of energy to an owl is from green plants to squirrels, and from squirrels to owls.
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At what temperature do our bodies work best?
Answer:
o
Explanation:
our body temperature is in expressed on average in 37 degrees centigrade
What occurs in the life cycle of a moss but not in the life cycle of a gymnosperm?
In moss, sperm and egg cells are produced after haploid spores are released from the sporophyte.
In moss, sperm and egg cells grow in cones that are attached to the sporophyte plant.
In moss, sporophyte and gametophyte generations alternate.
In moss, when two haploid cells fuse, they form a diploid zygote that begins the sporophyte generation.
Answer:
In moss, sperm and egg cells are produced after haploid spores are released from the sporophyte.
Explanation:
Took the test on edge
The following occurs in the life cycle of a moss but not in the life cycle of a gymnosperm: in mosses, when two haploid cells fuse, they form a diploid zygote that begins the sporophyte generation, which is in the last option.
What is the significance of the moss and the gymnosperm?In gymnosperms, both male and female reproductive structures are found on the same plant, and they have large, complex structures called cones that have reproductive structures, and the zygote begins the sporophyte generation, which is the dominant phase in the life cycle of the moss but not seen in gymnosperms.
Hence, the following occurs in the life cycle of a moss but not in the life cycle of a gymnosperm: in mosses, when two haploid cells fuse, they form a diploid zygote that begins the sporophyte generation, which is in the last option.
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PLEASE HELPP ME ASAAAPAPPP PLEASEE
Answer:
(A) yes
Explanation:
Sulfur is released by volcanic eruptions, bacteria, and sea spray
Bill Nye Science guy genes answers help plz
Answer:
I need the whole page
Explanation:
Which of these items would undergo cellular respiration to obtain energy from its food? Choose the three that apply.
an oak tree
a rock
a deer
a grass hopper
Answer:
An oak tree, a deer and a grasshopper
Explanation:
Just took the test
All the organisms such as an oak tree, a deer, and a grasshopper would undergo cellular respiration to obtain energy from its food. Thus, the correct options are A, C, and D.
What is Cellular respiration?Cellular respiration is the process through which the cell produces energy. Cellular respiration occurs in the mitochondria of the cell. This is also called as aerobic respiration.
Cellular respiration involves the production of energy in the form of ATP (Adenosine triphosphate) from the food (carbohydrate) which they consume. Cellular respiration occurs in the cells of every living organism on this planet.
Therefore, the correct options are A, C, and D.
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