If the DNA is GGC ATC CAG, what is the corresponding mRNA?
Answer:
CCG UAG GUC
Explanation:
The complementary mRNA strands for DNA are shown below.
G = C
A = U
C = G
T = A
U = A
Using this, we can conclude that the corresponding mRNA is CCG UAG GUC.
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The exchange of genetic material between nonsister chromatids is called crossing-over and occurs during which phase of meiosis?.
Answer:
prophase I
Explanation:
during prophase I, and it is the exchange of genetic material between non-sister chromatids of homologous chromosomes
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What natural resources are used to make artificial sweeteners?.
compare and contrast the five types of evidence that support the theory of evolution
There are five lines of evidence that support evolution: the fossil record, biogeography, comparative anatomy, comparative embryology, and molecular biology. The basic idea of natural selection is that a population of organisms can change over the generations if individual having certain heritable traits leave more offspring than other individuals. The result of natural selection is evolutionary adaptation, a population’s increase in the frequency of traits that are suited to the environment. In modern terms, we would say that the genetic makeup of the population has changed over time, and that is one way to define evolution. Evolution leaves observable signs. There are five lines of evidence that support evolution: the fossil record, biogeography, comparative anatomy, comparative embryology, and molecular biology.
Viruses require __________ for growth (to spread).
bacteria
plants
animals
living cells (host)
Answer:
Living cells
Explanation:
Viruses require living cells. Viruses aim to replicate themselves, and cells do exactly that. By injecting their DNA into a living cell, the cell will replicate the virus's DNA and infect other cells, spreading it more and more in the organism.
This is an organism that relies on other organisms for its food and energy supply also called a heterotroph
Answer:
Consumer
Explanation:
This is because comsumers rely on eating other organisms for energy. They "consume" other organisms, which is where the name comes from.
Which hormones promote facultative water reabsorption?.
Answer:
The correct answer is option (d) ADH. The hormone that is responsible for facultative water reabsorption is the antidiuretic hormone (ADH).
When arginine is added to a culture already growing exponentially in a medium without arginine, what occurs?.
Answer:
When arginine is added to a culture growing exponentially in a medium without arginine, what occurs? Growth continues, but the production of enzymes required for the synthesis of arginine ceases
Explanation:
How do we represent dominant and recessive alleles?.
Enzymes _______ the activation energy threshold required to start a chemical reaction.
raise
lower
Answer:
lower
Explanation:
Enyzmes usually lower the activation energy required to start a chemical reacion. It's useful to remember enyzmes as compounds which help speeden up different chemical processes. They do this by decreasing the required activation energy and therefore increase the chance of a chemical reaction occuring.
Enzymes lower the activation energy threshold required to start a chemical reaction.
Definition of Enzymes: a substance produced by a living organism which
acts as a catalyst to bring about a specific biochemical reaction.
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Natural gas drilling locations are determined by _______. a. random drilling b. seismic surveys c. natural gas dogs d. satellite surveys please select the best answer from the choices provided a b c d
Natural gas is produced naturally by decomposed plants and animals which are subjected to intense heat from earth and pressure from rock. Seismic surveys are often used by geologists for its drilling.
What are the factors involved in natural gas drilling?When extracting natural gas, it is very much important to identify correct location and to identify some factors regarding location. Below are the factors for consideration.
Extraction of resource: it is very important to select the exact site for the extraction. Various states have laws for this process.Selection of drilling site: specific locations are selected based on factors like topography, reservoir characteristics, geology, etc. This is also done after clearing some laws.Thus, the correct option is option b.
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Answer:
short answer: OPTION B
Explanation:
just took the quiz on edge
Question 6 (1 point)
What 4 body systems are used for CLEANING
YOUR ROOM?
List each body system (4 systems should be
listed) and explain how each system helps the
body when you clean your room.
Here are the body systems we talked about in class. Use this list to help you recall the types of systems
in the body: Muscular System, Skeletal System, Nervous System, Circulatory System, Digestive System,
Immune System, Reproductive System, Integumentary System, Respiratory System, Excretory System
Answer:
The skeletal system:This system controls our bones so we aren't just a blob on the ground. Our bones help keep our important organs intact.
