The importance of water properties on plants and animals.
Answer:The importance of water in plants is that it helps plants to make their own food, because water plays a very important role in Photosynthesis, and as well it helps them to grow.
The important of water in animals is that it is main need for animals to survive as well as humans. Without water even a single organism won't exist in this Earth.
Hope it helps you :)The human body is made up of more than three-fourths of water, and all animals and plants require water to thrive.
Why water is essential for plants and animals?Water is used by all living things to transport nutrients throughout the body and remove waste. Among its many crucial functions, water aids in the digestion of food and the preservation of organisms' heat.
The term "universal solvent" refers to water's enormous capacity to dissolve a wide range of molecules, and it is this capacity that makes water such a priceless life-sustaining agent.
Water's function as a solvent aids cells in the transfer and utilization of molecules like oxygen or nutrients on a biological level.
Therefore, to do all the cellular processes by plants and animals there is need of water.
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Indicate whether each of the following descriptions is true of microtubules (MT), microfilaments (MF), intermediate filaments (IF), or none of these (N). More than one response may be appropriate for some statements.
(a) Involved in muscle contraction.
(b) Involved in the movement of cilia and flagella.
(c) More important for chromosome movements than for cytokinesis.
(d) More important for cytokinesis than for chromosome movements in animal cells.
(e) Most likely to remain when cells are treated with solutions of nonionic detergents or solutions of high ionic strength.
(f) Structurally similar proteins are found in bacterial cells.
(g) Their subunits can bind and catalyze hydrolysis of phosphonucleotides.
(h) Can be detected by immunofluorescence microscopy.
(i) Play well-documented roles in cell movement.
(j) The fundamental repeating subunit is a dimer.
MT,
MF,
IF,
MT and MF,
MT and IF ,
MT, IF, MF.
Answer:
(a) Microfilaments
(b) Microtubules
(c) Microtubules
(d) Microfilaments
(e) Intermediate filaments
(f) Microfilaments, intermediate filaments, microtubules
(g) Microfilaments, microtubules
(h) Microfilaments, intermediate filaments, microtubules
(i) Microtubules, microfilaments
(j) Microtubules
Explanation:
Microtubules (MTs) are dimers of the protein tubulin (alpha- and beta-tubulin subunits) and they are major components of the cytoskeleton. MTs play diverse cellular roles including, mechanical support (cytoskeleton), transport, motility, chromosome segregation, etc. Microfilaments (MFs) are protein filaments that also form part of the cytoskeleton in eukaryotic cells. MFs consist of G-actin monomers assembled in linear actin polymers, and their functions include mechanical support, cytokinesis, changes in cell shape, amoeboid movement, endocytosis and exocytosis, etc. MFs associate with the protein myosin to generate muscle contractions. Actin filaments/MTs assembly from monomeric actin/tubulin is caused due to energy expenditure, where ATP/GTP bound to actin/tubulin is hydrolyzed during polymerization. Finally, intermediate filaments (IFs) are a type of cytoskeletal element composed of a heterogeneous group of structural elements, and they are not found in all eukaryotes. The primary function of the IFs is to contribute to the mechanical support for the plasma membrane where these filaments come into contact with other cells and/or with the extracellular matrix. The IFs are not directly involved in cell movement. All 3 types of cytoskeletal elements (microfilaments, intermediate filaments, microtubules) can be visualized by fluorescence microscopy when cells express chimeric MT/IF/MF.–GFP fusion proteins.
Which of the following is correct?
Select one:
a. Industry and agriculture both overuse surface water resources.
b. Industry and agriculture both overuse groundwater resources.
c. Industry overuses surface water and agriculture overuses
groundwater.
O d. Industry overuses groundwater and agriculture overuses
surface water
Water is a source that is used for various purposes. The industry overuses the surface water, whereas agriculture overuses the groundwater leading to water scarcity. Thus, option C is correct.
What is water scarcity?Water scarcity is the unavailability of water or can be said as a shortage of water through the regular supplies due to the overuse and excess waste of these resources.
The lack of sufficient amount of water that has been said to be not equal to the demand is a major issue that affects every organism globally. It can lead to economic decline as there will be drought.
