All of the following are functions of skin except: excretion of body wastes, insulation, protection from mechanical damage, site of vitamin A synthesis site of vitamin A synthesis
vascular region of the skin dermis
major skin area as a whole that produces derivatives (nails and hair) epidermis
In eukaryotes the condenses into chromosomes before the cell divides
Answer:
1 is A
Explanation:
because i need points.
Adhesins on the pili of bacteria are typically proteins, while the receptors are typically glycoproteins. Wherefor should this be the case? Would it be objective as logical for adhesins to be glycoproteins and receptors to be protein
Answer:
This should be the case ( YES )
Explanation:
This should be the case and
It would be objective as logical for adhesins to be glycoproteins and receptors to be protein as well and this is because adhesins ( cell surface component) fastens bacteria to their host body ,and they can be seen as glycoproteins because The structure of Adhesins are mostly made of structural protein
Glycoproteins are proteins which contain glycans.
The number of AIDS cases in the United States has fallen dramatically over the last decade.
O True
O False
Formation of enterocelous?
Enterocoelous refers to the condition in which the coelom develops from pouches "pinched" off of the digestive system, whereas Schizocoelous refers to the condition in which the body cavity is formed by the splitting of the mesoderm during embryonic development.
What procedure does the coelom of the enterocoelous and schizocoelous designs follow?Unlike Schizocoelous, where the capsule is created either by breaking the capsule or by pouches "pinched" off of the digestive tract, Enterocoelous is an illness in which the coelom originates from pouches "pinched" off of the digestive system.
A method for how certain animal embryos develop is known as schizocoelous or schizocoelic. When secondary heart cavities coeloms are created by breaking a solid mass of pair with polished nickel hardware embryonic tissue, the schizocoely process takes place.
What is the formation of the coleom for the enterocoelous and schizocoelous plan?
Learn more about enterocoelous.
https://brainly.com/question/1687469
#SPJ9
Which vitamin helps in the production of red blood cells and supplies oxygen to cells?
a) iron
b) protein
c) copper
d) calcium
Answer:
iron
Explanation:
iron helps in blood making
justify the statement: Growth mediums contain hormones in micro propagation
The statement that "growth mediums contain hormones in micropropagation" is justified because hormones are essential components of the culture medium used in micropropagation, which is a technique for rapidly propagating plants asexually in a laboratory setting.
How to justify the statement of the growth hormone?
Hormones are added to the growth medium in precise concentrations to stimulate specific stages of plant growth and development. These hormones include auxins, cytokinins, gibberellins, abscisic acid, and ethylene, among others.
For example, auxins are used to promote cell division and root development, while cytokinins stimulate shoot growth and branching. Gibberellins are used to stimulate stem elongation and flowering, while abscisic acid helps regulate plant growth and development under stress conditions. Ethylene, on the other hand, is used to induce ripening in fruits.
By providing the right balance of hormones in the growth medium, micropropagation techniques can produce large numbers of genetically identical plants in a short amount of time. This is particularly useful for plant breeding, conservation, and commercial production of high-value crops.
Learn more about growth mediums here: https://brainly.com/question/12993325
#SPJ1
PLSSLPSLPSLPSLPS HELP!!!!!!!!!!!!!!!!! List and describe two lines of evidence that a giant asteroid impact with Earth caused the extinction of the dinosaurs.
Together, these lines of evidence provide strong support for the theory that a giant asteroid impact with Earth caused the extinction of the dinosaurs and many other species.
What are asteroids?There are several lines of evidence that support the theory that a giant asteroid impact with Earth caused the extinction of the dinosaurs.
Here are two of the most compelling lines of evidence:
Geological Evidence: A layer of sediment known as the K-Pg boundary, which marks the end of the Cretaceous period and the beginning of the Paleogene period, contains a high concentration of the element iridium. Iridium is rare in the Earth's crust but abundant in asteroids and other extraterrestrial objects. The layer also contains shocked quartz grains and other impact-related features, indicating that an asteroid impact occurred at this time. This layer is found all over the world and is associated with the extinction of many species, including the non-avian dinosaurs. The timing of the asteroid impact, as determined by radiometric dating, matches the timing of the mass extinction event.
Fossil Evidence: Fossil records show that many species, including the non-avian dinosaurs, abruptly disappeared at the end of the Cretaceous period. However, some species that lived in water or underground were less affected, and some species of birds, mammals, and reptiles survived the extinction event. This pattern of extinction is consistent with the catastrophic effects of an asteroid impact, such as a global firestorm, a "nuclear winter" caused by dust and debris blocking out sunlight, and a tsunami caused by the impact in the ocean. Additionally, some fossils show signs of trauma or injuries consistent with the shock waves and other physical effects of an impact event.
