Answer:
b.
I would heat 2 equal quantities of water, one containing salt and one without with equal conditions (container, heat source, etc) and compare the amount of time it takes to heat from an equal starting point to an equal finish point.
I am giving 15 ponits! pls answer!!
How do you predict that a change to a single nitrogen base, such as an adenine or a thymine, could affect the function of a gene?
Answer:
Study whether a different protein is produced or has a different function because another amino acid has been synthesized
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Explanation:
A scientific _______ is an explanation based on many observations by many different researchers.
A scientific _______ is usually an explanation based on one observation by one researcher.
A.
theory; hypothesis
B.
deduction; inference
C.
hypothesis; theory
D.
inference; deduction
Answer:
A
Theory
Hypothesis
I hope this helps
dose DNA have cells
i need to know for a assingment
Answer and Explanation:
Cells are made of DNA (Deoxyribonucleic Acid).
They provide the genetic instructions for making and forming a cell.
The DNA is found inside the nucleus of the cell.
Because the cell is very small, and because organisms have many DNA molecules per cell, each DNA molecule must be tightly packaged. This packaged form of the DNA is called a chromosome
DNA do NOT have cells, but cells DO have DNA.
#teamtrees #PAW (Plant And Water)
Muscles cannot function without ATP. Review your knowledge of ATP by answering the followini
questions.
ATP molecules store and release_____.
Answer:
energy
Explanation:
hope it helps.
Answer:
ATP molecules store and release energy.
Energy is released when ✔phosphate bonds are broken.
edge ✅⬇️
Using the diagram below, answer the following questions:
- True or False. The arrow labeled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false.
- True or False. The arrow labeled A represents a transfer of solar energy to chemical energy. Explain why this is true or false.
- Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
- Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.
- Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer.
Answer:
FALSE. The factory uses mechanical energy and when carbon is released into the atmosphere it is the process of chemical energy. ... Arrows C + F represent a release of carbon dioxide. Arrow C shows carbon being released into the air from the factory.Its true because the arrow letter A uses the of solar power from the sun then makes a chemical reaction to make food for the plant so basically photosynthesis. 8.arrow E represents cycling of carbon from living organisms to non-living organisms. this is because it is showing conversion of a carbon from the dead tree to fossil fuel.All the arrows in a combined form are used to show the biogeochemical cycle or the carbon cycle. In this cycle, carbon is cycled between the biotic and abiotic component of the biome. In any biogeochemical cycle, mas and energy are always conserved.
Transcribe the following strand of DNA into mRNA:
DNA: TAC-GCC-GAC-ACT
need answer quick please thanks
A land breeze occurs during the ________ because the air above the land is a _________ pressure
How are antibodies related to the type of blood a person can receive?
Does anyone k one what is
Answer:
If it is present, that person's blood is Rh positive (+); if not, the blood is Rh negative (-). ... For example, a Blood Group A individual has no B antigens on their red blood cells; therefore, this person's white blood cells will make antibodies against the B antigen (anti-B) that will be present in their plasma.
Explanation:
i hope this helps
In a paragraph discuss the process of the life cycle of seedless plants.
Answer:
The life cycle of seedless vascular plants alternates between a diploid sporophyte and a haploid gametophyte phase. Seedless vascular plants reproduce through unicellular, haploid spores instead of seeds; the lightweight spores allow for easy dispersion in the wind.
hope it will help u in understanding..What do you mean by anaemia?
Answer:
Anemia is a condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body's tissues.
Explanation:
It is defined as a low number of red blood cells. In a routine blood test, anemia is reported as a low hemoglobin or hematocrit.
the eye is a delicate organ, which is formed from multiple_____?
AHHHH please helpp!!!
Answer:
tissue
Explanation:
since the eye is an organ, where an organ is said to be a group of tissues.
Answer:
Tissue
Explanation:
It's formed from multiple tissue
The elephant and silverback are similar because they both travel looking for *
Water
Fruits and seeds
A mate
*
Which example is NOT an outcome of the ecosystem modifying a phenotype?
