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Ugo [173]
3 years ago
6

Which of the following functions does active transport perform in a cell

Biology
1 answer:
nadya68 [22]3 years ago
5 0

Answer:functions

Primary active transport moves ions across a membrane and creates a difference in charge across that membrane. The primary active transport system uses ATP to move a substance, such as an ion, into the cell, and often at the same time, a second substance is moved out of the cell.

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_____ is the closest relative to modern humans.<br> Cro-Magnon<br> Homo erectus<br> Neanderthals
denis-greek [22]
Neanderthals is the closest relative to modern human. According to the study of evolution of man, neanderthals are the one with the closes facial structure and body structures to human.
Their higher classification is already considered as human.
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4 years ago
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Which process begins when an enzyme binds to a sequence of base pairs in dna?
STALIN [3.7K]
<span>enzyme that binds with the promoter on DNA and then moves along the DNA strand opening up the DNA helix in front of it and then aligning the appropriate RNA nucleotides and linking them together
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5 0
3 years ago
Is this statement true or false? The size of the ocean is one of the causes of the daily tidal cycle.
Arturiano [62]

Answer:

False

Explanation:

Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun, and the rotation of the Earth.

High tides and low tides are caused by the moon. The moon's gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the moon and the side farthest from the moon. These bulges of water are high tides.

As the Earth rotates, your region of Earth passes through both of these bulges each day. When you're in one of the bulges, you experience a high tide. When you're not in one of the bulges, you experience a low tide. This cycle of two high tides and two low tides occurs most days on most of the coastlines of the world.

Tides vary on timescales ranging from hours to years due to a number of factors, which determine the lunitidal interval. To make accurate records, tide gauges at fixed stations measure water level over time. Gauges ignore variations caused by waves with periods shorter than minutes. These data are compared to the reference (or datum) level usually called mean sea level.

Tides are really all about gravity, and when we're talking about the daily tides, it's the moon's gravity that's causing them. As Earth rotates, the moon's gravity pulls on different parts of our planet. Even though the moon only has about 1/100th the mass of Earth, since it's so close to us, it has enough gravity to move things around.

When the moon's gravity pulls on the water in the oceans, however, someone's bound to notice. Water has a much easier time moving around, and the water wants to bulge in the direction of the moon. This is called the tidal force. Because of the tidal force, the water on the side of the moon always wants to bulge out toward the moon. This bulge is what we call a high tide. As your part of the Earth rotates into this bulge of water, you might experience a high tide.

8 0
4 years ago
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What types of weather events are not yet clearly linked to climate change?
wel

Droughts that are more frequent and severe, storms, heat waves, rising sea levels, melting glaciers, and warming oceans can all hurt animals, ruin their habitats, and disrupt people's livelihoods and societies.

<h3>What is climate change?</h3>

Long-term increases in the earth's average surface temperature, as well as large-scale changes in global, regional, and local weather patterns, are caused by a considerable increase in the levels of greenhouse gases created by the burning of fossil fuels.

Dangerous weather events are growing more common and severe as climate change progresses.

Glacier melting occurs as a result of heat changes, particularly at relatively high temperatures. This is a process in which ice transforms from solid to liquid or water. Scientists have recently detected an alarming rate of glacier melting.

Unusually hot days and multi-day heat waves are a natural component of the weather's day-to-day fluctuations. Hotter-than-usual days and nights are becoming more prevalent as the Earth's temperature warms (see the High and Low Temperatures indicator), and heat waves are anticipated to grow more often and intense.

For more information regarding climate change, visit:

brainly.com/question/24793273

#SPJ1

8 0
2 years ago
There are 100 students in a class. Ninety-six did well in the course whereas four blew it totally and received a grade of F. Sor
Alex73 [517]

Answer:

A. 0.2

B. 0.8

C. 0.32 = Aa

Explanation:

7 0
4 years ago
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