Explanation:
Perhaps the most fundamental property of all living things is the ability to reproduce. All organisms inherit the genetic information specifying their structure and function from their parents. Likewise, all cells arise from preexisting cells, so the genetic material must be replicated and passed from parent to progeny cell at each cell division. How genetic information is replicated and transmitted from cell to cell and organism to organism thus represents a question that is central to all of biology. Consequently, elucidation of the mechanisms of genetic transmission and identification of the genetic material as DNA were discoveries that formed the foundation of our current understanding of biology at the molecular level.
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Genes and Chromosomes
The classical principles of genetics were deduced by Gregor Mendel in 1865, on the basis of the results of breeding experiments with peas. Mendel studied the inheritance of a number of well-defined traits, such as seed color, and was able to deduce general rules for their transmission. In all cases, he could correctly interpret the observed patterns of inheritance by assuming that each trait is determined by a pair of inherited factors, which are now called genes. One gene copy (called an allele) specifying each trait is inherited from each parent. For example, breeding two strains of peas—one having yellow seeds, and the other green seeds—yields the following results (Figure 3.1). The parental strains each have two identical copies of the gene specifying yellow (Y) or green (y) seeds, respectively. The progeny plants are therefore hybrids, having inherited one gene for yellow seeds (Y) and one for green seeds (y). All these progeny plants (the first filial, or F1, generation) have yellow seeds, so yellow (Y) is said to be dominant and green (y) recessive. The genotype (genetic composition) of the F1 peas is thus Yy, and their phenotype (physical appearance) is yellow. If one F1 offspring is bred with another, giving rise to F2 progeny, the genes for yellow and green seeds segregate in a characteristic manner such that the ratio between F2 pl
I have a squeaky popsocket ;-;
Answer:
i have a pusheen popsocket
Explanation:
i dunno i like pusheen and wanted to answer lol
How is fick's law calculated
Answer:
Explanation:Fick's Law describes the relationship between the rate of diffusion and the three factors that affect diffusion. It states that 'the rate of diffusion is proportional to both the surface area and concentration difference and is inversely proportional to the thickness of the membrane'. ∝ means 'is proportional to'.
How can clothes impact someone’s performance?..i need three facts for an essay
Answer:
Clothes too tight can restrict someone's movement Clothes too baggy could possibly trip someone up, which could lead to broken bones/concussionsClothes could get in someone's way while they are trying to preform or do a certain task that could result in an injury.Answer:
Clothes can impact someone's performance by
Causing them to be cold or hot and experience symptoms.
Slow them down if they are exercising because of the material.
The clothes might get damaged causing the person to have to stop whatever they are doing to assess the situation.
Explanation:
I am a human. Therefore, I have wore clothes.
How does homeostasis maintain a balance in an ecosystem?
Answer: It is known as ecological homeostasis to the exchange that takes place between diverse natural means that allow to maintain a balance within an ecosystem. These adjustments are considered necessary to achieve survival. Usually these homeostatic balances can be understood by observing populations or systems that depend on each other.
Explanation:
HELP!! ASAP!! PLEASE!!
Answer:
the offspring percent would be 25% would end up.
what is difference between the male and female voice
Answer:
Female voices are higher, and male voices are deeper. This is caused by the vocal muscles being more contracted than the others during puberty. Hope this helped and have a wonderful day/night! :D
Phytopharmaceuticals are pharmaceutical compounds that are found in plants. They can be naturally occurring or a result of biotechnology. Recently, scientists created genetically modified (GM) corn that produces the antibiotic penicillin. The seeds of this GM corn contain a large amount of the antibiotic penicillin, making the cost of producing the penicillin much cheaper and making the method of delivering it to patients in need much easier. Given the benefits of this GM corn, which of the following may be a concern regarding its production?
A.The GM corn may develop infections from bacteria that are sensitive to the antibiotic.
B.The GM corn might pass resistant genes to other organisms, like birds, that may eat the seeds.
C.Because corn uses the wind for pollination, people allergic to penicillin may be at risk for exposure to the antibiotic in the air.
D.Increased availability of the antibiotic may increase the development of antibiotic resistance in the infectious agents penicillin is used to treat.
Answer:
The answer is D.Increased availability of the antibiotic may increase the development of antibiotic resistance in the infectious agents penicillin is used to treat.
Explanation:
The correct option is Increased availability of the antibiotic may increase the development of antibiotic resistance in the infectious agents penicillin is used to treat.
