Answer:
A strand of RNA is made
The DNA unzips
the RNA leaves the nucleus
a protein is produced
the RNA removes to the Ribsome
Explanation:
Answer:
The DNA unzips
A strand of RNA is made
RNA leaves the nucleus
The RNA moves to the ribosome
A protein is produced
Explanation:
Got it right on edge 2022
Which diagram below shows a correct base pair strand of DNA?
Answer:
two antiparallel sugar-phosphate strands/backbones with linkages between ... Image: The diagram below represents a DNA nucleotide. Identify ...
Explanation:
the base pairs of dna are
thymine and adenine
guanine and cytosina
Students observed several prepared slides of a process that occurs in a dividing onion cell. They observed haploid cells in one slide, centromeres that did not separate during anaphase in another slide, and two different cell divisions resulting in four daughter cells in other slides. Which statement is NOT true about the process that was observed?
Answer: B
Explanation:
Answer:
B
Explanation:
If the diploid number is 50, what is the haploid number?
Answer:
25
Explanation:
Haploid refers to any cell that has 23 chromosomes (half of the total 46). Diploid refers to any cell that has all 46 chromosomes. Zygote is the result of two gamete (haploid) cells fusing, and becoming a diploid cell.
you can memorize them by H if for half the number and D is for double
Answer:
25
Explanation:
Haploid refers to any cell that has 23 chromosomes (half of the total 46). Diploid refers to any cell that has all 46 chromosomes. Zygote is the result of two gamete (haploid) cells fusing, and becoming a diploid cell.
you can memorize them by H if for half the number and D is for double
What is the role of shell-building marine creatures in regulating climate?
A.
their shells form the hydrocarbon fuels that release greenhouse gases when burned
B.
they utilize the carbon dioxide released while respiring to build their shells
they help to remove carbon dioxide through calcification
D.
they help to remove carbon dioxide through photosynthesis
Answer:
they help to remove carbon dioxide through calcification
Explanation:
The correct answer would be that they help to remove carbon dioxide through calcification
Shell-building marine creatures play important roles in regulating climate because they help to remove carbon dioxide from the environment through the process of calcification.
Carbon dioxide is a major driver of climate change because the gas is among the greenhouse gases that absorb radiation from the sun thereby causing the warming of the planet. The more the carbon dioxide in the atmosphere, the more the amount of heat trapped and the more the increase in the global temperature. An increase in the global temperature causes the general climatic factors to become erratic.
Hence, the removal of carbon dioxide through the process of calcification is important for regulating climate change.
Answer:
c.they help to remove carbon dioxide through calcification
Explanation:
4. What role do the muscles and blood vessels play in the negative feedback loop of thermoregulation?
A) integration centers B)sensors
C)stimuli
D)effectors
Answer:
D)effectors
Explanation:
Skeletal muscles constitute an additional effector in this feedback loop because they quickly contract in response to a drop in body temperature, hence option D is correct.
What is a negative feedback loop of thermoregulation?Blood flow is decreased, and the environment loses less heat as a result because blood vessels close to the skin constrict. Shivering helps the body produce heat, which raises body temperature.
The body starts to sweat when the hypothalamus senses that it is too hot, trying to bring the body's temperature back down to normal. Sweating will cease after the body temperature has returned to normal.
Therefore, the muscles and blood vessels play as effectors in the negative feedback loop of thermoregulation, hence option D is correct.
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6. The mother is now pregnant for a third time, and her doctor tells her she is carrying fraternal twins. What is the
probability that both children will have normal pigmentation?
A. 3/4
B. 1/4
C. 1/16 D. 9/16 E. 16/16
Answer:
3/4
Explanation:
mother is pregnant for a third time
Explain how paleoclimatologists (scientists that study climate change) use fossils and other records to study climate change.
Answer:
paleoclimatologists use different sources of information from fossils in order to record past climate and environmental conditions (for example, tree rings or skeletons of coral reefs)
Explanation:
Paleoclimatology is the discipline that studies ancient climate and environmental conditions. Paleoclimatologists are researchers that analyze different sources of evidence to obtain accurate records of past climate conditions. In this regard, the fossil record has proven to be a useful tool to obtain such information. For example, the rings of fossilized trees are usually wider during warm and wet years, while these rings become thinner during cold and dry years. Moreover, geochemical records from the skeletons of fossil corals (composed of calcium carbonate) are good indicators of past climate conditions because coral growth is sensitive to small fluctuations in water temperature. Paleoclimatologists also use non-biological climate indicators (e.g., sediments and ice sheets) to reconstruct past climate and environmental conditions.
which of these are a producer
A. cactus
B. snake
C. goose
D. mouse
Answer:
cactus maybe I think hope it helps
Answer:
I believe it’s the cactus.
