Final answer:
A bird skin cell in G2 with 160 chromatids leads to the conclusion that there are 80 chromosomes in diploid cells; hence, male chicken sperm cells would have 40 chromosomes, which is half the diploid number.
Explanation:
Observing a bird skin cell in G2 that has 160 total chromatids indicates that the diploid number of chromosomes in the bird species is 80, as each chromosome consists of two chromatids during the G2 phase of the cell cycle. Sperm cells are haploid, containing half the number of chromosomes found in somatic cells. Since a male chicken (rooster) is the organism in question, the number of chromosomes in its sperm cells would be half that of the diploid number, which in this case is 40. To provide another example, if a muscle cell of a typical organism has 32 chromosomes, a gamete from that organism would have 16 chromosomes, which is half the diploid number since gametes are produced through meiosis.
A food allergy is the likely result of the absorption of intact _____.
What two cell structures are found in many plant cells but not in animal cells?
Which of these actions is an example of chemical weathering
A. Freezing water widens the cracks in rocks
B. Plants roots force their way into cracks in rocks and break them
C. Oxygen in air reacts with iron content in rocks, causing them to change color
D. Strong winds peel soft rock away, leaving harder rock behind
Answer:
The correct answer is option C.
Explanation:
The erosion or the disintegrations of the building material or rock by the chemical reactions instead of a mechanical process termed as chemical weathering. Oxygen present in the air reacts with iron content present in rocks, causing them to react with oxygen in the air and form an iron oxide that can leach in rock and make it rusty looking. This change in color is completely a chemical change that is occurring. There is also the erosion of rock that takes place in this process.
Thus, the correct answer is option C.
The best definition of a true-breeding plant is one that ______.
A true-breeding plant is one that produces offspring identical to itself in terms of physical traits when self-pollinated, due to being homozygous for certain alleles.
The best definition of a true-breeding plant is one that, when it self-pollinates, will always produce offspring with the same physical traits or characteristics as the parent plant. These plants are considered to be homozygous for the traits of interest, meaning that they carry two identical alleles at their respective gene locus. Because of their genetic uniformity, true-breeding plants are fundamental in genetic research and ensure consistency in the inheritance of traits. For instance, when Gregor Mendel conducted his experiments, he used true-breeding pea plants to study how traits were passed from one generation to the next, which helped him to avoid any unexpected traits that could arise from plants that were not true breeding.
Which division in the plant kingdom consists of plants that lack xylem and phloem?
Nonflowering vascular plants
Nonvascular plants
Flowering vascular plants
Seedless vascular plants
The correct answer is option B, Nonvascular plants
Non Vascular plants lacks true leaves, seeds, flowers and vascular tissues (which includes Xylem and Phloem). They come in the category of bryophytes which are extremely small and are in habituation of absorbing water and minerals through their hair like structure called as rhizoids (instead of roots) rather than transporting water and food through Xylem and Phloem tissues. They usually survive in moist places to compensate for the absence of vascular tissues.
Which of the following is NOT one of Earth's four spheres?
1)
Mesosphere
2)
Hydrosphere
3)
Atmosphere
4)
Biosphere
the four earth spheres are atmosphere lithosphere hydrosphere and biosphere ...... therefore mesosphere is NOT part of it
The correct option would be the Mesosphere.
The earth has 4 systems, otherwise known as spheres. These include:
The atmosphere: the portion of the earth containing air.The hydrosphere: the portion that contains water.The biosphere: the portion that contains living organisms.The lithosphere: the rocky, otherwise known as the outer portion of the earthHence, the only option that is not part of the four spheres of the earth is the Mesosphere.
More on the earth's sphere here: https://brainly.com/question/24215268
Here is a picture of the Amazon rain forest. Which aspect of this rain forest is a zoologist likely to study? A. Animals living in the trees of the rain forest B. Plants in the rain forest C. Bacteria in the rain forest D. Humans using the plants of the rain forest
Answer:
the anwser is A
Explanation:
A new builder wishes to purchase land from the city for a new housing development.
What environmental parameters are most important to investigate before buying the property?
The cutaneous sensory receptors that reside in the skin are actually part of the
Which instruction would the nurse give to a patient while performing the romberg test?
Why are cellular respiration and photosynthesis considered opposite processes?
________ are clusters of lymphoid nodules deep to the epithelial lining of the small intestine. adenoids lymph glands tonsils peyer's patches immune complexes
What is the smooth endoplasmic reticulum made out of?
The mechanism of contraction in smooth muscle is different from skeletal muscle in that ________.
The site of calcium regulation is what differs from a mechanism of contraction in smooth muscle from skeletal muscle. One of the important functions of skeletal muscle contraction is production of heat and where calcium seemingly acts to remove the blocking action of tropomyosin.
Answer:
the site of calcium regulation differs
Explanation:
Why is it not correct to say that matthew 23 is anti-semitic?