Water is used in various fields including the industries for machines and other works, and also in agriculture fields to grow plants and crops. The industry uses the water present on the surfaces like lakes, and rivers, while crops need the water from the wells.
Therefore, option C. the industry and agriculture overuse water.
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In the respiratory system certain structures allow air to pass from the trachea to the lungs. They are lined with thin
muscles and coated with epithelial cells.These structures are called
O bronchial tubes.
O alveoli.
O bronchioles.
O lobules.
Answer:
bronchioles are the structure
what is the function of neurotransmitters?
neurotransmitters are often reffered to as the body's chemical messangers. They are the molecules used by the nervus system to transmit messages between neurones, or from neurones to muscles. Communication between two neurones happens in the synaptic cleft (the small gap between the synapses of neurones).
You are carrying a case of 24 bottles of water up the stairs to your third-story apartment. What type of contraction are the muscles in your arms experiencing
Answer:
Concentric contraction.
Explanation:
Concentric contraction is a type of contraction that the muscles in arms experiencing when an individual lifting 24 bottles of water up the stairs. A concentric contraction is a type of muscle activation that creates tension on your muscle as it shortens. As your muscle shortens, it produces enough force to move an object in the upward direction. In weight training we can easily see concentric movement.
purple flower = P
white flower = p
round seed = R
wrinkled seed = r
look at the punnett square and list the genotypes that would correspond to each phenotype
purple flowers, round seeds:
purple flower, wrinkled seeds:
white flowers, round seeds:
white flowers, wrinkled seeds:
Answer: this is a long one lol
Explanation:
purple flowers and round seeds could be both PPRR and PpRr because it's both dominant traits and heterozygous genotypes still show the phenotype of the dominant gene. purple flower and wrinkled seeds would be PPrr or Pprr for the same reason. white flowers and round seeds would be ppRR or ppRr, and finally white flowers and wrinkled seeds would be pprr. hope this helped :)
What is the role of the spindle fibers in mitosis?
Answer:
Spindle fibers are a type of protein that splits a cell's genetic material. During both kinds of nuclear division, mitosis and meiosis, the spindle is required to evenly divide the chromosomes in a mother cell into two daughter cells. The spindle fibers are referred to as the mitotic spindle during mitosis.
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1. What features are located medial to the cranium and the mandible. Identify the category here.
2. How many individual items are included in this category?
2. There is a total of six individual items in this category.
The human skull is made up of two parts, the cranium, which contains the face and the brain and the only movable bone called the mandible or lower jaw.
The features that are medial to the cranium and the mandible are those structures that are nearer to the mid-line.
The above mentioned features works together to provide the following functions of the cranium:
protection of the delicate structures including the brain, eye and the inner ear.maintaining patency of the nasal passage enabling breathing.the movement of the mandible allows chewing.Learn more here:
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.
Which of the following is the best definition of an atom?
O A. A particle within the nucleus that has a neutral charge
B. A negatively charged particle that circles the nucleus
C. The fundamental unit of all matter, both living and nonliving
O D. A positively charged particle within the nucleus
SUBMI
Answer:
C. The fundamental unit of all matter, both living and nonliving
Take the gram seeds. Divide the seeds into three sets A, B and C.
➢ Put the seeds of set A onto the moist cotton.
➢ Soak the seeds of set B in the water overnight and then put on the moist cotton for seed germination.
➢ Put the seeds of set C in the boiling water for some time then allow it to germinate on the moist cotton.
➢ Grow a plant in another set.
➢ Note the observations every week.
Set A
Set B
Set C
Plant 1 st week 2 nd week So on….
Explanation:
set A ,seeds will germinate
set B,seeds will rot due to the presence of alot of water
set C,seeds will not germinate
What are the scientific findings that support the view of biological evolution?
Explanation:
Sir/Miss,
Perhaps the most persuasive fossil evidence for evolution is the consistency of the sequence of fossils from early to recent. Nowhere on Earth do we find, for example, mammals in Devonian (the age of fishes) strata, or human fossils coexisting with dinosaur remains.
Predict what will happen to the concentration of pyruvate, NADH and H+ when the Krebs cycle is stopped by arsenic
Answer: Pyruvate would increase, NADH would decrease, and intermembrane H+ would decrease as well.