A.the changing of the color of an animal's fur as the temperature changes
B.the increased intelligence of a person who attended school for many years
C.the pink-flowered snapdragons that result from crosses between red-flowered and
white-flowered snapdragon plants
D.the very short stature of a kind of tree that grows at a high altitude in comparison with
the same kind of tree growing at a lower altitude
Answer:
The pink-flowered snapdragons that result from crosses between red-flowered and white-flowered snapdragon plants
Explanation:
Sharks protect producers (sea grasses)
by
acting as abiotic limiting factors
allowing populations of sea grass consumers
(organisms that eat sea grass) to grow
uncontrollably
keeping the populations of sea-grass.
consumers in check (controlled)
Answer:
bacteria and soil.
Explanation:
basically
Ecological succession usually includes changes in all of the following EXCEPT-
A. The number of different kinds of plants
B. The number of plants of any one species
C. The overall size of the dominant plants
D. The rate at which species produce offspring
Answer: its d i just took the test
Explanation:
Ecological succession usually includes change EXCEPT for the option" A" which is the number of different kinds of plants.
What is Ecological succession?Ecological succession is the process that describes how the structure of a biological community (that is, an interacting group of various species in a desert, forest, grassland, marine environment, and so on) changes over time.
Thus, according to ecological succession, the number of different kinds of plants.
To learn more about ecological succession click here:
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In the leaf cells of a plant, enzymes control the rate at which carbon dioxide is converted into glucose. Which environmental factor would MOST affect the action of the enzyme?
Answer: The environmental factor that would most affect the action of enzymes in the conversion of carbon dioxide into glucose (photosynthesis ) is the light.
PHOTOSYNTHESIS - Photosynthesis is a process by which plants and other organisms convert light energy into chemical energy, which is then released to fuel the organism's metabolic activities through cellular respiration. Carbohydrate molecules, such as sugars, store this chemical energy, which is created from carbon dioxide and water.
The first photosynthetic species most likely arose early in the evolution of life and used reducing agents such as hydrogen or hydrogen sulfide as electron sources rather than water. In the process of carbon fixation, carbon dioxide is transformed into sugars; photosynthesis uses energy from the sun to turn carbon dioxide into carbohydrate. Carbon fixation is a redox reaction that is endothermic. Photosynthesis is the oxidation of carbohydrate or other nutrients to carbon dioxide, while cellular respiration is the reduction of carbon dioxide to carbohydrate. Carbohydrates, amino acids, and fatty acids are nutrients involved in cellular respiration.
why is taking action for global warming important? please help
Answer: Global warming will cause significant harm to the health of persons and their communities by compromising food and water supplies; increasing risks of morbidity and mortality from infectious diseases and heat stress; changing social determinants of health resulting from extreme weather events, rising sea levels,
Como resultado del proceso de la fotosíntesis se elimina a través de los estomas a La glucosa b) El oxígeno. C) El dióxido de carbono d ) Oxígeno y dióxido de carbono
Answer:
Como resultado del proceso de la fotosíntesis se elimina a través de los estomas el oxígeno.
Explanation:
La fotosíntesis es un proceso metabólico que llevan a cabo determinadas células de organismos autótrofos, es decir, aquellas que tienen la capacidad de producir su propio alimento, como las plantas. Con este proceso, las plantas captan la energía de la luz solar y la transforman en energía química, para producir materia orgánica a través de materia inorgánica.
Los procesos que llevan a cabo las plantas en la fotosíntesis se llevan a cabo en 2 etapas: en la primera etapa las plantas absorben el agua del suelo a través de las raíces. A través de sus tallos lo transportan hasta sus hojas. En estos se encuentra el pigmento llamado clorofila, que además de darle a la hoja el color verde, capta la luz solar y rompe la molécula de agua (H₂O), separando el hidrógeno (H) del oxígeno (O₂). En esta etapa se almacena energía y se libera oxígeno al medio ambiente.
La otra etapa es capturar dióxido de carbono. Esto proporciona los átomos de carbono y oxígeno que, junto con el hidrógeno y la energía almacenada, formarán la molécula de glucosa.
Entonces, los estomas son poros en la superficie de las plantas, encontrándose mayoritariamente en las hojas y en menor medida en los tallos y otros órganos. En ellas transcurre el intercambio gaseoso mecánico, es decir que en este lugar sale el oxígeno y entra dióxido de carbono en la fotosíntesis.
Por lo que, como resultado del proceso de la fotosíntesis se elimina a través de los estomas el oxígeno.
In the early stages of development, the embryos of dogs, pigs, and humans resemble one
another. This observation suggests that these animals may have
A)a common ancestry.