What are genetically modified crops?Through the use of laboratory procedures, genetic modification (GM) technology enables the transfer of genes for particular traits between species.
In the middle of the 1990s, GM crops were first made available in the U.S. The majority of GM crops being farmed in the U.S. have been modified to be herbicide or insect resistant. The three GM crops with the highest acreages are corn, soybeans, and cotton.
The technology has the potential to be used in the future to improve nutrition, stress tolerance, disease resistance, biofuel efficiency, and the cleanup of polluted places.
The U.S. Department of Agriculture (USDA), the Environmental Protection Agency (EPA), and the Food and Drug Administration (FDA), each with the ability to regulate particular parts of the crops, are in charge of regulating GM crops at the federal level.
Therefore, The correct option is Increased availability of the antibiotic may increase the development of antibiotic resistance in the infectious agents penicillin is used to treat.
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What is tissue? Include examples for both plants and animals.
Answer:Plants are simpler organisms than animals, having three organ systems and fewer organs than do vertebrate animals. Organs are composed of tissues, which are in turn composed of cells. Plants have three tissue types: ground, dermal, and vascular. Animals have four: epithelial, connective, muscle, and bone.
Explanation:
Which process doesn't happen in the leaves?
a) Transpiration.
b) Absorption of water and nutrients.
c) Production of chlorophyll.
d) Respiration (taking CO2 in and letting 02 out).
Answer:
c) Production of chlorophyll.Explanation:
Leaves cannot perform photosynthesis without chlorophyll. Some plants have variegated leaves, with patterns of white and green. In these plants only the green parts of the leaf can photosynthesize, because the white parts have no chlorophyll.
i hope it's help
which gas passes from the air sacs in the lungs into the blood capillaries?not sure if carbon dioxide or oxygen pls i need help fast !!
Answer:
oxygen
Explanation:
oxygen gets diffused from the air sacs (aka alveoli) and into the cappilaries.
Alicia is moving from southern Georgia to Alaska. She wants to bring her peanut plants with her so she can replant them in Alaska. Which best explains how
this could affect the survival of her peanut plants?
O A Alicia's peanut plants will not be affected by the move from southern Georgia to Alaska because the environmental conditions are the same.
o B. Alicia's peanut plants are not suited for the environmental conditions in Alaska, which would threaten their survival.
C. Alicia's peanut plants will grow larger by the move from southern Georgia to Alaska because the environmental conditions are better.
OD. Alicia's peanut plants are better suited for the environmental conditions in Alaska, which would improve their survival
Moles are small mammals that are virtually blind and live in underground burrows for most of their lives. This is an example of the interaction between which Earth's systems?
A. biosphere/lithosphere
B. Lithosphere/hydrosphere
C. hydrosphere/biosphere/lithosphere
D. Atmosphere/lithosphere/hydrosphere
Answer:
A. biosphere/lithosphere
Explanation:
The habitat of moles in underground burrows shows the interaction between the biosphere and lithosphere.
The biosphere the region of the earth occupied by living organisms.
The lithosphere is the solid part of the earth
Organisms interacts with the lithosphere in diverse ways. For underground burrowers, their dwelling place is situated in crevices and holes. This interdependence highlights the interaction between the spheres in nature.arrange the events of meiosis l of an animal cell in the correct order
Answer:
DNA condenses into chromosomes (prophase)
Homologous pairs align to initiate crossover (metaphase)
Microtubules pull apart the homologous pairs toward opposite poles (anaphase)
Nuclear envelopes develop around the nuclei (telophase)
Please answer fast!! Will mark BRAINLIEST!! PLEASE HURRY
It should be
Option C
Chec
When Mendel crossed a plant with green peas and a plant with yellow peas, what color peas did the offspring have?
O All offspring had green peas.
O All offspring had yellow peas.
O Half of the offspring had yellow peas and half had green peas.
O Some of the offspring had yellow peas and some had yellow-green peas
Answer:
The answer is B: All offspring had yellow peas.
Explanation:
:)
1.I was invented in the 1960s.
2.I am well known for the light I produce.
3.My light is monochromatic and coherent.
4.It has high intensity and low divergence.
5.Because of these properties, It is used in cutters, DVD player and surgery.
So who am I?
Answer:
Laser
Explanation:
The properties and description given fits precisely that of a laser.
It was invented in May 1960 by Theodore Maiman.
LASER = Light Amplification by Stimulated Emission Radiation.
