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icang [17]
3 years ago
9

The following four events occur during cell locomotion: Place them in the correct order. 1. The cell breaks its rear contacts wi

th the substratum, retracting its trailing edge. 2. A part of the cell surface protrudes in the direction of cell movement. 3. Lower surface of cell protrusion attaches to substratum, forming temporary anchorage sites. 4. The bulk of the cell is pulled forward over adhesive contacts.
Biology
1 answer:
tekilochka [14]3 years ago
4 0
<h2>Cell Locomotion</h2>

Explanation:

The correct order of  events in cell locomotion are:

2. A part of the cell surface protrudes in the direction of cell movement.

3. Lower surface of cell protrusion attaches to substratum, forming temporary anchorage sites

4. The bulk of the cell is pulled forward over adhesive contacts.

1. The cell breaks its rear contacts with the substratum, retracting its trailing edge.

Animal cell move by crawling. It is  a three step process that involves protrusion of the cell surface that attaches to the substratum, extrusion and retraction.

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Which organelle is labeled G?
Aleonysh [2.5K]

Answer:

cytoplasm

Explanation:

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2 years ago
How does human evolution or natural selection relate to the susceptibility of disease
astraxan [27]
Some living thing's bodies are weaker than others. For the species to live, the strong ones of the species will not get sick, reproduce and create strong offspring. The weak will die out.

4 0
3 years ago
Genome maps provide the DNA sequences of chromosome. Some scientist have compared the genome maps of a hedgehog and a sloth.What
Ivan

Answer:

The correct answer is D. How closely related the two species are to each other

Explanation:

Genome maps of every individual is unique. Genome map is the order of sequence of nucleotide which is present in an organism. Comparison of genome map allow the scientist to know how much closely related two organisms are.

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For example, humans and chimpanzees are more similar than other apes so  96% of the genome are identical between them. So the right answer is D.

8 0
2 years ago
Which trait is homozygous dominant <br> A- Aa<br> B- aa<br> C- AA
Lesechka [4]
The answer is C because dominant is the capital letters and homozygous means the same
4 0
3 years ago
Read 2 more answers
Blue moon beans produce beans that are either the dominant color blue or the recessive color white The bean pods for this specie
liq [111]

Answer:

a) 0.316

b) 0.105

c) 0.035

d) 0.0117

e) 0.0039

Explanation:

When two heterozygous plants with genotype Bb are crossed, following offspring are produced

Bb * Bb

BB, Bb, Bb, bb

so the probability of blue offspring is \frac{3}{4} and the probability of white offspring is \frac{1}{4}

a) Probability of all 4 peas as blue

\frac{3}{4} * \frac{3}{4} * \frac{3}{4} * \frac{3}{4} \\= \frac{81}{256} \\= 0.316

b) Probability of 3 blue and 1 white

\frac{3}{4} * \frac{3}{4}* \frac{3}{4}* \frac{1}{4}\\= \frac{27}{256} \\= 0.105

c) Probability of 2 blue and 2 white

\frac{3}{4} * \frac{3}{4}* \frac{1}{4}*\frac{1}{4}\\= 0.035

d) Probability of 1 blue and 3 white

\frac{3}{4} * \frac{1}{4} * \frac{1}{4}* \frac{1}{4}\\= \frac{3}{256} \\= 0.0117

e) Probability of all white

\frac{1}{4} * \frac{1}{4} * \frac{1}{4} * \frac{1}{4} \\= \frac{1}{256} \\= 0.0039

7 0
3 years ago
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