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Wittaler [7]
3 years ago
8

Give one example of how a group of ancient people used a version of antibiotics?

Biology
1 answer:
Serggg [28]3 years ago
8 0
15 15 


why I that awnser is 15
15
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Which of the following molecules is synthesized at specific times during the cell cycle and
arsen [322]

Answer:

D. Cyclin

Explanation:

Cyclins drive the events of the cell cycle by partnering with a family of enzymes called the cyclin-dependent kinases (Cdks). A lone Cdk is inactive, but the binding of a cyclin activates it, making it a functional enzyme and allowing it to modify target proteins.

5 0
3 years ago
Animals with a special rod or notochord are called _____.
trapecia [35]

Answer:

Chordates

Explanation:

The notochord is a flexible, rod like supporting structure, running dorsally for almost the whole length of the body. This is a distinctive feature of a chordate / animals with a back bone (vertebral column) Such animals belong to phylum Chordata.

7 0
3 years ago
You have a 15kb plasmid. EcoRI cuts the plasmid into 7kb and 8kb pieces, and BamHI cuts the plasmid into 1kb and 14kb pieces. If
Harman [31]

Answer:

a. Bands at 1kb, 6kb and 8kb

Explanation:

The EcoRI and BamHI are the restriction enzymes which cut the DNA sequence especially a plasmid at specific sites called the restriction sites.

The restriction enzymes produces bands of specific length therefore these restriction enzymes are used to estimate the approximate length of the DNA.

In the given question, the

1. EcoRI- produces two strands of 7 kb and 8 kb

2. BamHI- produces two strands of 1kb and 14kb

This shows that the length of DNA sequence is 15kb

But when the DNA strand are digested with both the enzymes simultaneously then it will produce three bands as:

i) 14 kb can be broken down in 2 bands of 6 kb and 8 kb

ii) 1 kb band is already produced by the Bam HI.

This shows that 1+6+8= 15 kb

Thus, Option-A is correct.

5 0
3 years ago
13. Explain why a characteristic which helps an animal to live longer will generally tend to become more
ivolga24 [154]

Answer:

Since it will help the individual live longer, there is a greater chance that it will reproduce than those with lesser favorable traits. Thus the next generation will resemble the parents with the favorable triat more.

Explanation:

Hope this help

plz mark brainliest

Have a nice day!!!!!

8 0
3 years ago
Homeostasis is the condition the body is in when all substances or variables in the body are at an ideal state. If necessary, fe
sergeinik [125]

Together the insulin and glucagon help maintain a state is known as homeostasis in which conditions inside the body remain steady.

<h3>What is homeostasis?</h3>

Homeostasis refers to the mechanism of the body to maintain a stable internal environment instead of changes taking place in the external environment.

When blood sugar is too high, the pancreas secretes more insulin. When blood sugar levels drop, the pancreas releases glucagon to raise them.

For more information regarding homeostasis, visit:

brainly.com/question/1046675

#SPJ1

8 0
2 years ago
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