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yanalaym [24]
2 years ago
5

What is the difference between antibody immunity and cellular immunity?

Biology
1 answer:
Bezzdna [24]2 years ago
7 0

Answer:

D) antibody immunity uses B and T-helper cells; cellular immunity uses different types of T cells

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how does science affect your daily life.pick 3 inventions to support this. what would happen if we didn't have science use those
andreyandreev [35.5K]

Answer:

The WiFi the phone and the Computer

If I didn't have those I would be uncomfortable and sources of communication online would differ, as well as online learning cause of coro

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5 0
3 years ago
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If all living things are related then where did all their differences come from?
stiks02 [169]

Answer:

<em>Hox </em>Gene

Explanation:

First, you're question is very vital, there are many ways in classifying along with identifying all living organisms that includes; morphological analysis, molecular systematics (studying the similarities and differences of the genetic data such in the sequences of DNA, RNA, and rRNA ), homology, cladistics, etc. based on phylogenetic tree, which the study of the evolutionary among various species.

But through it said that all living organisms shared one common ancestor. However, what makes them different from one to another is the homeotic genes that called <em>Hox </em>Genes; which specify the fate of a particular segment or region of the body, meaning the number and arrangements of the<em> Hox</em> genes varies considerably among different types of animals.

For instance, Sponges have at least one homologous to<em> Hox</em> genes, also insects have nine or more <em>Hox </em>genes resulting in multiple <em>Hox </em>genes occur in a cluster in which the genes are close to each other along a chromosome. Therefore, increases in the number of<em> Hox</em> genes have been instrumental in the evolution of many animals species with greater complexity in body structure.

Overall, more <em>Hox</em> genes, more complexity in body structure resulting in the differences of their morphological structure.

Hope that answered your question!

7 0
3 years ago
You cross nonpure tall plants (Tt) and produce 200
anyanavicka [17]

Answer:

C is the best answer

Explanation:

the dominate trait is in 3 of the four boxes

6 0
2 years ago
Which of the following is NOT part of the natural selection concept as developed by Darwin?
baherus [9]
HOW IS YOUR DAY AND THE ANSWER IS B BY THE WAY AND I HOPE I HELPED BYR
5 0
2 years ago
Cells can be prokaryotic or eukaryotic. Which of the following structures is present in eukaryotic cells but not in prokaryotic
Sonbull [250]

Answer:

nucleus

Explanation:

eukaryotic has a nucleus, prokaryotic does not

6 0
2 years ago
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