Explanation:
Glycolysis would raise pyruvate, but the Krebs Cycle would not produce NADH, decreasing it. No protons (H+) will be pushed into the intermembrane gap, lowering its H+ content and raising its pH.
What is Kreb's cycle?The tricarboxylic acid (TCA) cycle, commonly referred to as the Krebs cycle or the citric acid cycle, is the primary route that cells use in order to acquire energy and is an essential component of aerobic respiration. The cycle transforms the oxidative potential of acetyl coenzyme A (acetyl CoA) into the reductive potential of nicotinamide adenine dinucleotide (NADH).
The synthesis of ATP via the Krebs cycle is disrupted when arsenic is present because it prevents pyruvate from being converted into acetyl coenzyme A (acetyl-CoA). In addition to the effects described above, arsenic also prevents glucose uptake at the cellular level, as well as gluconeogenesis, the oxidation of fatty acids, and additional acetyl-CoA formation.
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g 20. Name two bones connected by an interosseous membrane found in the crus and/or sural region. Which one is the medial bone
Answer:
Tibia and fibula. Tibia (medial bone)
Explanation:
The tibia is the medial bone of the lower leg (it is the second-largest bone next to the femur), whereas the fibula is the lateral bone of the lower leg. The tibia functions to transmit the majority of the force in the lower leg. The tibia articulates at the proximal end with the femur and fibula; where this bone (tibia) articulates at the distal end with the fibula and the talus bone of the ankle. The tibia and fibula are connected via an interosseous membrane, which is a thin sheet of connective tissue that spans the space between two bones.
For each function listed below, name the associated structure: Function Structure Rigid cellular support __________________ Flexible cellular boundary __________________ Site of cellular respiration* __________________ Site of photosynthesis
Answer:
cell wall
mitochondria
chloroplast
The cell membrane is a flexible cellular boundary, respiration takes place in mitochondria, and photosynthesis in the chloroplast.
What are cellular organelles?An organelle is a subcellular structure that, like an organ in the body, has one or more specific tasks to carry out within the cell. The nucleus, which houses genetic material, the mitochondria, which generate chemical energy, and the ribosomes, which put together proteins, are some of the more significant cell organelles.
The nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, vesicles, and vacuoles are among the organelles found in animal cells. Despite not being protected by a membrane, ribosomes are frequently referred to as organelles in eukaryotic cells.
Thus, the cell is covered by a flexible cell membrane. Mitochondria is a site of cellular respiration, while chloroplast is a site of photosynthesis.
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3. The DNA double helix is stabilized by hydrogen bonds between:
Answer:
Between Dioxide and Ribonuse AcidExplanation:
hope it helps
Answer:
The structure of the DNA helix is stabilized by van der Waals forces, hydrogen bonds between complementary organic bases (a base pair), and hydrophobic interactions between the nitrogenous bases and the surrounding sheath of water
Below are portions of a haplotype sequence from three individuals. Each base represents a SNP found at a distinct position in the genome. Which of these haplotypes are most closely related based upon the SNPs provided here?
Haplotype
A 5'...ATCGATAATCCCCTTAG...3
B 5'...ATTGATCATCCCCTAAG...3
C 5'...ATCTATCATCAGATACG...3
a. A, B, and C are all similarly related
b. A and B
c. B and C
d. A and C
The correct answer is A and B
Explain why virus could not fit into any one of the five kingdom
Answer:
To make copies of themselves they necessarily need the intervention of a cell. Therefore, viruses are not living beings. That is why they are not included in any Kingdom in which living beings are included
how do humans impact the biodiversity of ecosystems
Answer:
Humans affect biodiversity by their population numbers, use of land, and their lifestyles, causing damage to habitats for species. Through proper education, and by demanding that governments make decisions to preserve biodiversity, the human population will be able to sustain life on earth longer.
Explanation:
Human population levels, land usage, and lifestyles all have an impact on biodiversity, causing damage to species' habitats. The human population will be able to maintain life on Earth for longer if adequate knowledge is provided and governments are forced to make decisions that protect biodiversity.
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oxygen is carried by blood to all the cells of body in the form of ___________
Answer:
Oxygen is carried by blood to all the cells of the body in the form of haemoglobin.
