Final answer:
The relationship between rocks and minerals is that identifying the minerals within a rock helps to classify and identify it; rocks consist of minerals, which are their basic building blocks. So the correct option is C.
Explanation:
The question concerns the relationship between rocks and minerals in geology. The accurate description of this relationship is that knowing which minerals are in a rock can help identify and classify that rock. Rocks are aggregates of minerals, and most rocks are composed of a few common minerals, although some rocks are made up solely of one mineral. Minerals are the basic building blocks of rocks, and identifying the minerals within a rock is a fundamental skill for geologists. While seven common minerals make up 84% of the Earth's crust, there are over 5,000 known minerals that could be present in various types of rocks, including igneous, sedimentary, and metamorphic rocks.
Sharpei dogs have wrinkled skin that they never fully grow into. The extra skin is produced because their DNA codes for an extra switch of the HAS2 protein. What is this genetic variation a result of?
Question 4 options:
Meiosis
Mitosis
Inherited mutation
Acquired mutation
Why is cytokinesis the shortest phase in cell division?
Cell walls are made of cellulose in ____________ cells.
A) animal B) bacteria C) fungal D) plant
Answer: D. Plants
Cell walls of plants are made up of cellulose. Cellulose is a type of polysaccharide. It provides rigidity to the plant cell wall. It is a structural carbohydrate that can provide protection to the cell from the external environment and provides the structural support to the cell. It makes the plant cells of the leaves, and stems strong.
Where in the sun does the product of energy take place?
Answer:
the core,
Explanation:
The energy is produced in the sun in the core of the sun. The energy is produced by the process of nuclear fusion. The nuclear fusion occurs when two hydrogen nuclei joins to form the helium.
Which of the following best explains the environmental problems associated with trawling?
a.
Trawling always destroys sea floor ecologies.
b.
Trawling gathers fish indiscriminately.
c.
Trawling is too selective at gathering fish.
d.
All of the above
i know its not D.
The right option is; b. Trawling gathers fish indiscriminately.
Trawling gathers fish indiscriminately best explains the environmental problems associated with trawling.
Trawling is a method of fishing in which cone shaped fishing nets that are produced from two or more panels are pulled by one or more boats (trawlers) through the water (in the middle or on the bottom). Trawling is non-selective and it captures and removes fish indiscriminately from the water. It gathers small sized species, marketable, and unwanted or non-target species of both legal and illegal size. Trawling can accidentally kill valued species such as sharks and dolphins in water.
Answer:
The answer is B
Explanation:
I just took the edgenu test.
Coral reef ecosystems support over a million different species. True or false?
Answer:
True
Explanation:
Coral reef supports millions of species in and around it. It is known as one of the diverse ecosystem on Earth. The density of species (i.e number of species in a given unit of area) is the highest in coral ecosystem as compared to other ecosystems of the planet. There are approximately thousand species of fish, corals, seahorses, lobsters, sea turtles.
About 300 million years ago, the seas and oceans were inhabited by tiny plants and other organisms. These organisms died and were buried on the ocean floor. Over time, their bodies were covered with silt and mud that was rich in organic material, forming layers of organic matter. This matter was subjected to high temperature and pressure. In such conditions, oxygen was available in abundance. Over a period of many years, the matter decomposed and formed oil and gas. which sentence is incorrect
Answer:
The formation of petroleum takes place because of various chemical reactions, which take place to the substances that were once living. In the majority of the cases, the formation of liquid petroleum takes place from the algae and zooplankton, which get settled to the bottom of the lake or sea, and was then got buried underneath the sediments.
The sediment makes sure that no oxygen could reach the dead and decaying organic matter, and thus, the stage gets set for the production of oil. In the majority of the cases, the organic matter goes via many modifications, which take millions of years. The sediments continue to pile over each other and enhance the pressure on the organic matter, this leads to the formation of natural gas and liquid petroleum.
Thus, the sentence, that is, "In such conditions, oxygen was available in abundance" is the incorrect one.
Why did Mendel prevent his plants from self-pollinating?
to control the crossing of the traits
in order to insure that each plant's offspring would remain identical to the parents
to maintain a pure strain
so they could not produce offspring
SOS:
The answer is to control the crossing of the traits!