Explanation:
Because it makes it’s own food
I hope this helps you! :)
Why is the controlled timing of gene expression crucial to an organism?
It allows for differentiation.
o It allows for specialization.
O It allows for development.
all of the above
The controlled timing of gene expression is crucial to an organism because it allows for differentiation, specialization, and development. Thus, the correct option is D, i.e. all of the above.
What is Gene expression?Gene expression may be defined as a process through which a cell utilizes several functional gene products to synthesize RNA and then functional proteins.
Gene expression mediates the process of differentiation and specialization of all functional proteins that are synthesized at particular target sites.
The completion of gene expression also allows the cell to divide functionally and provokes the growth of cells to facilitate development.
Therefore, the correct option for this question is D.
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PLSSSS HELP NEED THIS ANSWEED ASAP
Probiotics. They come in the form of culture concentrates in certain foods, dietary supplements and fermented dairy products, like yogurt or cheese. Probiotics are used to ferment the milk used to produce yogurt, cheeses and kefir. They are the live, active cultures in this yogurt. Probiotics are often called good or helpful __________ because they help keep your gut healthy.
Answer:
I think the answer is bacteria
What types of cells does it take place in cellular respiration?
Answer:
Every cell
Explanation:
Match the following DNA strand to its complementary strand of RNA
TTA - CAA - ACC - ATA
Question options:
AAU - GUU - UGG - UAU
AAT - GTT - TGG - TAT
AAU - CTT - TGG - TAT
ATG - CCG - AAT - TCG
Answer:
AAU - GUU - UGG - UAU
Explanation:
Thymine is present in RNA strands as the base Uracil, making there an inability to have Thymine in an RNA strand.
Hope this helped :)
Answer:
The first option: AAU - GUU - UGG - UAU
Explanation:
RNA has the nitrogenous bases adenine (A), uracil (U), guanine (G), and cytosine (C). A pairs with U while G pairs with C. The thymine (T) from the DNA must be complemented by the adenine (A) from the RNA, too.
Knowing this, the complementary strand of RNA would be the first option. Another way of finding the answer would be noticing that all the other options have thymine (T), which is a nitrogenous base RNA does not have.
Which of the following best describes a monomer?
Answer:
DINO
Explanation:
DINO+NUGGIES=DINUGGIES
Which statement best describes the interdependence of photosynthesis and cellular respiration?
A. The reactants of photosynthesis are sugar and oxygen to be used in cellular respiration B. The products of photosynthesis are carbon dioxide and water to be used in cellular respiration
C. The reactants of photosynthesis are the products of cellular respiration
D. The products are the same as the products of cellular respiration
Answer:
C.
Explanation:
Photosynthesis: reactants are CO2 and H20
products are O2 and Sugar
Cellular respiration: reactants are O2 and Sugar
products are C02 and H20
so they are swapped
The statement best describes the interdependence of photosynthesis and cellular respiration is the reactants of photosynthesis are the products of cellular respiration. Hence option C is correct.
What is cellular respiration?Cellular respiration is defined as the process through which organisms mix food molecules with oxygen, directing the chemical energy in these molecules toward life-sustaining processes while eliminating carbon dioxide and water as waste products. A metabolic process called cellular respiration converts glucose to ATP.
The reactant of photosynthesis is CO₂ and H₂O and the product is O₂ and sugar. While the reactant of cellular respiration is O₂ and sugar and product is CO₂ and H₂O. The reaction of cellular respiration is just reverse of the reaction of photosynthesis.
Thus, the statement best describes the interdependence of photosynthesis and cellular respiration is the reactants of photosynthesis are the products of cellular respiration. Hence option C is correct.
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In 1912, Alfred Wegener hypothesized that all the continents were once joined together in one giant landmass. This is known as the hypothesis of continental drift. Which of the following contained clues that led Wegener to his hypothesis?
Group of answer choices
a. land features, fossils, and climate
b. mid-ocean ridges, fossils, and climate
c. land features, fossils, and sea-floor spreading
d. mid-ocean ridges, fossils, and weather
Answer: c. Land features, fossils and sea floor spreading.
Explanation: First, climate and weather were not associated with Wege er’s reasoning.
Land features: an important clue for Wegener was in the current shapes of South America and Africa. Looking at them on a map, one can see their adjacent coastlines are almost a perfect fit.
Fossils: He noted that, for example, the same fossils appeared in Scotland and the east coast of North America
Sea-floor spreading: the discovery of seafloor spreading under the Atlantic Ocean gave Wegener a clue as to how continents could move apart.