The muscular system works about the same way, it protects your bones so they don't grind against eachother when you move. Your muscles give you the ability to move.
Our organ system is what keeps us alive, you can't clean your room if your dead and if your room is hot you need your skin so you don't overheat and die.
Lastly of course is your respitory system, you need to bring when your moving about. Our ability to breathe gives our blood cells and our heart what they need to keep working.
Body structure and colour of animal help them in adaptation. Justify this statement with an example.
Answer:
Cuttlefish
Explanation:
They camouflage with their surroundings to attract their prey, but also hide from predators.
What do smooth muscle cells look like under a microscope? A.small,striated,and 1-2 nuclei per cell. B.long and thin with striations and multiple nuclei. C.smooth ,1 nuclei,and connected by gap junctions.
Answer:
your answer would be C
C.smooth ,1 nuclei,and connected by gap junctions.
Explanation:
This is because, the other options include it having striations, and it does not have that.
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Tori
Smooth muscle cells look like smooth, single nucleate, and connected by gap junctions under the microscope. Thus, the correct option is C.
What are Smooth muscle cells?
Smooth muscle cells are also called as involuntary muscle cells. These muscle shows no cross stripes under microscopic magnification. Muscle cells are made up of narrow spindle-shaped cells with a single, centrally located nucleus. Smooth muscle tissue, unlike the striated muscle, contracts slowly and automatically in the body.
At a cellular level, smooth muscle cells can be described as an involuntary, non-striated muscle cell. Smooth muscle cells consist of alternate thick and thin filaments which are not arranged into sarcomeres however it gives a non-striated pattern. On further microscopic examination, it appears homogenous.
Therefore, the correct option is C.
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In which location would you expect to find the greatest species diversity?
Which two phases of meiosis are most likely to cause chromosomal disorders?
Answer:
Nondisjunction can occur during anaphase of mitosis, meiosis I, or meiosis II. During anaphase, sister chromatids, will separate and move to opposite poles of the cell, pulled by microtubules.
Explanation:
When igneous rock is formed,the size of the rock crystals or grains is primarily dependent on
Answer:
The three factors that influence the textures of igneous rocks are the speed of cooling, the silicate content, and the water content.
Igneous rocks contain randomly arranged interlocking crystals. The size of the crystals depends on how quickly the molten magma solidified: magma that cools slowly will form an igneous rock with large crystals. lava that cools quickly will form an igneous rock with small crystals. When magma cools, crystals form because the solution is super-saturated with respect to some minerals. If the magma cools quickly, the crystals do not have much time to form, so they are very small. If the magma cools slowly, then the crystals have enough time to grow and become large.
1.what causes muscle fatigue after avery hard physical exercise ?
During a very hard physical exercise lactic acid will be alocated, that causes muscle fatigue.
The breaststroke is started in the dive position in the water
Question 4 options:
True or false
The breaststroke is not started in the dive position in the water. Therefore, the statement is false.
What is breaststroke?The breaststroke is not started in the dive position in the water. It started in a stationary position with the swimmer, which faces forward and floats in the water.
The swimmer then takes a breath followed by the beginning of the stroke by pulling both arms back simultaneously and lifting their head and shoulders out of the water.
The legs are brought together by the swimmer andglides forward before the repetition of the arm and leg movements. It is the butterfly stroke because of the dive position, as the swimmer resurfaces both arms extended above the head to begin the stroke.
Therefore, the breaststroke is not started in the dive position in the water as it is started in a stationary position with the swimmer facing forward and floats in the water.
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Endangered species are species with decreasing populations that are at risk of extinction. Which of the following would MOST LIKELY increase the risk of extinction?
A. Sudden loss of habitat
B. Decreased number of natural predators
C. Increased availability of reproductive mates
The selection of antibiotic resistant bacteria is an example of:.
The selection of antibiotic resistant bacteria is an example of natural selection.
