Answer:
"The correct statement is, “All the outer planets have low density.”
The outer planets such as Saturn, Jupiter, Neptune, and Uranus are the giant’s planets but in terms of density, they are less due to the gas and jovian.
The densities between the inner and outer circle are different due to the rock-solid.
Explanation:
When comparing the yield of ATP from the different stages of cellular respiration, which produces the greatest number of ATP
Answer:
The correct answer is - electron transport system.
Explanation:
There are 3 main stages of cellular respiration (aerobic) that are Glycolysis, the Kreb's Cycle and the ETS or Electron Transport Chain. The formation of energy in ATPare as follows:
Glycolysis - glucose > 2 Pyretic Acid Molecules =>2 ATP and Hydrogen
The Krebs Cycle - Citric Acid (a derivative of Pyruvic Acid) > 2 ATP in 4 cycles and Hydrogen, carbon dioxide and water.
The Electron Transport Chain > electron carrying Hydrogens > releases the energy as 4 ATP and water
Thus, the correct answer is - The Electron Transport Chain is the stage that produces most of the ATP during cellular respiration.
SODO
What terms applies to a period in
evolutionary history when a species shows
little or no change?
Answer:
Punctuated equilibrium
Explanation:
The idea of "punctuated equilibrium" suggests that species will show little to no evolutionary change throughout their history. When evolution does occur, according to this idea, it happens sporadically and relatively quickly compared to the species' full duration on Earth.
66. A 64-year-old woman, who has always been proud of her suntanned, healthy look, is referred to a dermatologist with a blue-violet, painless, 1.5-cm lump in the skin of her left shoulder. The lump is firm and cannot be moved, and has grown very rapidly over the past few weeks. The mass is removed surgically and the pathologist diagnoses it as a Merkel cell carcinoma. If the UV radiation to which her skin was exposed affected the Merkel cells, what other cell type sharing the same specific epidermal layer might also be affected
Answer:
Basal stem cells for keratinocytes
Explanation:
Keratinocytes are epidermal cells located in the outermost layer of the skin (i.e., the epidermis). Moreover, the cells located in the basal layer of the skin are known as basal keratinocytes or basal cells. These basal cells are proliferative cells that undergo differentiation in order to form suprabasal epidermal layers. Merkel cells are neuroendocrine cells that are located in the basal layer of the skin (scattered among basal keratinocytes), which are attached to surrounding keratinocytes by intercellular junctions called desmosomes.
Explain the evolution of altruism.
Answer:
Altruistic behavior, such as sterile worker ants caring for the offspring of their queen, evolves only between related individuals through what is known as kin selection — or so many evolutionary biologists have thought since the 1960s.
what is photosynthesis ?
Answer:
Photosynthesis is a process in which plants turn carbon dioxide and water into food using energy from sunlight.
Answer:
Photosynthesis is a process in which plants get their food by converting carbon dioxide and water by using sunlight .
9. What is the economic importance of beekeeping both in terms of pollinating, crops, and obtaining products from the hive? 10. Explain how the spread of trypanosomiasis can be controlled by releasing male sterile tsetse flies in to an area. Date of submission July 07, 2021 Wednesday
Answer:
9. Bees play a very important role in relation to agricultural production. Indeed beekeeping is a vital part of our agricultural system. Apart from crop plants which are highly dependant on bees, the presence of honey bees also improves the quality and quantity of crops in general.
10. Use insect repellent. Permethrin-impregnated clothing and insect repellent have not been proved to be particularly effective against tsetse flies, but they will prevent other insect bites that can cause illness. The World Health Organization has targeted West African trypanosomiasis for elimination as a public health problem by 2020.
Explanation:
IN YOUR OWN WORDS, write the definition for the word Centromere.
-Thank you!
Answer:
a chromosome that links a pair os sister chromosome
Explanation:
each chromosome is made of two parallel strands called chromatids. and each pair of chromatids is connected at one point by a structure called centromere.