Hope this helps!
Which option is a balanced equation for cellular respiration?
The answer is; B
C6H12O6+6O2→6CO2+6H2O+36ATP
In respiration, glucose is broken down to produce ATP that is the energy currency of the body. The process of respiration occurs in three processes; the pyruvate cycle, the Krebs cycle, and oxidative phosphorylation. Water and ATP are the ultimate products in the biochemical process of breaking down glucose molecules. Oxygen is consumed. The equation has to be balanced on both sides due to the rule of conservation of matter in thermodynamics.
Organisms that reproduce sexually receive genetic material from both parents when fertilization occurs. The development of the zygote into a multicellular organism is the result of
The answer is B. Mitosis and cell differentation.
The universe could be considered an isolated system because?
Which type of wave requires a medium in which to travel? A) Heat B) Electromagnetic C) Light D) Mechanical
Mechanical waves are the kind of wave that need a medium to move through. The correct option is D.
Thus, mechanical waves need a physical medium like a solid, liquid, or gas. Through the oscillation or vibrating of the medium's particles, these waves transmit energy. Sound waves, seismic waves (from earthquakes), and water waves are all examples of mechanical waves.
In order to travel in a medium, mechanical waves like sound waves and seismic waves must physically interact with and move around particles. Heat, electromagnetic, and light waves, on the other hand, may go across a vacuum or void of space without a medium.
Thus, the ideal selection is option D.
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You are a researcher interested in studying the cytoskeleton. How can you use antibodies to locate actin- and tubulin-containing structures?
Which statement below BEST summarizes the role of the DNA molecule in cells? A) guides cell division B) protects cells from infection Eliminate C) provides the instructions for making proteins D) regulates the chemical processes that provide the cell with energy
The correct answer here is c.
Drosophila may be monosomic for chromosome 4, yet remain fertile. A recessive mutant for bent bristles is identified on chromosome 4. Determine the genotypes of the F1 and F2 progeny for the following crosses.
The following cross is conducted of true-breeding adult flies: monosomic bent bristles x diploid normal bristles. Select the two F1 genotypes that will be produced from this cross
a. -/b+
b. -/b
c. b/b
d. b/b+
e. b+/b+
Final answer:
In a cross between a monosomic bent bristle fruit fly and a diploid normal bristle fruit fly, two possible F1 genotypes are produced: monosomic with a normal allele (-/b+) and diploid with one bent bristle and one normal allele (b/b+).
Explanation:
The question involves a cross between a monosomic bent bristle fruit fly (Drosophila melanogaster) and a diploid normal bristle fruit fly to see which F1 genotypes would be produced. In the context of genetics, "monosomic" refers to having only one copy of a particular chromosome in an otherwise diploid cell. Bent bristles (b) is considered a recessive mutation on chromosome 4. When a monosomic bent bristle fly is crossed with a diploid normal bristle fly, since the monosomic fly has only one chromosome 4 with the 'b' allele and the diploid normal has two chromosome 4s, one with 'b+' (normal) allele, the possible genotypes for F1 are as follows:
-/b+ (monosomic with the normal allele)
b/b+ (diploid with one bent bristle and one normal allele)
Therefore, the correct F1 genotypes produced from this cross are a. -/b+ and d. b/b+. This demonstrates how monosomy and complete dominance work in fruit fly genetics.
Question: Cells are similar in many ways, but differ in organisms from different kingdoms. What are the similarities and differences among cells in members of the kingdoms made of eukaryotic cells?
The eukaryotic cells of different kingdoms share common structures like a membrane-bound nucleus and organelles, but differ in other features, such as the presence of a cell wall in plant cells and centrioles in animal cells.