Learn more about asteroids at: https://brainly.com/question/11996385
#SPJ1
Sandy beaches are built up through the process of... A. Destructive forces
B. Convection
C. Weathering
D. Deposition
Answer:
weathering
Explanation:
eroded sediments are transported from a river or stream and then deposited on the bottom. soon, they're channeled to the ocean through river mouths. the movement caused by swells, tides, and breaking waves will then help sand accumulate near the shore
Helpp plz someone thanks
Answer:
skin
Explanation:
dermal tissue covers the outermost part of the plant , the skin does the same in humans
Describe and list the contents of the dural sinuses, subdural space, and subarachnoid space.
(help needed asap. thank u so much) :)
TRUE SLIME MOLDS
10.
What stages of the life cycle of Physarum polycephalum will you examine in lab?
Answer:
There are four main stages in slime moulds which are vegative, aggregation, migration and culmination. In the vegetative stage, a slime mould is single and is known as amoeba and this will eat bacteria. In this case of this practical, the bacterium fed to the slime mould is the Physarum polycephalum.
Explanation:
There are four main stages in slime moulds which are vegative, aggregation, migration and culmination. In this case of this practical, the bacterium fed to the slime mould is the Physarum polycephalum.
What is cell cycle?Cell cycle is defined as cycle in which cell produces, grows and divides. The cell cycle has mainly three steps the first one is G1 phase in which the size of cell increases, S phase synthesis of DNA takes place and the third step is G2 phase in which cell ready to divide.
Cell is defined as the base of life as it is the structural as well as functional unit of life. Cell is made up of pre existing cells and the cell contain various cell organelles such as mitochondria, endoplasmic reticulum, ribosomes, golgi appratus, nucleus, and cytoplasm.
Basically, cell is of two type one in prokaryotic and another one is eukaryotic. The prokaryotic cell is known as pre mature cells as they do not contain cell organelles and eukaryotic cell are known as advanced and developed cells as they contain several cell organelles.
Therefore,There are four main stages in slime moulds which are vegative, aggregation, migration and culmination. In this case of this practical, the bacterium fed to the slime mould is the Physarum polycephalum.
Learn more about cell cycle here:
https://brainly.com/question/15876101
#SPJ2
2. What structure caused rotifers to be called wheel animals or wheel bearers?
1 the foot
2 the corona
3 the brain
4 the stomach
The structure that caused rotifers to be called wheel animals or wheel bearers is the corona.
Rotifers are also known as wheel animals or wheel bearers because of the corona structure around their mouth region.
Some rotifers are sessile and live inside tubes or gelatinous holdfasts that are attached to a substrate. Other rotifers migrate around a substrate through inch worming.
This is because when corona is seen in a sequential coordinated movement, it resembles the structure of a wheel, although it does not rotate in reality.
Therefore, we conclude that rotifers are called wheel animals or wheel bearers due to the presence of the corona structure.
Learn more about rotifers here: -
brainly.com/question/13746360
#SPJ1
Before building dams, builders must consult with which group to prevent fish migration from being inhibited?
Game wardens
National Fish & Wildlife Foundation
Humane Society
Bureau of Fisheries
which diagram A or B represents the plant cell
Answer:
the answer is a
Explanation:
i pretty sure
Compare the process of Photosynthesis to the process of baking a cake.
comparison to cake process and photosynthesis
since the plant reacts to the sun heat is simalar to the oven's heat it makes the ingredients in the oven grow it has a chemical reaction just like a plant does when it gets water and sunlight.
Answer: Think of photosynthesis the way you would baking a cake: You must have all the ingredients to start. Chlorophyll absorbs lights from the sun. Sun's Energy splits the water molecules into hydrogen and oxygen. Hydrogen and carbon dioxide join together to make sugar or food.
Hope this helped!
Good luck
why do leaves, stem and root cells appear different in plants
Answer:
Each organ (roots, stems, and leaves) include 3 tissue types, ground, vascular, and dermal. Different cell types comprise each tissue type, and the structure of each cell type influences the function of the tissue it comprises.
Explanation:
In short I'd say the cells look different because they have different functions.
what is Sediment pollution?
Answer:
sediment is considered when rhere is too much of pollution
I need help with this table
Photosynthesis and cellular respiration are two close related and complementary processes. Photosynthesis produces organic molecules and releases oxygen, which are used during cellular respiration to produce water, ATP, and CO₂.