Answer:
is the constricted region of a chromosome that separates it into a short arm and along arm
or...is a specialized DNA sequence of a chromosome that links a pair of sister chromatids
Explanation:
during cell division , the chromosomes first replicate so that each daughter cell receives a complete set of chromosomes
Use the Punnett square to determine the ratio of offspring with the described trait to the total number of offspring
Explanation:
X y
X XX Xy
y Xy yy
capital letter is dominant
small letter is recessive
example
capital letter could be brown eyes
small letter could be blue eyes
Identify the following by typing (a) for mitosis or (b) for meiosis on the line before the statements: _____ produces 4 unique gametes _____ begins with a somatic cell _____ produces only 2 identical cells _____ has only one nuclear division _____ happens in the testes and ovaries _____ daughter cells are haploid _____ has two nuclear divisions _____ daughter cells are diploid
Answer:
b - produces 4 unique gametes
a - begins with a somatic cell
a - produces only 2 identical cells
a - has only one nuclear division
b - happens in the testes and ovaries
b - daughter cells are haploid
b - has two nuclear divisions
a - daughter cells are diploid
Explanation:
Mitosis is a kind of cell division that involves the formation of two daughter cells, which are genetically identical and have the same number of chromosomes as their parent cell (diploid). Mitosis occurs in body or somatic cells for repair and multiplication. Mitosis involves only one nuclear division.
Meiosis, on the contrary, involves formation of four daughter cells that are genetically different from the parent cell and have a reduced chromosomal number (by half). Meiosis occurs in reproductive cells like tested or ovaries. Meiosis occurs in two nuclear divisions.
Lipids and carbohydrates have many functions in the body of an organism. Specific lipids and proteins
perform specific tasks. Read the descriptions below to answer the following question: How are
triglycerides and glycogen similar in their primary function?
A. Both act as catalysts.
B. Both store genetic information for the organism.
C. Both support the structure of the organism.
D. Both store energy used by the organism.
Answer:
D. Both store energy used by the organism.
Explanation:
The ability to have an advantage in obtaining mates by having bigger antlers in deer or bigger showy tails in peacocks, for example is an example of
Answer:
The correct answer is - intrasexual selection.
Explanation:
Intrasexual selection is the act of competing with other members of one's own sex for various reasons such as high status, mating, area, and many more as well as the evolutionary process responsible for this competition. The great examples of these are antlers of deers and big size showy feathers of the peacocks to attract their males.
Thus, the correct answer is - intrasexual selection.
Factors that could affect the current oxygen and carbon dioxide levels?
Explanation:
There are many factors, both natural and man-made, that affect the levels of carbon dioxide and oxygen in the atmosphere. Some of them are:
Burning of fossil fuels increases the level of carbon dioxide.
Cleaning agricultural land increases the level of carbon dioxide.
The availability of nutrients in plants affects the synthesis of oxygen.
The intensity of the sunlight can increase or decrease the synthesis of oxygen.
Deforestation and industrial expansion greatly affect carbon dioxide and oxygen levels.
The increase in consumer products due to population explosion and advances in health care can also fluctuate carbon dioxide and oxygen levels.
An increase in oxygen levels is thought to promote healthy living in the environment, whereas a decrease in oxygen levels can lead to a decrease in atmospheric layers (thinning of the ozone layer). This reduction allows more sunlight to reach the Earth's surface. Sunlight gets trapped inside the Earth and raises the temperature of the planet. It is also known as global warming.
