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nirvana33 [79]
3 years ago
13

Which of these are examples of Newton's 1st law of motion. Check all that apply.

Biology
2 answers:
jeka943 years ago
7 0

Answer:

I don't know if this is right but c

astra-53 [7]3 years ago
4 0

Answer:

a. A book sitting on a desk.

Explanation:

an object will stay at rest until an external force is provided

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Most mammals have diploid body cells and haploid gametes. During __________, chromosomes from haploid gametes combine, and a ___
EastWind [94]

Answer:

During <u>fertilization</u>, chromosomes from haploid gametes combine, and a <u>diploid</u> zygote is formed.

Explanation:

Fertilization is the union of the male gamete(haploid chromosomes) with the female gamete(haploid chromosome) to form a diploid cell called zygote (with diploid chromosomes).

5 0
3 years ago
12. The lives of __plants include two generation that alternate.
zhuklara [117]

Answer:

d most  i think

Explanation:

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3 years ago
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Why is it important for others to believe in science, and what are two good things science has done for people,animals , or the
Zanzabum

Answer:

why are these same questions its earth and people i think

6 0
2 years ago
Uses of<br>some animals​
marusya05 [52]

Answer:

We keep animals to provide us with:

1. wool and hair for clothing, ropes and tents

2. hides and skin for leather.

3. meat, milk, eggs

4. bones, hooves and horn for a variety of uses.

5. Some animals are used for transport, ploughing and work.

6. We always benefit from the animals we keep.

These are the "Uses of some animals".

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8 0
2 years ago
The development of DNA technology is bringing profound changes to science, agriculture and healthcare. Provide one example of a
grandymaker [24]

Answer:

The CRISPR-Cas9 genome editing system can be used to edit genes and correct mutations associated with inherited diseases. However, this technology also has the potential to edit genes in germline cells in order to irreversibly modify the human species and the natural evolution of life

Explanation:

The CRISPR-Cas9 (Clustered regularly interspaced short palindromic repeats and CRISPR-associated protein 9) system is a natural prokaryotic defense system used by bacteria to defend against invading DNA. In the laboratory, the CRISPR-Cas9 system has been repurposed to create a versatile genome-editing tool that allows us to modify the genome of mammalian cells in a targeted fashion. The CRISPR-Cas9 is a simple gene-editing tool that consists of a single guide RNA (sgRNA) that guides the Cas9 enzyme to the exact genomic location where Cas9 needs to make a cut, which is then repaired by different DNA repair mechanisms. During DNA repair, nucleotides can be replaced and/or deleted, thereby producing desired genomic modifications. The CRISPR-Cas9 has an enormous potential to repair mutations in genes associated with inherited genetic disorders and cancer (i.e., oncogenes might be reversed in vivo by using this technology). However, the CRISPR-Cas9 genome editing system is also a subject of concern due to its dual use. For example, this technology can be used to modify the genome of germline cells by inducing mutations that can be passed across generations, thereby irreversibly modifying human DNA and altering the normal course of evolution.

8 0
2 years ago
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