What are photosynthesis and cellular respiration?
Photosynthesis is a process plant cells go through when absorbing sunlight.
During photosynthesis, light energy and inorganic compounds are used to produce organic compounds -glucose- and release oxygen.
It occurs in chloroplasts and involves two stages: light-dependent and light-independent reactions.
• During light-dependent reactions, oxygen is released, while ATP and NADPH are produced. Both of them are used during light-independent reactions. It occurs in the thylakoid membrane in the electron transporter chain.
• The light-independent reaction occurs in the Calvin cycle in the stroma. During this stage, carbon from CO2 is fixated, and sugar molecules are synthesized
Cellular respiration is the process through which cells use organic compounds to produce energy.
Cellular respiration follows two ways, which depend on the presence or absence of oxygen, and both of them begin with the process of glycolysis, which occurs in the cytoplasm and does not need oxygen to occur.
Aerobic Respiration1. Occurs in the presence of free oxygen.
2. Series of reactions by which pyruvic acid (product of glycolysis) turns into CO₂ and H₂O, producing many ATP molecules.
3. Respiration occurs in the mitochondria.
4. Takes place in two steps or stages: Krebs cycle and electron transporter chain.
5. Glycolysis and Krebs cycle produce electrons, which then travel along the electron transporter chain while releasing energy, and ATP is produced.
Anaerobic Respiration1. Occurs in the absence of free oxygen
2. Series of reactions by which using pyruvate (product of glycolysis) 2 ATP molecules van be produced.
3. There are two ways in which anaerobic respiration can be produced: lactic fermentation and alcoholic fermentation.
4. Lactic fermentation produces lactic acid and 2 ATP
5. Alcoholic fermentation occurs in two steps, and the final products are ethylic alcohol, 2ATP, and 2 CO₂
6. The whole anaerobic process occurs outside the mitochondria.
Photosynthesis is complementary to cellular respiration.
Cellular Respiration: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂OPhotosynthesis: 6CO₂ + 6H₂O → C₆H₁₂O₆+ 6O₂Table in the attached files
You can learn more about photosynthesis and cellular respiration at
https://brainly.com/question/29771613
#SPJ1
2. In rabbits, black fur is dominant to white fur. If you cross a BB male with a Bb female, what are the possiblegenotypes and phenotypes of the offspring? What is the percent chance for each type? Include genotypic andphenotypic ratios.GenotypesPossible combinationsPercent chanceRatios
Explanation
Given:
Genotype for black fur = BB
Genotype for white fur = Bb
Solution:
Genotypes: 2BB, 2Bb
Phenotype: 2 black fur rabbits and 2 white fur rabbits
Percentages: 50%BB, 50%Bb
Ratios: 1:1
Can you use evidence of evolution found in individuals of a population?
Answer:
Individual organisms don't evolve. Populations evolve.
Explanation:
Because individuals in a population vary, some in the population are better able to survive and reproduce given a particular set of environmental conditions
⦁ Discuss normality and abnormality of sex orientation among children and adolescents in a school context
The term "adolescence," which comes from the Latin "adolescent," or "to grow up," is used to describe a crucial developmental stage. Significant biological and psychological changes occur during adolescence.
Between puberty and adulthood, adolescence is a period of significant physical and psychological growth (from the Latin adolescent, "to mature") (typically corresponding to the age of majority).
Adolescence may begin or end earlier than the teenage years, despite the fact that it is often assumed to last during these years in terms of physical, psychological, or cultural aspects. Puberty now typically begins in preadolescence, especially in girls
. Particularly in men, cognitive and physical development can continue until adolescence. Only in general terms based on age can adolescence be described, and academics cannot agree on a single definition. Some definitions start and stop as early as 10 and 25 or 26 respectively
. Anybody between the ages of 10 and 19 is considered an adolescent by the World Health Organization.
learn more about "adolescence here:
brainly.com/question/9506316
Which represents the greatest time frame in which a short-term environmental change can occur?
Answer:
Over hundreds of years
Explanation:
Over hundreds of years i'm pretty sure.
If the answer to the question cannot be____________ and ______________ using a scientific process, it is not considered science.
If the answer to the question cannot be tested and observed, it is not considered science.
What is considered a good answer in science?The answers to any scientific question are given as perfect answer when it is tested and observed by using a scientific process.
During the scientific investigation, every hypothesis is observed and tested before it end with a result, this makes any theory a perfect result. If any question is asked in science it relies on an investigation to give answers according to, how it is tested.