Which of the following is TRUE of both plant AND animal cells?
They contain a nucleus
They contain chloroplasts*
They have a cell wall
Answer:
Plant and animal cells both have a nucleus.
Explanation:
I need help fast, please and thank you.
Amy hikes down into the Grand Canyon to see Havasu Falls, a waterfall famous for its blue-green water and rock formations.
How does water shape Earth’s surface? What is the main way the hydrosphere interacts with the geosphere at Havasu Falls? Explain how this process forms waterfalls.
Basically when water goes over the earth it corrodes it and in that way shapes the earth's surface. The hydrosphere corrodes the gyoshere at Havasu Falls.
The hydrosphere is interacts with the geosphere at Havasu falls via Erosion. The erode of waterfalls softer surface of the rocks that leads to shaping the Earth's surface.
What is Geosphere?
The geosphere is the layer of Earth which consists of solid rock and other rocky materials. In contrast it could be said that the geosphere is a part of the physical, solid Earth which excludes hydrosphere (i.e. oceans, lakes, and rivers) or the atmosphere (the layer of gases that separates the ground from space).
The term geosphere is basically the the crust portion of earth, as the crust elucidates the outer layer of earth's rigid portion.
The geosphere is basically all about processes, the rock cycle processes consisting of metamorphism, melting and solidification, weathering, erosion, deposition, and burial, these constant process are responsible for the recycling of rocks on Earth between sedimentary, igneous, and metamorphic states.
Thus, the hydrosphere is interacts with the geosphere at Havasu falls via Erosion. The erode of waterfalls softer surface of the rocks that leads to shaping the Earth's surface.
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Lionfish, a poisonous invasive species from the Pacific Ocean, was introduced into the coral reefs off Florida. The lionfish has no natural predators in the Florida coral reefs. Which of the following is likely the effect that the lonfish will have as the bodo
the Florida coral reefs? (SC_912 L 17.5)
A The lionfish will cause the biodiversity to decrease because it will eat the native species of fish.
The lionfish will cause the biodiversity to increase because it will out-compete other species for food.
The lionfish will cause the biodiversity to decrease because it will change the oxygen levels in the water.
The lionfish will cause the biodiversity to increase because it will be a food source for the native species.
The lionfish will cause the biodiversity of the ecosystem that its in to decrease extremely because it will eat all of the other species, causing the ecosystem to crash and giving birth to atleast a hundred babies within a few weeks to a few months.
I will give 10 points!
Answer:
B. Corn syrup is a hypertonic solution and distilled water is a hypotonic solution.
Explanation:
a.
8. The stages of a plant’s life cycle are
sporophyte and spore.
b. sporophyte and gametophyte.
spore and gametophyte.
egg and gametophyte.
c.
d.
Answer:
syporophyte and gametophyte stages
Explanation:
because the haploid gametophyte produces male and female gametes by mitosis in distinct multicellular structures
label the nucleotide
Answer:
Circle - Phosphate group
Rectangle - Nitrogen base
Middle - Pentose sugar
Explanation:
write a conclusion that answers the conclusions, "How is the heart
used to maintain homeostasis during exercise?"
Answer:The cardiovascular system helps to maintain homeostasis with respect to body temperature. An increased heart rate increases the delivery of blood to skin.
A goox conductor of heat is
A. A thermos jug
B. An iron fry pan
C. Home insulation
D. A pot holder
E. Layers of air
Answer:
The answer is B
Explanation:
A b c or d pls help !!?
Answer:
A
Explanation:
difference between mrna and dna
How much of earth's atmosphere is oxygen
why do different countries use different poverty lines ?
Answer:
hope it helps
Explanation:
Different countries have different poverty lines because the cost of living varies form country to country.In some countries the income required to live a decent life(above poverty line)is lower than the income required to live a decent life in another country.
Explain what a byproduct is and give an example of one not discussed in the unit.
Answer:
A byproduct is usually derived from a production process, manufacturing process, or a chemical reaction. Some common examples of byproducts include bran which is a by product from milling wheat into flour even plastic bags from oil refineries used to be byproducts until they started to be used for shopping purposes. I hope this helped.
Explanation:
Describe a semipermeable membrane.
Answer:
A semipermeable membrane is a barrier that will only allow some molecules to pass through while blocking the passage of other molecules. A semipermeable barrier essentially acts as a filter. Different types of semipermeable membranes can block out different sized molecules. A semipermeable membrane can be made out of biological or synthetic material.
Explanation:
Answer:
A semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by osmosis—or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport.
please helppppflfkgnf
Answer:
D
Explanation:
