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In-s [12.5K]
3 years ago
15

Which of the following describes a properly controlled experiment?

Biology
1 answer:
finlep [7]3 years ago
6 0
The answer is a. It’s the only one with a control group
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How are the virus and bacterium similar
geniusboy [140]
All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host. They can only reproduce by attaching themselves to cells. Unlike bacteria, most viruses do cause disease, and they're quite specific about the cells they attack.
5 0
3 years ago
Insect hormones and their receptors ________. A. act independently of each other B. are a focus in pest control research C. util
Leokris [45]

Insect hormones and their receptors are a focus in pest control and research. Hence, Option B is correct.

Some of the insect hormones such as ecdysone (molting hormone), JH (juvenile hormone) and their analogs can be used for biological  control of pests.

Option A: Hormone receptors are proteins that bind hormones and form hormone receptor complex to maintain cellular activities.

So Option A is incorrect.

Option B: Some of the peptide hormones used in pest control and research. So Option B is correct.

Option C: Peptide hormones interact with only cell surface whereas aminoacid derivatives and thyroid hormones directly interact with nucleus. so Option C is incorrect.

option D is incorrect.

Learn more on hormone receptor complex here:

brainly.com/question/15241630?utm_source=android&utm_medium=share&utm_campaign=question

#SPJ4

3 0
2 years ago
Which kingdom of organisms is photosynthetic, multicellular, eukaryotic and non- motile?
Blizzard [7]

Answer:

kingdom plantae

Explanation:

They are photosynthetic multicellular organisms that are eukaryotic.

5 0
3 years ago
Which of the following correctly describes how the daughter cells produced during mitosis and meiosis compare to their parent ce
Leokris [45]
A, I’m pretty sure, Meiosis helps with genetic diversity
5 0
3 years ago
Read 2 more answers
Which of the following activities will help make rural societies more sustainable? A. Design energy efficient forms of transport
denpristay [2]

Answer:

The correct answer would be Option C, Multipurpose Trees.

Explanation:

With the advancement in industries and other areas of technology, the rural areas have become so much polluted. So the sustainability of the rural areas is doubtful. The air in the rural areas have become polluted and needs measures to prevent it from harmful consequences of the industrial advancements. Along with industries, the air pollution is also added through vehicles discharge, waste disposal, etc also contribute towards the non sustainability of the rural areas. So to overcome all these problems, the best solution is to grow the multipurpose trees in the rural areas as much as possible to increase the sustainability of these areas. With the plantation of trees, the problem of pollution will be controlled and thus make these areas sustainable.

5 0
3 years ago
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