Explanation:
Oxygen is carried in the blood in two forms:
(1) dissolved in plasma and red blood cells water (about 2% of the total)
(2) reversibly bound to haemoglobin (about 98% of the total).
Haemoglobin is a protein in the red blood cells and carries oxygen around our bodies. At the same time, carbon dioxide that is dissolved in the blood comes out of the capillaries back into the air sacs, ready to be breathed out.
What is your opinion about climate change ?
Many of the phenotypes of DiGeorge syndrome have been traced back to one of the genes that is in the deleted region, TBX1. Some of the evidence for the important role of TBX1 in DiGeorge syndrome came from individuals who have some of the symptoms of DiGeorge syndrome without having the typical deletion. Closer examination showed that some of these individuals had SNV in the TBX1 gene. Which of the following SNVS would be most likely to create a similar phenotype to the deletion?
A. A variant in the promoter region of TBX1 that increases its expression
B. A variant in the intronic region of TBX1 that does not affect splicing. X
C. A nonsense variant near the 5' end of the TBX1 gene.
D. A silent variant near the 5' end of the TBX1 gene.
Answer:
D. A silent variant near the 5' end of the TBX1 gene.
Explanation:
TBX1 gene is wild type human being. It gives instructions for making protein called T-box 1. It plays an important role in tissue formation and organs during embryonic development.
The protein salmon has an isoelectric point of 12.1. Suppose you did a pH titration of a solution containing salmon. At what pH will the protein aggregate
Answer:
The correct answer is - 12.1.
Explanation:
In the case of the same isoelectric point of protein and the pH value of the solution, it is the only condition when aggregation of proteins takes place.
When there is intrinsically disordered proteins or misfolded proteins aggregates known as the protein aggregate. So for the first aggregation takes place at pH= 12.1.
1. ¿Cuáles son las células que contiene la retina?
Answer:
Células fotorreceptoras: Son los conos y los bastones. Transforman los impulsos luminosos en señales eléctricas.
Células bipolares de la retina. Conectan las células fotorreceptoras con las células ganglionares.
Células amacrinas. ...
Células horizontales. ...
Células ganglionares de la retina.
A biologist thinks the population of chipmunks will be in the range of 2900 to 3100 in the year 2000. Is that a reasonable guess? Why or why not?
Answer:
No
Why not:
The midpoint of range is 3000. Yes, in from 1950-1955 there was a massive increase of the population of chipmunks but from then on it slowly decreased until 1990. In 1995, the population doubled from 1990. If you double 1440, you will get 2880. The biologist said between 2900-3100, using the midpoint of this range (3000) it is too low therefore being a bit unreasonable.
Hoped it is correct and helped you!
In the aerobic metabolism of proteins by chemoheterotrophs (e.g., E. coli and you):____.
A. Proteins are broken down into smaller peptides and eventually into amino acids by proteases (peptidases).
B. Certain amino acids may be converted to pyruvate.
C. Certain amino acids may be converted to intermediates (e.g. oxaloacetate) of the Krebs cycle.
D. Certain amino acids may be converted to acetyl-CoA.
E. All of the above are true.
elaborate the value of wildlife
Answer:
1.Comm ercial Value- money made from wildlife and fish.
2.G ame Value- Value of wildlife as g ame.
3.Aesthetic Value- Value of wildlife for it's b b eauty and ple asure.
4.Scientific Value- Value placed on the study and res earch of wildlife.
5.they provides us food , clothing and source of income
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number of chiasmata during the stage of diakinesis:
a) increases
b) decreases
c) remains the same
d) there is no kiazma
Explain the answer
Answer:
a because it harm the people
plz help
and explain why?
Answer:
steel plate
Explanation:
steel plate have lustre because steel is coated with zinc.
Hope it is helpful....Why is earth science important ?
Answer: The knowledge gained and the services provided by earth scientists help society cope with its environment in many ways. ... Their knowledge about the structure, stratigraphy, and chemical composition of the earth's crust helps us locate resources that sustain and advance our quality of life. hope this helped :)
Which is true if energy in ecosystem
Explanation:
energy flows in only one direction through an ecosystem.