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lozanna [386]
3 years ago
5

Which movement of substances through a cell membrane against a concentration gradient requires energy?

Biology
1 answer:
Alja [10]3 years ago
3 0

Answer:active transport as it's difinition state

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Which two elements are found in water
marishachu [46]

Answer:Aqua

Explanation:Aqua is water meaning it’s also found in water

5 0
3 years ago
What conclusion about the bacteria domain could be made from the phylogenetic tree below?
Elden [556K]

Answer: The correct answer is -

D. Eukarya has similar evolutionary traits to archaea.

A phylogenetic tree (also known as evolutionary tree) is a diagrammatic representation (in the form of branch diagram) showing the evolutionary relationships among various organisms. It is constructed on the basis of similarities or differences in the genetic or physical characteristics of various species.

In the given phylogenetic tree, archaea domain shows more similarities to the domain eukarya as it has descended after the domain bacteria.

Thus, option D) is the right answer.

5 0
3 years ago
The placement of prokaryotes into major clades within the domains Archaea and Bacteria has been based on __________.
Alja [10]

Answer:

Molecular evidence

Explanation:

Earlier archaea were considered as bacteria because they show some similarities with bacteria like binary fission as mode of reproduction, lack of a nucleus, etc.

Later Carl Woese separated bacteria in a different domain and divide prokaryote into two domains called bacteria and archaea. He separated archaea from bacteria on molecules evidence.

He compaired rRNA sequence between bacteria and archaea and observed that they both differ in rRNA sequence which allowed him to make a separate domain for archaea.

6 0
3 years ago
What is the difference between spring, neap, perigean, and apogean currents?
ArbitrLikvidat [17]
Spring currents are made when the moon is in the full or new phases, and are stronger currents. Neap currents are made when the moon is in first or third quarter phases, and are weaker currents
7 0
3 years ago
When the level of arterial carbon dioxide rises above normal: Select one: a. exhalation lasts longer than inhalation. b. the bra
monitta
<h2>Answer is (C)</h2>

Explanation:

  • The term Hypercapnia or Hypercarbia is given to the body's response to excessive carbon dioxide.
  • At the point when CO_2 levels become unnecessary, a condition known as Acidosis happens.
  • Respiration is the biochemical process where organism's cell obtain energy when glucose and oxygen combine, and that result in the production of carbon dioxide, water and ATP.

4 0
3 years ago
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