Antisemitism is aggression to, bias, or discernment counter to the Jews. An individual who grips such points is termed as an anti-Semite. Antisemitism is usually measured to be a kind of racism. It is not correct to say this is anti-Semitic because Jesus displays remarkable respect for the authority of the Jewish leaders and the Law they were assigned to support.
what was most likely responsible for the fact that organic molecules no longer form spontaneously on Earth?
Answer: Less ultraviolet light and more oxygen.
Explanation:
The early earth condition were different from now. There was more ultraviolet light as there was no ozone layer during the early earth conditions.
The oxygen levels at the time of early earth was also not high but after the evolution of cyanobacteria the level of oxygen rised very rapidly.
These conditions does not allow the formation of organic molecules from inorganic molecules.
What happened when the rabbit caught his head in a fan?
When the rabbit caught his head in a fan means that it took ears off his own life. It may be related to a person who might possibly living by his/her own means. That person may be independent in his own way to the point that he/she may not listen to the opinion of others.
Which adaptation do skunks hornets and coral snakes have in common?
What would be the three most important things you would look for in a depository institution?
Besides the ability of some cancer cells to divide uncontrollably, what else could logically result in a tumor?
Other than the ability of some cancer cells to divide uncontrollably, the lack of appropriate cell death can logically result in tumor. When there is an occurrence of lack of appropriate cell death, this can lead to inappropriate tissue growth and tumor development. This is also characterized by altered mitochondrial metabolism. When there is a centrality of the dysfunction of the mitochondria in our system, there is surprisingly a wide range of major human diseases slowly becoming recognized. This brings along with it the prospect of novel therapeutic approaches to treat a multitude of unpleasant and pervasive diseases. We can therefore say that the there is a large and vital contribution of mitochondria in the maintenance of the normal cells in the body of an individual.
Name the four major modes of prokaryotic nutrition. for each identify the energy source and carbon source
These are the four major modes of prokaryotic nutrition.
Photoautotrophs obtain their energy from the sun and their carbonsource from carbon dioxide which is use in photosynthesis to produce food.Photoheterotrophs get their energy source from sunlight and their carbon source from organic matter. They depend on photoautotrophs.Chemoautotrophs obtain their energy from Chemical compounds and Carbon from Carbon dioxide or related compoundsChemoheterotrophs also obtain their energy from Chemical compounds and carbon source from Organic compounds.What are prokaryotic?Prokaryotic are organisms that don't have nucleus or membrane bound organelles.
What is Nutrition?Nutrition refer to processes in which organism uses food to sustain life. It involve processes like anabolic and catabolic process gathering and breaking down of food particles.
Therefore, The four mode of prokaryotic nutrition are;
Photoautotrophs obtain their energy from the sun and their carbonsource from carbon dioxide which is use in photosynthesis to produce food.Photoheterotrophs get their energy source from sunlight and their carbon source from organic matter. They depend on photoautotrophs.Chemoautotrophs obtain their energy from Chemical compounds and Carbon from Carbon dioxide or related compoundsChemoheterotrophs also obtain their energy from Chemical compounds and carbon source from Organic compounds.Learn more on Prokaryotic mode of nutrition from the link below.
https://brainly.com/question/24392217
That addictive behaviors produce the same brain responses that follow drug abuse. in both cases, several regions deep inside the brain release a chemical called _______________, which attaches itself to receptors throughout the brain that in turn produce an intense flush of pleasure.
What would happen if there was an imbalance of certain enzymes in the body?
The body would have trouble digesting certain foods.
The enzymes that are present would work twice as fast.
The body would make new enzymes to take the place of missing ones.
The body would have too much energy for cells to work properly.
Most ______ immunizations must be re-administered on a regular basis.
Artificial, i think
Briefly describe the structure of cardiac muscle
What is the major monosaccharide found in the body?
The major monosaccharide in the human body is glucose, which serves as the primary source of energy for cells and is crucial in the production of ATP.
Explanation:The major monosaccharide found in the human body is glucose. Monosaccharides are the simplest form of carbohydrates, and glucose is the primary source of energy for the body's cells. It is carried through the bloodstream and is used by cells to perform their functions. The liver and muscles store excess glucose in the form of glycogen, which can be converted back to glucose when needed. Glucose is also a crucial component in the production of ATP, the molecule that serves as the main energy event in the human body.
Learn more about Monosaccharide here:https://brainly.com/question/33307338
#SPJ6
The structure that is associated with movement, orientation, recognition, perception of stimuli and is the portion of the brain labeled
e. it is called the
Answer: frontal lobe
Answer:D) Occipital Lobe
Explanation: The occipital Lobe is located in the back
What is an important characteristic of waxes, and why is this valuable to living things?
Which shoulder ligament runs from the fingerlike projection of the coracoid process (superior to the glenoid cavity) to the collarbone?
What product is after bolus is completely processed in stomach?