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iragen [17]
2 years ago
5

Real life example of block and tackle

Biology
1 answer:
lianna [129]2 years ago
3 0

A group of people are building a house. They have a large package of building materials that needs to be moved. A block and tackle, a type of pulley, is used to pull the material up so it can be set in the back of a truck.

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Gametes that are motile are often called _____.
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Gametes that are motile are often called sperm.
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3 years ago
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What would be the complementary DNA produce
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Complementary DNA (cDNA) is a DNA copy of a messenger RNA (mRNA) molecule produced by reverse transcriptase, a DNA polymerase that can use either DNA or RNA as a template.
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2 years ago
When plants make flowers, gene A is expressedin whorls 1 and 2, gene B is expressed in whorls 2 and 3 and gene C in whorls 3 and
Sati [7]

Answer:

The correct answer would be option D) no gametes.

Explanation:

The ABC model of the flower was formulated to describe the collection of genetic procedures that determines floral organs in several plants. These species consist of four whorls which are sepals, petals, stamens, and carpels. These whorls are expressed by the expression of a number of genes present in each whorl or verticli.

Gene A is solely responsible for the sepals while the co-expression of A and B genes are responsible for the petals. The identity of the stamens is expressed by B and C and the carpels require C and D genes to be active.

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3 0
3 years ago
Evidence that cytoskeletal elements have ancient origins comes from the: sequence similarities of cytoskeletal elements when com
Gnesinka [82]

Answer:

All of these choices are correct.

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Cytoskeleton refers to a structure consisting of filaments and tubules which help to maintain internal organization and support the shape of the cells. It comprises of three (3) main filaments and these includes: actin filaments, intermediate filaments and microtubules.

Generally, there are numerous evidence that cytoskeletal elements have ancient origins and they include all of the aforementioned facts.

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