B)a similar number of chromosomes.
C)a similar habitat requirements.
D)the same blood components.
Answer:
a common ancestry.
Explanation:
what is the possible liminations of using hair as evidence in crime investgation s\
Answer:
A limitation of using hair as evidence from a crime scene is that hair can not be directly linked to a suspect. It is impossible to say that a hair sample came from only one specific person.
Answer:
How it got there. Anyone's hair can be carried and blown from anywhere, if so you'd have to go through every persons dna that had contact with a victim and contact with the contactie and so on and so on.
A bee gets nectar from a flower and the flower gets help with pollination. Both benefit, so the symbiotic relationship is _______________.
Competition
Commensalism
Mutualism
Parasitism
What is the connection between work and power? Name three
Answer:
Work is the energy needed to apply a force to move an object a particular distance, where force is parallel to the displacement. Power is the rate at which that work is done.
Explanation:
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they both have authority
they both are very common
they both are normally taken by serious people
The process of embryonic development is represented in the diagram below.
Zygote
Developing
embryo
The three arrows in the diagram each represent a process known as
1.
mitotic cell division
2.
meiotic cell division
3.
fertilization of gamete cells
4
differentiation of tissues
Answer:
1. Mitotic cell division
Explanation:
Embryonic development is the formation of organisms that starts from the process of fertilization. The stages of development represent mitosis.
What is mitosis?Mitosis is a part of the cell cycle, that produces two identical nuclei and daughter cells from the division of the cell and replication of the parent cell.
From the diploid parent cell, two diploid daughter cells are produced in mitosis. This process is the first and the initial stage of embryonic development that initiates the growth and development of the embryo from the parent cell.
Therefore, option 1. mitosis is the process of embryonic development.
Learn more about mitosis here:
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The complementary strand of DNA to the DNA fragment GGC ATA CAT is: (DNA replication)
CCG UAU GUA
GTA TAT CCG
ATG TAT GCC
CCG TAT GTA
which one ^
Answer:
CCG TAT GTA
Explanation:
In DNA replication, adenine pairs to thymine and cytosine pairs to guanine. We take the template strand and pair the correct letters (A to T, C to G).
HELP ME I PROMISE ILL GIVE YOU ANYTHING
How can we tell that two species shared a common ancestor, and are therefore related?
Answer:
Homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations (beneficial features). Similarities and differences among biological molecules
Explanation:
There are multiple ways you can tell
you can look at the bone structure of an organism and see if it's homolougous
Or use a cladogram to tell what species share a common ancestor ( hope this helps)
HELP!!!! 50PTS!!!!!!
When some organic molecules, such as lipids, are added to water, vesicles can form. Which of the following best describes how scientists hypothesize true cells evolved from vesicles? (3 points)
Vesicles became enclosed by a membrane, thus becoming organelles for larger cells.
Vesicles containing amino acids fused to form nucleotides, RNA, and DNA.
Vesicles surrounded organic compounds and catalyzed reactions to form macromolecules.
Vesicles that contained self-replicating RNA grew, split, and passed their RNA to daughters.
Answer:
DNA can store genetic information and most likely appeared before RNA.
Explanation:
Answer:
Vesicles that contained self-replicating RNA grew, split, and passed their RNA to daughters.
Explanation:
RNA played role in protein synthesis and also created its own catalyst.
The principal is in desperate need of a blood transfusion but unfortunately has the rare blood type () and
needs a donor that is also O. He offers a reward to anyone who could help him. The vice principal knows
unfortunately that his blood type is heterozygous type A and that his wife is heterozygous type B. What is
the probability that one of their children will have the blood type to match the principal?
Answer:
The answer should be C
Explanation:
Your best friend is concerned about a mole on her arm. Knowing that you are taking a biology class she comes to you and asks for your opinion. You take a sample of her mole and view it under a microscope. While counting a selection of 300 cells, you notice that 87 cells are actively undergoing mitosis. Should your friend be concerned?
Answer:
She should consult a dermatologist immediately.
Explanation:
When doing preemptive diagnosis of a mole, one should compute the Mitotic Rate (MR) - and the MR reported in the question is way above the highest category "greater than 4 per square millimeter" (to compare. there's around 2000 cells per sqmm of skin, so we're at over 500 per square millimeter).