A reduction in carbon dioxide to a certain level is good for the environment, but lower than normal levels can affect oxygen synthesis as plants absorb carbon dioxide and use it to synthesize oxygen during photosynthesis. Since carbon dioxide is a greenhouse gas, an increase in its level will cause global warming.
hope it helps you....pls mark me as branliest If you are kind enoughIn a two-point test cross, 36 of the offspring were recombinant types. The remaining 64 offspring were parental types. How many map units separate the two loci
Answer:
36
Explanation:
A two-point test-cross is a cross between an individual with a double heterozygote genotype and a homo-zygous recessive individual in order to determine the recombination frequency between two linked genes. In genetics, one map unit (m.u.) can be defined as the measure of the distance (i.e., genetic distance instead of physical distance) between genes for which one (1) product of meiosis in one hundred (100) is recombinant. In this case, 36 of the offspring have the recombinant phenotype, while the remaining 64 offspring are not recombinant, and therefore both genes are separated by 36 mu (64 + 36 = 100 >> 36 mu).
The distance between two genes is usually expressed in map units. In the exposed example, 36 MU separates the two loci.
----------------------------------
The map unit is used to express the distance between a pair of genes.
To interpret it, we need to consider that for every 100 meiotic products, one of them results in a recombinant product.
The genetic distance will result from multiplying the recombination frequency by 100 and expressing it in map units (MU).
To calculate the recombination frequency we will use the next formula:
P = Recombinant number / Total of individuals.
We know that
Recombinant number = 36Parental number = 64Total number of individuals = 36 + 64 = 100 individualsSo now, all we need to do is to replace the terms by their values
P = Recombinant number / Total of individuals
P = 36 / 100
P = 0.36 ⇒ Recombination frequency
Now we need to get the distance between genes, expressed in Map Units.
P = 0.36
Distance in MU = P x 100 = 0.36 x 100 = 36 MU.
So, 36 MU separates the two loci.
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To provide energy for the work that cells do, all cells need____
Sometimes individuals at one extreme of a phenotypic distribution are favored in a particular environment, for example, selection will strongly favor insects that have very high resistance to an insecticide. In such cases, the type of selection that operates is
Answer:
directional
Explanation:
We define directional selection as a type of natural selection whereby a phenotype is favored in preference to other phenotypes hence, the entire allele in the population will tend to shift in that particular direction .
This is clearly demonstrated in a scenario whereby insects that have very high resistance to an insecticide tend to survive better in an environment compared to other insects that do not exhibit this phenotype.
One reason that Mendel chose garden peas for his experiments on heredity was because:
A. pea plants are haploid organisms.
B. peas are a popular vegetable.
C. pea plants usually self-fertilize.
D. peas have no recessive traits.
Answer:
. pea plants usually self-fertilize.
6. The title of this text is "Why Do Cave Fish Lose Their Eyes?" Why might the author
have written the title as a question?
A. to encourage readers to answer the question on their own before they read the article
B. to prepare readers for a discussion of possible answers to this question in the article
C. to criticize scientists for not having reached a definite answer about why cave fishes
lose their eyes
D. to praise scientists for the effort they have put into understanding the cause of
blindness in cave fishes
B.to prepare learners for a discussion of a possible answers to this question
what organelles are not found in plant cells?
Answer:
The organelle not found in plant cells is the centriole. Plant cells have a large central vacuole that holds water and minerals for the cell.
Explanation:
Answer:
The centriole JRJRJRBRBV5NEJDJDHDNEJB5BTKWH
Explanation:
I don't know what to put here
which type of hormone diffuses across the plasma membrane and binds to receptors in the cytoplasm module 16.4c
Answer:
Steroid hormones.
Explanation:
Steroid hormones is a type of hormones that diffuses across the plasma membrane and binds to the receptors present in the cytoplasm. The hormones are released from the carrier protein and diffuse inside the cell across the lipid bilayer of the plasma membrane of the cells. The steroid hormones pass through the plasma membrane of a target cell and attached to the intracellular receptors located in the cytoplasm or in the nucleus.
During cellular respiration, the first CO2 is generated during _____ and the remaining carbons are given off as CO2 during _____.
Answer:
Glycolysis and Krebs cycle.