What is natural selection?Natural selection is the process whereby organisms that are better suited or adapted to their environment have more chance of survival.
Antibiotic resistance is a phenomenon of certain bacteria that gives them an edge over their susceptible counterparts.
Antibiotic resistance is caused by evolution through the process of natural selection.
Therefore, the selection of antibiotic resistant bacteria is an example of natural selection.
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What are the three distinct characteristics of fish?
Answer:
All fish are cold-blooded, which is also called ectothermic.
Water Habitat. Another shared characteristic amongst all fish is that they live in water.
Gills to Breathe.
Swim Bladders. .
Explanation:
Which of the following is the correct chemical formula for glucose
Answer:
C6H12O6: 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms bonded together making one molecule of glucose
When a group of proteins such as interferons and interleukins are released by the t cells, intercellular signals begin the immune response, what is the medical term used for the group of proteins?.
The cytokine describes the group of proteins such as interferons and interleukins that regulate cell communication, mainly produced by the immune system in normal and pathological conditions.
What is a cytokine?They are messenger molecules with a glycoprotein structure, whose lifetime is short and generally secreted in cascades.
They are produced by different activated cells, responsible for innate and/or acquired immunity, and regulate the immune and inflammatory response.
Therefore, we can conclude that the cytokine describes the group of proteins that regulate cell communication, mainly produced by the immune system in normal and pathological conditions.
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What is the most basic unit of structure
and function?
A. a tissue
B. a cell
C. an organ
D. an organ system
Answer:
a cell is the basic unit of structure and function
Pleas help fast! I am not happy with my grade on this and I'm on my last try!
Answer:
im pretty sure its A and B
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4. Prokaryotes differ from eukaryotes in that prokaryotes
A) have only a nucleus, cell membrane, and cytoplasm
B) have ribosomes and mitochondria
C) have a true nucleus and may have a cell wall
D) lack a true nucleus but may have a cell wall
E) lack DNA but can synthesize proteins
What is the right answer?
Answer:
D
Explanation:
prokaryotes are things like bacterial cells , they have no true nucleus just a long ring of dna.
Eukaryotes are things like animal cells they have a nucleus (opposite of prokaryotes)
Which of the following is true about acid rain? a. It is more acidic that normal rain. b. It is less acidic than normal rain. c. All rain is acid rain. d. There is no such thing as acid rain. Please select the best answer from the choices provided A B C D
Answer:
A
Explanation:
Acid rain usually has a pH between 4.2 and 4.4, while normal rain has a pH of about 5.6.
2. Which of the following is true of the Golgi apparatus?
A) It is especially extensive in cells specialized for absorption.
B) It consists of flattened membranes dotted with ribosomes.
C) It is a membrane-bound vesicle with hydrolytic enzymes.
D) It is specialized for production of hydrogen peroxide.
E) It is involved in modifying and shipping proteins out of cells.
an
What is the correct answer?
The answer is E; after proteins are produced by the rough endoplasmic reticulum / ER, the proteins go to the Golgi Apparatus to be repackaged and modified before being sent out of cells!
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I have 5 mins left please help!!
#1 Which of these events happened earliest in the history of life on Earth?
A. eukaryotic cells with a nucleus
B. skeleton made of bone
C. multicellular organisms, like algae
D. opposable thumbs
#2 Which of these events happened earliest in the history of life on Earth?
A. dinosaurs
B. early animals
C. prokaryotic cells
D. eukaryotic cells
#3 Early life needed which of the following conditions to exist?
A. building block molecules
B. a source of energy
C. instructions
D. all of these were necessary
#4 It is thought that prokaryotes that were good at making ATP began to live inside other prokaryotes that were good at getting glucose. One provided glucose while the other shared its ATP. This formed early mitochondria, and natural selection favored these cells and they diversified to many forms. This idea is called the
A. cell theory
B. endosymbiont theory.
C. mitochondria theory.
D. eukaryotic theory.
Explanation:
4) option B endosymbiont theory
2) option C prokaryotic cells