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3 years ago

what are the two factors that create the difference between the temperate forest biome in the taiga biome

1 answer:

8 0

The temperate forest biome covers latitudes ranging approximately from the southern United States to southern Canada, while the taiga biome, also known as boreal forest, extends from the latitude of southern Canada to about 60 degrees north latitude. (see References 1, References 3) Thus, these two biomes are adjacent, which explains the many similarities between taiga and northern temperate forests. Both biomes have four distinct seasons, but the temperate forest climates cover a much wider range of temperatures and precipitation patterns. Taiga, in contrast, is reliably cold: most of the precipitation falls as snow, winters are severe and the growing season is short -- about 130 days compared to 140 to 200 days for temperate forests.

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The sequences at the ends of linear chromosomes are called _______________. A protein that uses ATP hydrolysis to separate the t

Nutka1998 [239]

Answer: Telomeres, Helicases, Okazaki, DNA polymerase, Topoisomerase

Explanation:

1. Telomeres these are set of repetitive nucleotide sequence found at the end of a linear chromosomes they help preventing the DNA chromosome frrom sticking to other DNA chromosomes.

2. Helicases are proteins that uses energy (ATP) to unwind DNA strands during replication.

3. Okazaki fragments the small DNA nucleotide sequence synthesized separately on the lagging strand.

4. DNA polymerase are enzymes that catalyzes the addition of deoxyribonucleotides to DNA during replication.

5. Topoisomerase are enzymes that prevent single stranded DNA from supercoil, rumple and winding back during replication.

8 0

3 years ago

Which example best represents the adhesion, cohesion, and surface tension of water?

Airida [17]

The best example that represents the adhesion, cohesion, and surface tension of water is that water droplets forming a bead-like shape over a glass table. Cohesion: Water is pulled in to water. Adhesion: Water is pulled in to different substances. Adhesion and cohesion are water properties that influence each water particle on earth and furthermore the connection of water atoms with particles of different substances

7 0

3 years ago

Read 2 more answers

❥SCIENCE SUBJECT

Fiesta28 [93]

9514 1404 393

Answer:

time: 1.122 seconds
range: 10.693 m
maximum height: 1.543 m

Explanation:

Given:

runner is launched at 30° angle to horizontal at 11 m/s

acceleration due to gravity is g = -9.8 m/s²

Find:

runner's hang time

runner's distance to the landing point

runner's maximum height

Solution:

The (horizontal, vertical) speed components will be ...

(11 m/s)(cos(30°), sin(30°)) = (5.5√3 m/s, 5.5 m/s)

The time of flight can be found from the height formula:

h(t) = 1/2gt² +vt . . . . . . where v is the vertical speed at launch

The time we're concerned with is the time when h(t)=0 and t>0.

0 = -4.9t^2 +5.5√3t = t(-4.9t +5.5√3)

The second factor is zero when ...

t = (5.5√3)/4.9 ≈ 1.122 . . . seconds hang time

The distance to the landing point will be the product of horizontal speed and hang time:

d = (5.5 m/s)(5.5√3/4.9 s) ≈ 10.693 m . . . . distance to landing

The maximum height can be found from the formula (based on conversion of kinetic energy to potential energy) ...

h = v²/|2g| = (5.5 m/s)²/(2(9.8 m/s²)) ≈ 1.543 m . . . . maximum height

4 0

3 years ago

In which case is potential energy increasing?

stiks02 [169]

Answer:

a weightlifter lifts a 20 kilogram barbell above his head

4 0

3 years ago

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Which event marks the beginning of DNA replication?

Vinil7 [7]

B is the correct answer. The beginning of DNA replication occurs with the unwinding of the DNA helix by a special enzyme. The two strands that form the helix then create a replication fork. The two strands are then oriented differently, one becoming the 'leading strand' and one the 'lagging strand'.

4 0

3 years ago