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olchik [2.2K]
3 years ago
12

Imagine a rock is dropped from the top of a tall building. After 2 seconds of falling, the rock's instantaneous speed is approxi

mately 20 m/s.
Biology
1 answer:
ivanzaharov [21]3 years ago
8 0
What is the actual question?
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The generation of a knock-out organism generally requires all the following EXCEPT ________. The generation of a knock-out organ
PilotLPTM [1.2K]

Answer:

knowledge of the sequence product

Explanation:

A gene knockout is a technique used in molecular genetics to deactivate target genes in an organism in order to study their functions by reverse genetics (i.e., gene loss). Knockouts are generated by different methods including, for example, homologous recombination or site-specific nucleases (zinc-fingers, TALENS, CRISPR/Cas9). These techniques require to know a priori the sequence of each gene to be knocked out in order to target desired mutations. In the last years, the CRISPR/Cas9 tool has gained attention to knockout genes of interest because it is a genome editing system that can be easily used for deletion or insertion of bases.

8 0
3 years ago
The seeds of flowering plants, angiosperms, have similar parts. The part of the seed that is responsible for protecting the deve
slava [35]

Seeds perform various functions for the plants that generate them, among them the essential function is dispersal to a new location, nourishment of the embryo, and dormancy at the time of inappropriate conditions.  

Seed coat is the part of the seed that protects the seed from temperature-associated, physical, or water destruction, it helps in the protection of developing embryo, and it is the seed coat, which makes sure that the plant seed remains in a dormant state until the circumstances become ideal for the plant embryo to sprout or germinate.  


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3 years ago
Which cell type divides fastest? (in order)
BlackZzzverrR [31]

Answer:

A. Skin cells

Explanation:

4 0
2 years ago
Which characteristic help the Grants show the result of natural selection?
Talja [164]
I believe this is the answer you are looking for:

<span>C. The size and shape of their beaks</span>
4 0
2 years ago
What is the sympathetic nervous system and what are some of the effects it has on the body?
Alex Ar [27]
Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). The sympathetic nervous system (SNS) releases the hormones (catecholamines - epinephrine and norepinephrine) to accelerate the heart rate.
8 0
2 years ago
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