Complementary DNA sequence for ATT-CGA-CTA?
Awnser : TAA-GCT-GAT
Complementary sequence: Nucleic acid sequence of bases that can form a double- stranded structure by matching base pairs. For example, the complementary sequence to C-A-T-G (where each letter stands for one of the bases in DNA) is G-T-A-C.
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Biodiversity decreases the stability of an ecosystem and decreases the
health of the biosphere
true
or
False
Answer: false
because Biodiversity is the biological variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity.
I need help with this
Answer:
Eukaryote.
Explanation:
Eukaryotes can be unicellular or multicellular.
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can someone tell me what the function is pls i’ll give brainiest
Answer:
A lysosome is a membrane-bound cell organelle that contains digestive enzymes. They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria.
A vacuole is a membrane-bound cell organelle. In animal cells, vacuoles are generally small and help sequester waste products. In plant cells, vacuoles help maintain water balance. Sometimes a single vacuole can take up most of the interior space of the plant cell.
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate
Explanation:
Lysosome digest worn out cell and destroyed invading viruses and bacteria
Vacuole help to maintain water balance
Mitochondria is produced energy to cell in form of ATP
BRAINLEST + 15 POINTS EACH
The models below represent nuclear reactions. The atoms on the left of the equal sign are present before the reaction, and the atoms on the right of the equal sign are produced after the reaction. Model 1: Atom 1 + Atom 2 = Atom 3 + energy Model 2: Atom 4 = Atom 5 + Atom 6 + energy Which of these statements is most likely correct about the two models? Both models show reactions which produce energy in the sun. Both models show reactions which use up energy in the sun. Model 1 shows reactions in the nuclear power plants and Model 2 shows reactions in the sun. Model 1 shows reactions in the sun and Model 2 shows reactions in a nuclear power plant.
Answer:There are two kind of nuclear ractions: fusion and fission reactions.
Both release a huge amount of energy in different ways.
Fusion reactions are nuclear reations in which two smaller (lighter) atoms combine into a larger (heavier) atom, with the respective release of energy.
That is what model 1 shows:
Model 1: Atom 1 + Atom 2 = Atom 3 + energy
That is the process that happens and is responsible for the huge amount of heat produced in and released by the Sun.
In the Sun two atoms of hydrogen fuse into a larger atom of helium.
That is represented by the nuclear reaction:
Explanation:
How has genetic engineering been used by humans in the past?
Conduct research to learn more about your proposed solutions. Be sure to look up information about cost, safety, reliability, and social or cultural implications when applicable. What are the pros of each solution? What are the cons of each solution?
The proposed solution depends on the problem to be solved and it takes into account different sources of information.
What is a proposed solution?A proposed solution can be defined as a type of explanation to solve a given problem, which has pros and cons that must be considered prior to take it.
The different sources of information to reach a solution may include cost, reliability, safety, etc.In conclusion, the proposed solution depends on the problem to be solved and it takes into account different sources of information.
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Some kidney diseases cause a change in the permeability of glomerular capillaries making them more permeable to plasma proteins. This changes the colloid osmotic pressure, thus drawing water out of the blood and into tissues. The result is
Answer:
The correct answer is edema.
Explanation:
When the capillaries or the tiny blood vessels within the body leak fluid, the condition known as edema takes place. This fluid accumulates in the tissues surrounding it, resulting in inflammation. Edema generally takes place due to mild conditions like consuming more salt, staying or sitting in one position for a long duration, and others.
However, in some situations, edema can also be a sign of an extreme medical condition like kidney disease. During kidney disease, the sodium and additional fluid within the circulation may result in edema. The edema related to kidney disease generally takes place around the eyes and in the legs.
when a vegetable gets put in salt water and collapses why does this happen
Osmosis is defined as the movement of solvent (like water) from a region where the concentration of solute(like salt) is lower to a region where the concentration of solute is higher through a semipermeable membrane.
Salt water is a hypertonic solution as the concentration of salt ( solute) is higher. Therefore, in this case water from vegetable will move outside causing the cells to become fragile.
8. TRUE FALSE Stimuli may include sights, sounds, tastes, and smells. plz answer thanks
Answer:
True
Explanation:
Our senses include both exteroception (stimuli that occur outside of our body) and interoception (stimuli occurring inside of our bodies). Our primary senses are considered to be sight, hearing, taste, smell, and touch
Answer:
True!
