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DerKrebs [107]
4 years ago
11

What is continental drift​

Biology
2 answers:
Tema [17]4 years ago
4 0
The gradual movement of the continents across the Earth’s surface throughout geological time.
Eddi Din [679]4 years ago
3 0

The contiental drift was a theory that scientist Alfred Wegner came up with. He said that the continents looked like a puzzle and when you combine them together, it was a super-continent, Alfred named this super-continent Pangea. He thought that the continents drifted apart from each other and formed the world of what we know today.    

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This cladogram compares the protein sequence of Cytochrome C. The percent numbers indicate matches in sequence.
jok3333 [9.3K]

Cytochrome C is a homologous protein and developed from a common ancestor is the correct interpretation of the graphic.

<h3>What is a Cladogram?</h3>

This is a diagram which describes the relationships between different groups of taxa which are referred to as clades.

Since all the organism have some form of similarity in the protein  sequence then it means that they came from a common ancestor.

Read more about Cladogram here brainly.com/question/12275760

#SPJ1

3 0
2 years ago
2. Which graph represents the change in cell surface area to volume ratio [1 mark]
Alex

A graph which represents the change in cell surface area to volume ratio with an increasing cell diameter is graph C.

<h3>The ratio of surface area to volume.</h3>

Generally, the ratio of cell surface area to volume in living organisms is always required to be very small, so as to allow sufficient materials such as food particles, to move through the cell membrane quickly for the cell's survival and optimum function.

When plotted on the cartesian coordinate, a graph which represents the change in cell surface area to volume ratio with an increasing cell diameter is shown in the image attached below.

Read more on cells here: brainly.com/question/11369280

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7 0
2 years ago
____ immunity results when antibodies produced in another animal are introduced into your body. a. Active c. Specific b. Passive
Alex Ar [27]
Passive immunity because animals are passive.
4 0
4 years ago
3. Which of the following would not prevent an mRNA from being transported to the rough endoplasmic
Delicious77 [7]

Answer:

3 The mRNA was not bound to by a ribosome  4 tRNA: anticodon matching  5 switching from normal nucleotide for an abnormal one .

Explanation:

3  If the mRNA is not bound to the ribosome then this do not prevent the mRNA from being transported to the Endplasmic reticulum in the cytoplasm.This because binding of ribosome to the mRNA is essential after the mRNA has reached the cytoplasm to initiate the process of protein synthesis.

4 tRNA contains Anticodons that interact with the codon present in the mRNA to bring an amino acid specific for that codon to the A site of ribosome.

5 Mutation at the 3" nucleotide reading frame switch a normal nucleotide for an abnormal one.      

8 0
4 years ago
In what cases may the exclusion of insects be seen?
Tamiku [17]
The exclusion of insects may be seen in freezing, burial, or wrapping. I<span>nsects and rodents are small and sneaky, many commercial buildings are rife with cracks, holes and other entry points that make ideal doorways for pests. I hope it helps. </span>
5 0
3 years ago
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