Answer:
The idea of using recycle tires at playgrounds is a concern for some scientists because they contain carcinogenic substances.
Explanation:
Recycle tires are in playgrounds as rubber mulch. This one is on the playground's floor to cushion the impact of any falls that kids may have while playing. The problem with this product is that, as they are old tires cut into little pieces, they still have the tires' toxins such as arsenic, benzene, cadmium, mercury, etc. Exposure to these toxins can cause cancer. This is why some scientists are concerned with this material in areas where kids are exposed to it since they are more vulnerable to carcinogens than adults.
Which of the following describes the mRNA molecule produced from transcription?
The mRNA molecule is made using the coding strand of DNA, which depends on the gene being
transcribed.
O The mRNA molecule is made using the coding strand of DNA and is transcribed in the parallel
direction
The mRNA molecule is complementary to its DNA template, which depends on the gene being
transcribed.
O The mRNA molecule is identical to its DNA template, which depends on the gene being transcribed.
Answer:
The mRNA molecule is complementary to its DNA template, which depends on the gene being transcribed.
Explanation:
The process of the formation of RNA from DNA is called transcription.
Messenger RNA (mRNA) is a single-stranded RNA molecule that is complementary to its DNA template as the enzyme, RNA polymerase matches the complementary bases to the original DNA strand and then initiates the process of RNA synthesis. Once the strand gets completed, the process got terminated.
Hence, the correct answer is "The mRNA molecule is complementary to its DNA template, which depends on the gene being transcribed."
How and why does a DNA molecule replicate itself?
Answer:
DNA makes a copy of itself during cell division. The separation of the two single strands of DNA creates a 'Y' shape called a replication 'fork'. The two separated strands act as templates for making the new strands of DNA.
Explanation:
lest 5 Adaptation to oxygen up take for mounting climbers
using what have you learnt about the effect of concentration gradient and surface area to volume ratio, explain the adaptations of a leaf for photosynthesis
Answer:
Leaves have an increased surface area in order to increase light-harvesting and they are thin in order to increase the diffusion rate
Explanation:
Leaves have several adaptations to increase the photosynthesis rate. In the first place, leaves have a large surface area to increase light-harvesting and thus also increase photosynthetic energy conversion. Moreover, leaves are sufficiently thin to increase the gas exchange surface area, i.e., the entry of carbon dioxide (CO2) and the exit of oxygen from photosynthesis, which move by diffusion through stomata.
Which property of matter is useful for holding papers and photos on refrigerator doors?
Answer:
Magnetism
Explanation:
The refrigerator doors are made of metal, and we use magnets to hold papers and photos on their surfaces. Magnets attract metals such as iron, cobalt, nickel, etc. That is due to the physical property of matter called magnetism, which is related to the attraction force generated by a magnetic field.
The diagram shows the life cycle of a fern. HELP ASAP!!!!
What does stage 2 show?
A) A mature spore-producing fern plant has fonds and produces spores.
B) A spore grows into a mature gamete-producing plant.
C) A zygote forms when a sperm fertilizes an egg cell
D) A gamete-producing fern plant is flat and shaped like a heart.
Answer:
the answer is b
Explanation:
if you need the explanation it is because the plant with the brown dots beside it is the plant producing the spores and the plant next to it is one of said spore growing into a gamete producing plant i honestly hope this helps
What is the function of nitrogen fixing bacteria
Answer:
microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen (inorganic compounds usable by plants). More than 90 percent of all nitrogen fixation is effected by these organisms, which thus play an important role in the nitrogen cycle.
other than color differences, is there any difference between the brown or white bunnies in the simulation?
Give an example of a sports performer that would require a high level of CV endurance.
Answer:
Cardiovascular endurance is the ability to exercise without becoming overly tired because your heart, lungs and blood vessels are healthy. Exercise examples include walking, jogging, cycling, dancing, running and bike riding. Distance swimming is also a good cardiovascular endurance exercise.
what were the early plants called?
Explanation:
The oldest fossil evidence of seed plants is of Late Devonian age, and they appear to have evolved out of an earlier group known as the progymnosperms. These early seed plants ranged from trees to small, rambling shrubs; like most early progymnosperms, they were woody plants with fern-like foliage.
Fruit color in a particular plant is controlled by a set of three quantitative traits that work in an equal and additive manner. Each trait has two alleles (i.e., A and a); each allele represented by a capital letter produces one dose of yellow pigment, while alleles represented with lower case letters do not produce any pigment at all. How many different shades of yellow fruit color are there
Answer:
7
Explanation:
The number of distinct shades of fruit color would be 7. It is given that the color is dominated by a group of three QTL(quantitative traits) with each trait having two alleles(A,a). Out of these two alleles, one represented by a capital letter(A) generates a single dose of yellow pigment while the latter represented by a smaller case letter(a) does not generate any pigment. Since there is no environmental effect, the number of various yellow shades would be 7 through the combinations of yellow and colorless pigments(A/a, A/a, A/a, A).
PLEASE HELP!!!! 100 POINTS TO BRAINLIEST!!!!!
During which of the following processes would carbon most likely be required?
A. Breaking of rocks
B. Generation of electricity
C. Making of glucose
D. Running of cars
I think its C but when I looked the question up to check my answer, someone said they put C and got it wrong. I know we take fossil fuels out of the ground and burn them to create electricity or to make our cars run. and that burning fossil fuels releases carbon dioxide back into the air. And I know that carbon dioxide, water, and light make glucose.