Explanation:
Stimuli is a thing or event that evokes a specific functional reaction in an organ or tissue. Like for example, you see a snake! That is using your sight. And since you see that snake, you run away.
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Evan's playroom is 4 m by 3 m. The area of the room is:
o 7 m
07 m2
O 12 m
O 12 m2
Answer:
12 m^2
Explanation:
Area = length * width
A = 4m * 3m
A = 12 m^2
(Area is measured in square units)
Answer:
D. 12 m2
Explanation:
To do this problem, you need to find the area. To find the area of a rectangle, you multiply length x width. In this scenario:
4 x 3 = 12.
So, we know that the first two options are incorrect. Next, we have to look at the unit of measurement that we are needed to imply. In this case, we are using meters, which we need to square. Therefore, the answer is 12 m2.
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NEEEDDD HELPPPP ASAPPPPP!!!!NOO ROCKYY
Answer:
4.166
Explanation:
explain why a plant that does not get enough nitrate has weak growth
Answer:
Nitrate deficiency
Explanation:
Plants absorb nitrates in water through their roots. Nitrates are present in high levels in plant fertilisers. Without nitrates, the amount of chlorophyll in leaves reduces. This reduces the plant's ability to photosynthesise and grow properly, which reduces the farmers' crop yield .
Which statement correctly describes the difference between cellular respiration and photosynthesis?
A.
Photosynthesis involves chemiosmosis, and cellular respiration doesn’t involve chemiosmosis.
B.
Photosynthesis doesn’t produce any ATP, and cellular respiration produces ATP.
C.
Photosynthesis occurs during the day, and cellular respiration occurs at night.
D.
Photosynthesis creates energy that the plant stores, and cellular respiration utilizes the energy.
E.
Photosynthesis is an anabolic reaction, and cellular respiration is a catabolic reaction.
Answer:
D.
Photosynthesis creates energy that the plant stores, and cellular respiration utilizes the energy.
Explanation:
PLATO
;)
which of the following are represented by upper and lower case letters
A. proteins
B. chromosomes
C. genotypes
D. phenotypes
Answer: B. Chromosomes
Explanation:
What is the underground portion of the mushroom called?
mycellium
hyphae
stalk
spores
Answer:
mycellium
Explanation:
How do sea anemone catch prey?
stinging it with arms
using its foot
catching it with mouth
stinging it with tentacles
Answer:
Tentacles have specialised stinging cells called nematocysts. They use these to immobilise their prey so that the tentacles are then able to move the food into the mouth.
Explanation:
Dental caries are most effectively controlled by: a. fluoride treatment b. bacteriophage treatment c. all of the above d. none of the above
Answer:
Flouride treatment
Explanation:
Dental caries refer to a tooth decay that lead to permanent holes in the teeth. It is more controlled by flouride treatment because flouride is a powerful mineral Fluoride help to make teeth develop resistant acid attacks contain in sugars and also bacteria thereby preventing tooth decay and also reverses it.
The dust and gas that escapes from a comet creates a/an
OA. Meteor
OB. Asteroid
OC. Second comet
OD. Coma
Answer:
Coma
Explanation:
Such a cloud, termed a coma, is a distinguishing feature of comets and consists of gases and entrained dust escaping from the cometary nucleus when sunlight causes its ices to sublimate.
Which two characteristics describes the most stable ecosystem on Earth?
a. They are near the
b they are near the equator.
c. They have high biodiversity
d they have to speed. Plants
Answer:
c. They have high biodiversity
Explanation:
Answer:
C and B
Explanation:
You are touring several ecosystems, including an icy coastline in the Arctic, and a dry desert in the southwest United States. Do you predict that you will observe equal numbers of ectotherms and endotherms in all ecosystems? Explain your prediction.
Answer:
No.
Explanation:
No, we observe different number of ectotherms and endotherms in Arctic, and a dry desert ecosystems because there is difference in the temperature of both the environment. Due to difference in temperature of the external environment, the number of ectotherms and endotherms are present in that ecosystem. More number of ectoderms are present in the desert ecosystem where the ectoderms survive better than endotherms so we can say that number or population is different.
Why were the prokaryotes split into
two kingdoms?
A. Their size was much different from
each other
B. They were discovered to be very
different from each other
C. It makes it easier to sort out all of
the organisms
D. There were too many bacteria for
one kingdom
Prokaryotes were split into two kingdoms because they were discovered to be very different from each other.
The correct option is B.