Explanation:The question asks about the similarities and differences among cells from the eukaryotic kingdoms. All eukaryotic cells share certain characteristics, such as having a membrane-bound nucleus and organelles, including the mitochondria, endoplasmic reticulum, Golgi apparatus, and in many cases, lysosomes and peroxisomes. However, they differ in structural and functional aspects based on their kingdom. For example, plant cells have a cell wall, chloroplasts, and a large central vacuole, which are not present in animal cells. Animal cells have centrioles, which are less common in plant cells. Fungi and protists also have unique features; for instance, fungi have a rigid cell wall made of chitin, and some protists have flagella or cilia for movement. These differences arise because each type of cell has evolved to suit its particular functions within the organism's body or environment.
how would ypu describe the lysogenic cycle
Answer:
Explanation:
Viruses are set of organisms that are incapable of replicating on their own. They depend on an host cell to reproduce and they achieve this by infecting the host cell. Hence, the process of infection of a virus is regarded as its reproductive life cycle. Generally, a virus attaches itself to the surface of its host cell by recognizing and binding to specific receptor sites. This phase is called ATTACHMENT.
It then inserts its genetic material into the host's genome in a process called PENETRATION. It employs its host cell's transcriptional, translational, replication abilities to reproduce its genetic material. After this, some viruses exit the host cell by bursting the cell open in a process called LYSIS, however, others incorporate their genetic material into the host's and becomes part of the host.
Hence, as the host replicates its own genetic material, it also replicates the viral genetic material and passes it on to Its offsprings. This process is called the LYSOGENIC cycle, it is opposed to the LYTIC cycle being that the virus does not kill the host cell.
what keeps molecules concentrated, limiting disorder?
Based on anatomical similarities, to which modern animal is Dr. Digger’s creature most closely related? zebra bony fish sea turtle snak
c-sea turtle is the answer
A human baby is born with one X chromosome and one Y chromosome. What must be true about this baby?
A. The baby is female.
B. The baby is haploid.
C. The baby is male.
D. The baby is prokaryotic.
The chromosome makeup of an organism determines its gender, characteristics, and development. The human baby with XY chromosome will be male.
Chromosome Make-Up of Humans
The humans undergo fertilization, in which haploid gametes fuse to form a diploid organism. The females have two XX chromosomes while males have XY chromosomes. The type of chromosome delivered by the male parent will determine the gender of the child.
Thus, the baby with XY chromosome will be identified as male.
The correct answer is Option C.
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what is the difference between T dependent antigen and T independent antigen? ...?
if a DNA molecule is compared to a spiral staircase what parts make up the steps
The human body has the ability to select the ______ it needs from the foods you eat
How do ribosomes exit the nucleus once formed?
Which of these is not a classified organism?
A. Lizard
B. Tree
C. Apple
D. Bacteria
Thanks!!! :D *This is a SCIENCE question, I put Biology as an option, because there was no selection for Science...* ;-;
Answer:
The correct answer is C. Apple
Explanation:
An organism is a living individual which can reproduce, grow, react, adapt, move, metabolize and have an organized structure. All organisms are living things.
Apple is a fruit that is non-living, it can not reproduce, it does not have an organized structure that can support life in it so apple do not contain any characteristics of life, therefore, it cannot be classified as an organism.
Lizard, trees, and bacteria are organisms because they satisfy all the characteristics of an organism. Therefore the right answer is C. Apple.
Answer:
Apple
Explanation:
i took test
it ok i thisnk it is kinda a biology question
Fructose is a molecule that can move across the cell membrane. if the concentration of fructose is higher outside the cell than inside the cell, then what will happen by the process of diffusion?
Fructose will move into the cell from outside by diffusion due to the concentration gradient, continuing until the concentrations inside and outside the cell are equal.
When the concentration of fructose is higher outside the cell than inside, the molecule will move across the cell membrane by the process of diffusion. Diffusion is the net movement of molecules from an area of higher concentration to an area of lower concentration, following the concentration gradient until equilibrium is reached. As long as fructose can freely pass through the cell membrane without the need for specific carrier proteins, it will continue to diffuse in this manner.
The process of diffusion does not depend on the pore specificity of the semipermeable membrane, but rather on the existence of a concentration gradient. The presence of this gradient means that fructose will naturally move into the cell until the intracellular and extracellular concentrations of fructose are equal. This movement of fructose will occur without any input of energy and will cease when equilibrium is reached.
a substance has a half-life of 100,000 years and an initial mass of 1,000 grams. how many years will pass before only 250 grams of the substances parent material is left?