Answer:
D
Explanation:
Answers D
Answer:
Glucose
Explanation:
During photosynthesis, plants take in carbon from the atmosphere so that they can create glucose. During cellular respiration, living things give off carbon as a waste product. This gives the carbon back into the air.
Look at the list.
• Support the leaves, flowers, and fruits of plants
• Move water from the roots to the leaves
• Move food from the leaves to the stem and roots
What would be the correct title for this list?
How Roots Help Plants
How Food Moves Through Plants
How Water and Minerals Move Through Plants
How Stem Help Plants
Answer:
How stem help plants
Explanation:
Is this really college level, by the way?
why are there alot of plants in the coral reef but you don't see any during the scene where Dory and Marlin go in the dark to find the mask in Finding Nemo
Answer:
because they were in the deep ocean where theres no plants
time = distance/speed
Distance
Average
x Time
speed
a) A horse runs at an average speed of 15km/hour for 30km. How
long does this take the horse?
b) A fish swims 30 metres, swimming at an average speed of 6m/s.
How long did this take?
Answer:
a) Time = Distance/speed
Time = 30km/15km per hour
Time = 2 hour
b) Time = Distance/speed
Time = 30m/6m per sec
Time = 5 sec
1. The diagram below represents part of Earth's latitude-longitude system. 2 points
What is the latitude and longitude of point L?*
45°
30°
15° 0°
15° 30° 45°
30°
N
20°
10°
0°
LI
10°
20°
30°
O (A) 5º E 30°N
(B) 5° N 30°E
(C) 5° W 30° S
O (D) 5° S 30°W
Answer:
I am not sure but the answer must be C
Today, which of the following are considered to be the most deadly weather-related disasters?
A)
heat waves
B)
hurricanes
C)
tornadoes
D)
snow storms
what is the name of earths internist layer
I think it's "Inner Core"
Answer:
the inner core
Explanation:
the earth is divided into 3layers
Is cloning and genetic engineering ethical?
Answer:
yes.....................
Answer:
It lies on your perspective
Explanation:
If you clone a human because that is the perfect human, or you genetic engineer a human to make the perfect human, society will benefit, but will the clone/engineered human benefit? As I already said, it is all about perspective.
the blank begins when the male butterfly detects a female butterfly releasing pheromones at close range A. Asexually B. Sexually C. Reproduce D. Mating
Answer:
D) mating
Explanation:
this is the only word that makes sense when filling in the blank
5. The fossilized jawbones in the diagram below show the changes in organisms over time.
Answer:
B. These fossils provide evidence that evolution occurs over long periods of time
Explanation: The diagrams show different jawbones millions of years apart meaning that evolution took very long periods of time, I hope I'm correct
Answer:
the answer is B
Explanation:
i did the test on preformance
A: None of the potential offspring would be male, because the potentially male zygote would have two X chromosomes, and the Y chromosome would be ignored.
B: The male offspring would all be red-green color-blind, because of interference from alleles on the Y chromosome.
C: The male offspring would have full-color vision, because of the presence of the extra X chromosome
D: There would be no change to the phenotypes of the possible offspring, because the extra X chromosome would not be active.
Answer: C the male offspring would all be red-green color-blind, because of interference from alleles on the Y chromosomes
Explanation: College board got it correct
The male offspring would all be red-green colour-blind, because of interference from alleles on the Y chromosome. Hence, option B is correct.
What is colour blindness?a diminished capacity to tell some colors apart. Frequently, the condition is hereditary. Medications and specific eye conditions are additional factors. Men are affected more than women.
Inherited color blindness is not treatable. Treating the underlying issue may be helpful if another condition is the cause of color blindness.
The X chromosome is where the genes that might cause red-green color blindness is handed down. Men are more likely than women to have red-green color blindness since it is X-chromosome-inherited. This is due to the fact that males inherit just one X chromosome from their mothers. Hence, option B is correct.
Learn more about color blindness, here:
https://brainly.com/question/30037088
#SPJ2
13. which of the following traits of land plants protects the leaves and stems from drying out
Answer:
The roots absorb water when it rains and they hold it in.
A)x-linked
B)No answer text provided
C)recessive
D)dominant
Answer:
D)dominant
Explanation:
HELPP IMA GIVE 15 POINTS
How can we test for density?
Answer:
Using a vernier caliper or ruler, measure the length, depth and width of the object in centimeters. Multiply these three measurements to find the volume in cubic centimeters. Divide the object's mass by its volume to determine its density. Density is expressed in grams per cubic centimeter or grams per milliliter.
Explanation:
I hope this helps! :)
why are new pennies made with less copper than old pennies
Answer:
because it is cheaper to afford
Explanation:
Which blood type can give to all the other blood types?
Answer:
Type O
Explanation:
Type O can donate red blood cells to anybody. It's the universal donor. Group AB can donate to other AB's but can receive from all others.
How does the haemoglobin provide the body with energy ?
Answer:
Hemoglobin transfers oxygen from the lung to the muscles, brain, and other organs, and also helps the body to convert carbohydrates and fat into energy.
hemoglobin helps the body convert carbohydrates and fat into energy
The period directly following the action potential is known as?
Essay.5 points
Explain the importance of microscope n field of medicine.
Answer:
Doctors use microscopes to spot abnormal cells and to identify the different types of cells. This helps in identifying and treating diseases such as sickle cell caused by abnormal cells that have a sickle like shape.