It a monochromatic and coherent lightLaser is used in cutters, DVD players and for performing surgeries. Some equipment also use laser to take certain measurements. They are distinguished by the lasing materials used to produce them.When previewing a literary text, to what features should you pay attention?
a.
titles
c.
illustrations
b.
beginnings and endings
d.
all of the above
Please select the best answer from the choices provided
A
B
C
D
Answer:
A. Titles
Explanation:
Answer:
d
Explanation:
i took the test
Complete the sentence : to organisms that are the same species can _____ and produce ____.
Answer: can mate and produce offspring
Explain how the unique properties of water are used by plants?
Which statement is true of recessive sex-linked traits such as color blindness ?
Answer:
colorblidness is carried on the X cromasome. since it is resessive it can be covered up. woman have 2 X cromasomes so both have to have it or she wont be color blind. men only have one X cromasome so its more likely that their just one X can have it
Explanation:
Answer:
Ressesive
Explanation:
Temporal Lobe
Brain
Frontal Lobe
Parietal Lobe
Nerves
Spinal Cord
Occipital Lobe
:: CNS
:: PNS
Answer:
huh ? what are yu asking ?
Explanation:
What percentage of the offspring will have the type a blood phenotype
If father is heterozygous there are 50% chances of having blood type A, and if father is homozygous, every child will carry blood group A.
What is blood group?Based on presence and absence of antigens and antibodies on surface of red blood cells, blood is classified as blood groups. These antigens can be proteins, carbohydrates, glycolipids, or glycoproteins.
There are two types of blood grouping. ABO and Rh, where ABO denotes persons blood group as A, B, AB, O and Rh denote Rhesus positive and Rhesus negative blood type.
Blood groups are inherited from both parents. If type A is inherited from one parent and type A or O inherited from another parent blood group of offspring will be A.
Therefore, there are 50% of chances that offspring will have A blood type.
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The diagram below shows a portion of the concept map for the Rock Cycle:
(shown below)
Which of these would best fit in the missing part of the cycle?
Magma
Lava
Sedimentary rocks
Sediments
Answer:
Sedimentary Rock
Explanation:
The option that would best fit in the missing part of the rock cycle is the sedimentary rocks. Thus, the correct option for this question is C.
What is the Rock cycle?The rock cycle may be defined as a series of processes that a rock of the earth's crust can undergo in its lifespan. These processes significantly illustrate the transformation of a rock's state from one form to another.
The conversion of metamorphic to sedimentary rock is mediated by the process of weathering. Metamorphic rocks will be exposed to weathering processes and may break down into sediment. These sediments could then be compressed to form sedimentary rocks, which would start the entire cycle anew.
Therefore, the option that would best fit the missing part of the rock cycle is the sedimentary rocks. Thus, the correct option for this question is C.
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What is the function of the endocrine system?
Answer:
Endocrine glands release hormones into the bloodstream. This lets the hormones travel to cells in other parts of the body. The endocrine hormones help control mood, growth and development, the way our organs work, metabolism , and reproduction.
Explanation:
Which of the following organelles were NOT FOUND in animal cells? (CHECK ALL THAT APPLY)
Cell Wall
Plant Cell Membrane
Rough ER
Chloroplast
Small Vacuole
Large Vacuole
(This is 7th grade science).
Answer:
Plant cell membrane, Chloroplast
Explanation:
Mark me as brainliest if i helped u, i really need it:)
this phenomenon, which provides evidence for the big bang theory, is called what?
Answer:
Doppler Red-Shift Evidence
Explanation:
The Doppler red-shift of light observed from distant stars and galaxies gives evidence that the universe is expanding (moving away from a central point). This allows for Big Bang Theory, because after a “bang” occurs all of the matter moves away from the point of origin.
Which type(s) of substances can water dissolve? (select the 3 correct answers that apply)
hydrophobic
non - polar
ionic
polar
hydrophilic
Answer:
ionic, hydrophillic,polar
Explanation:
non polar compounds dissolve in non polar solvents like alcohol and hydrophobic substances generally repel water .
Which statement is most accurate?
Answer:
the one you picked, yes.
Explanation:
Pancreatitis is an inflammation of the pancreas which can damage pancreatic tissue. The pancreas produces digestive enzymes such as amylase and lipase. These enzymes assist in breaking down certain food biomolecules. In this disorder, enzyme production from pancreatic tissue may be stopped. Identify the substrate.
Answer:
Lipase is a lipid
Amylase is a starch
Explanation:
How many letters in a codon?
Select one:
O 5
o 6
O 3
o 4