Therefore, there is a need for testing and observation in the field of science.
Learn more about science, here:
https://brainly.com/question/8807111
#SPJ1
Describe the difference between organic and inorganic carbon.
Bones are hard structures and cannot be bent but we still bend our elbow, knee etc. How is this possible?
Answer:
Bones are hard and cannot bend on their own. The joints help the body in moving. Muscles are like elastic bands which are attached to the bones by means of tough connecting bands called tendons. Muscles help in the movement of bone through pull/contraction.
Explanation:
Drag the tiles to the correct boxes to complete the pairs.
Match each form of energy to its description.
gravitational potential
Motion energy refers to the energy related to an object's movement. When an object is in motion, it possesses kinetic energy, which is a form of motion energy.
How to explain the energyThe matching will be:
motion energy = energy related to an object's movement
chemical energy = stored energy related to positions of atoms within molecules
thermal energy = energy of motion of particles in a substance
nuclear energy = energy released when a nucleus splits or combines
gravitational potential energy = energy related to height
sound energy = energy generated by vibration of a string
Chemical energy is stored energy that is related to the positions of atoms within molecules. It is the energy that can be released or absorbed during a chemical reaction. When chemical bonds are formed or broken, energy is either released (exothermic reaction) or absorbed (endothermic reaction) in the process.
Learn more about energy on
https://brainly.com/question/13881533
#SPJ1
6. Compare the DNA of an offspring to the DNA of its parents.
Answer: In DNA the parent duplicates itself through a process known as mitosis. Any offspring is going to have the same exact DNA as the parent. (same characteristics, everything).
The comparison of the DNA of an offspring to the DNA of its parents is determined by the fact that every offspring gets 50% of its genome from each parent, but it is always a different 50%.
How does the DNA of parents compare to that of offspring?In the process of sexual reproduction, meiosis produces haploid gametes that fuse during fertilization to produce a diploid zygote. In other words, an offspring inherits half of the genetic material from each parent. The children resemble their parents, but they are not identical to them.
During the process of meiosis, gametes get a random chromosome from each pair. This means that there are over 8 million possible DNA combinations from 23 chromosome sets. Due to this, the difference in the genetic material or DNA sequences is occurred due to the process of variations between them while DNA copying.
Therefore, the comparison is made due to the mechanism through which every offspring gets 50% of its genome from each parent, but it is always a different 50%.
To learn more about DNA comparison, refer to the link:
https://brainly.com/question/1523538
#SPJ2
PLS HELP ME WILL MARK BRAINLYEST: Why is it important that people use fewer non-renewable resources and more renewable resources?
Your Opinion
State your opinion on the question above.
Evidence
What evidence or reasons can you gather to support your opinion?
subject: sciences
pls give long answer
Answer: First off, this makes us dependent on something that is finite. Non-renewable resources such as fossil fuels will eventually run out due to the fact that the dead organisms that have been undergoing the process of becoming carbon (more or less) for millions of years won't have anything to replenish them. Along with that, environmental problems occur like we all are seeing in the United Kingdom and even in the US.
Explanation:
Is this table correct?
The table showing the volume of fresh water and salt water in cubic meters found in the various water bodies is correct.
The total combined volume of 5,774,809 cubic miles fresh water found in glaciers and rivers isThere are 5.773.300 more miles of fresh water found in glaciers than in rivers.What are salt water and fresh water?While salt water is water found in oceans and seas, freshwater is naturally occurring water that has a low percentage of salts and other dissolved particles.
The ocean, coral reefs, and estuaries are all examples of marine ecosystems. For saltwater to remain at an appropriate salinity for fish, a higher salt concentration is needed.
Learn more about salt water and fresh water at: https://brainly.com/question/30706114
#SPJ1
1. What natural energy resource do you think is the best option. Make sure to explain why you think this?
Answer: Solar Energy
Solar energy is the best natural energy resource. There are several reasons behind this. First of all, there are two ways to extract energy from the sun. Photovotalic energy and thermal energy. PV is great for places that get a lot of direct sunlight, but geographic regions that expereience less sunlight can still use an collect thermal heat. In general, the sun has an extreme amount of energy, and by collecting it, we benefit greatly.
Right now, the major downside to solar energy is that great amounts are produced during the day time, but none during the night. Unfortuantely, we don't have strong enough batteries to save all of the energy that we collect from the sun during the day to use during the night. Therefore, the daytime energy is forced to be dumped while the energy at night has to be produced in a different way. Therefore, while solar energy is one of the best optionss we have right now, better batteries could make it even better.