Explanation:
During cellular respiration, the first carbondioxide gas is generated during glycolysis while the remaining carbons are given off as carbondioxide during Krebs cycle. During the process of glycolysis in cellular respiration, glucose is oxidized forming carbondioxide and water whereas during the Krebs cycle, the two carbon atoms of acetyl-CoA are released and each turns into a carbondioxide molecule.
HELP!!!! The diagram below shows a portion of the water cycle. What does Y most likely represent
Answer:
Y most likely represents springs.
A process that completely removes or destroys all viable microorganisms, including viruses, from an object or habitat is referred to as disinfection
Answer:
A process that completely removes or destroys all viable microorganisms, including viruses, from an object or habitat is referred to as disinfection
Answer
yes, this is referred as disinfection.What can you tell about an igneous rock that has a coarse-texture?
A. It is a carbonate.
B. It probably formed in a volcanic eruption.
C. It is most likely formed underground.
D. It is extrusive.
Answer: It is most likely formed underground
An igneous rock that has a coarse texture is one that formed from slowly cooling magma deep within the Earth's crust, or from slowly cooling lava on the surface. The slow cooling allows large mineral crystals to grow, giving the rock a coarse, grainy texture.
What can the size and shape determine ?The size and shape of the mineral crystals within the rock can provide information about the rock's cooling history and the conditions under which it formed. Coarse-grained igneous rocks such as granite, gabbro, and diorite typically have crystals that are visible to the open eye, with sizes ranging from a few millimeters to several centimeters in diameter.
The composition of the rock can also be determined based on the types of minerals present in the coarse-grained texture. For example, if the rock contains primarily feldspar and quartz, it is likely a granite. If it contains mainly plagioclase feldspar and pyroxene, it is likely a gabbro.
Overall, the coarse texture of an igneous rock indicates that it cooled slowly over a long period, allowing mineral crystals to grow and form a visible grain structure. The size and composition of the crystals can provide clues about the rock's history and origin.
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Which direction do
rock fragments eroded
by runoff generally
travel?
A downhill
B uphill
C uphill at certain times
of the day and
downhill at other
times of the day
D horizontally until
they reach an
obstacle that they
cannot pass over
Answer:
A downhill
Explanation:
A runoff happens when water drags sediment from a rock over a sloping terrain. Thus, water drags the eroded fragments of a rock in favor of gravity, pushing these fragments downwards. This is very common in mountainous and steep regions, without vegetation cover, where erosion caused by runoff is very high.
All of the six carbon atoms in each glucose molecule leave respiration in the form of carbon dioxide. Most of them leave during which part of aerobic respiration
put carefully your question
Help please!!!!!!!!!!!
Answer:
d
cause
Explanation:
The ___________ can be found as part of the epithalamus, near the superior colliculi of the midbrain.
Answer:
The answer is, pineal gland
Explanation:
I hope this helps you out!
*see image attached* could anyone answer this biology question?
Answer:
c. 360ml
Explanation:
first find the ratio.
90/25=3.6
100*3.6=360ml
what is circulatory system?
Answer:
the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.
Explanation:
Darwin’s finches evolved on an island. What is the main reason that islands often provide good examples of evolution?
They have many niches.
They have many organisms that live on them.
They allow for automatic biogeographic isolation.
They allow for many variations to exist in species.
Answer: c) They allow for automatic biogeographic isolation.
The main reason that islands often provide good examples of evolution that they allow for automatic biogeographic isolation. The correct option is C.
What is evolution?Transition in the heritable traits of biological communities over time is referred to as evolution.
These traits are gene expressions that are passed down from parent to progeny during reproduction.
They have resulted in significant gains in standard of living, public welfare, wellness, and protection.
They have altered our perceptions of the universe and of ourselves in relationship to the world around us. One of the most fundamental concepts in modern science is biological evolution.
They are well-known for evolving different beaks that are suited to different food types, such as large seeds as well as invertebrates, enabling them to occupy different niches.
Thus, the correct option is C.
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