What are prokaryptes?Any organism that lacks internal membranes, which prevents the formation of a distinct nucleus and other organelles, is referred to as a prokaryote (also written procaryote). The most well-known prokaryotic species are bacteria. Prokaryotes are different from eukaryotes because they don't have internal walls.
Separate prokaryotic kingdoms with purportedly distinct evolutionary histories are called bacteria or eubacteria and archaebacteria or archaea.
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The graph below shows changes in the populations of two species that interact only with each other over a period of time.
Which statement best describes these two species?
Species A is a producer and species B is its consumer.
Species A is a host and species B is its parasite.
Species A is a predator and species B is its prey.
Species A is a scavenger and species B is its decomposer.
The statement that best describes the two species depicted in the graph is option C) Species A is a predator and species B is its prey.
Option A indicates that species A is a producer and species B is its consumer. This means that species B requires the output from species A to survive. Knowing this, we would expect to show that species B increases in population as the population of A increases, due to increased food supply, the graph shows the opposite scenario. Thus, option A is false.
Option B states that perhaps Species A is a host and species B is its parasite. This provides the same conditions and dependencies as option a, so for the same reasons that a is false, we can conclude that option B is false as well.
The final incorrect option is D, Species A is a scavenger and species B is its decomposer. This would mean that as the population of species B dies off, it increases the food supply of Species A which feeds on the decomposing members of species B. We would expect in this case, that species A would flourish as B dies off, however, we see that as species B dies, species A follows shortly after. This tells us that option D is incorrect.
The correct option is C, Species A is a predator and species B is its prey. This would mean that species A consumes the members of species B to survive. Therefore we would expect to see
Species B thrive as the population of A remains lowFollowed by the steep decline of species B's population as more predators begin to appear. Once the population of species B reaches a critical point, species A will not have enough food supply to sustain its population, and both populations would decline.
This is exactly what the graph depicts, so option C is correct.
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I. Contamination of groundwater
II. Increased seismic activity
III. Decreased methane emissions into the environment
Hydraulic fracking is using pressurized water to open fissures and fractures in the deep rock formations in
order to release natural gas and petroleum deposits. Which of these is a negative ecological consequence
of hydraulic fracturing (fracking)?
A) I only
III only
B) Il only
D) I and Il only
Answer: l and ll only
Explanation: i took the test
8. In highly populated regions, large amounts of runoff, caused by
development, can run into nearby streams. This runoff can be warmer
than the existing water in the stream. This warm runoff will most
likely
A. kill some species of fish as they cannot handle the
higher temperature of water.
B. cause the stream to become cleaner by killing
bacteria with the heated water.
C. decrease the amount of nitrogen for plants in the
soil under the water.
D. increase the amount of oxygen available to
organisms in the water.
Answer:
quit just drop out
Explanation:
Which component of food is normally absorbed in the large intestine as well as the small intestine? A) Water B) Carbohydrates C) Fats D) Proteins
Answer:
A water an organic compound
An chicken with black feathers is crossed with a chicken with all white feathers, the chickens are born with both black and white feathers. What type of dominance is shown?
A. Complete dominance
B. Incomplete dominance
C. Co-dominance
D. Mixed dominance
E. None of the above
Answer:
C. Co-dominance
Explanation:
because both phenotypes are expressed fully
which of the following best describes how the population evolved ?
Answer:
The population has evolved because there was a change in allele frequencies.
Explanation:
6) What must be taken from
14 1 to leave 8 2?
12
3
A.
6 5
12
C. 6
B. 5 ]
12
D. 55
1
If 1 Canadian dollar is
equivalent to J$69.00,
which would give the
equivalent of J$9 500.00?
9 500 x 69
Answer:
Did you know: There are over 1,400 species of bats worldwide. Bats can be found on nearly every part of the planet except in extreme deserts and polar regions. The difference in size and shape are equally impressive. Bats range in size from the Kitti’s hog-nosed bat (also called the Bumblebee Bat) that weighs less than a penny -- making it the world’s smallest mammal -- to the flying foxes, which can have a wingspan of up to 6 feet. The U.S. and Canada are home to about 45 species of bats and additional species are found in the U.S. territories in the Pacific and Caribbean.
Explanation:
I couldn’t find it on here so here’s the answer-The Soviet Union launched the first human spaceflight on April 12, 1961, carrying cosmonaut _____.
It’s Yuri Gagarin
Answer:
that's great man
Explanation:
thanks alot for this, it really helps out
Answer:
Thank you!
Explanation:
It is Yuri Gagarin, I just took the test too and got it right.