Your classmate will be doing a presentation on evolutionary medicine in science class. What is he likely to discuss?
Answer:
A.) the ability of pathogens to resist treatments
Explanation:
How many phosphate groups are in one molecule of atp?
Answer:
3 Phosphate Groups
Explanation:
ATP stands for adenosine triphosphate. Triphosphate, which describes how many phosphate groups, includes the prefix tri. Tri means three. So, Triphosphate means three phosphate groups.
An adenosine triphosphate (ATP) molecule consists of three phosphate groups attached to an adenine base and a ribose sugar. The ATP molecule is considered highly unstable, due to the repulsion of negatively charged phosphate groups. Breaking the bond between the phosphate groups releases energy.
Explanation:In a molecule of adenosine triphosphate (ATP), there are three phosphate groups. This molecule is comprised of a nitrogenous base called adenine, a five-carbon sugar called ribose, and the three phosphate groups. The phosphate groups are in a series, which makes the ATP molecule highly unstable due to the repulsion between the negatively charged phosphate groups. The addition of each phosphate group to the molecule requires high energy, leading to the formation of high-energy bonds, particularly between the second and third phosphate groups. This bond is considered a 'high-energy' bond, and when broken, significant energy is released that can be utilized for various cellular reactions and processes. When one phosphate group is removed, ATP converts back to adenosine diphosphate (ADP) in a process called dephosphorylation, releasing energy.
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What would happen if cellular respiration did not occur?????
Answer:
The answer is The cell could not produce the energy necessary to carry out its metabolic processes and therefore would cause death.
Explanation:
Cellular respiration is a metabolic process by which cells reduce oxygen and produce energy and water. These reactions are indispensable for cell nutrition. The main objective of cellular respiration is to produce the energy that the cell needs to perform mechanical, chemical and transport work, that is, due to cellular respiration, the cell can obtain the energy necessary to perform all its metabolic functions.
Final answer:
Without cellular respiration, ATP production would cease, affecting all cellular functions. An absence of respiration would impede the breakdown of fatty acids and lead to increased CO₂ levels, disrupting the carbon cycle and threatening life. Glycolysis in red blood cells is crucial, and if hindered, it would affect their ability to transport oxygen.
Explanation:
If cellular respiration did not occur, several critical events would happen, leading to severe malfunction in biological systems. First and foremost, ATP production would cease, and since ATP is the energy currency of the cell used for nearly all biological processes, cells would not have the required energy to function properly. Moreover, substrates like pyruvate and citric acid, crucial for the energy production pathway, would not be produced, disrupting the metabolic cycle.
Without aerobic respiration, cells cannot burn fat for energy as fatty acids enter the pathway during the citric acid cycle, which requires oxygen. This would lead to an inability to utilize fat stores for energy, causing a significant impact on energy management and long-term energy reserves, which could result in the cessation of all functions that rely on fat as a fuel source.
Additionally, the absence of cellular respiration would lead to the failure of the detoxification of carbon dioxide, causing a buildup of CO₂ which could be life-threatening. The relationship between photosynthesis and cellular respiration is vital for the planet's health. An absence would disrupt the carbon cycle, leading to increased levels of CO₂ and potentially suffocating breathing organisms.
Organisms incapable of aerobic respiration, like human red blood cells, which rely on glycolysis, would also suffer if glycolysis were hindered because they cannot tap into other sources of energy. This would impair their function, as they require a consistent supply of energy to maintain membrane integrity and transport oxygen throughout the body.
In summary, the absence of cellular respiration would be catastrophic for all aerobic organisms, leading to a lack of energy production and as a consequence, insufficient cellular function and, ultimately, the inability to sustain life.
In eukaryotes, the mitochondrion houses many enzymes necessary for the myriad of reactions that constitute cellular respiration. If these conditions are not maintained, such as the absence of oxygen, the process cannot occur efficiently leading to failed energy production.
During anaerobic respiration, less ATP is produced in the absence of oxygen, which is not enough to sustain human cells for an extended time. This occurs in muscle cells during intense exercise and is seen in yeast during beer brewing. This form of respiration is only a temporary solution during oxygen-deficient situations and is not a sustainable alternative to aerobic respiration.