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Biology : Recent Questions and Answers (Page 51)

Find answers to your questions about Biology or help others by answering their Biology questions.

Why are some bird hybrids fertile?

So, we all know that hybrids are infertile, that's the definition of a species, but how come some parrot species can interbreed and still be fertile. For instance a military...

Asked on 03/23/2021 by Rowan Blackwell-Cronie

0 answer

Why have humans evolved conciousness?

Why did humans/animals evolve to become self-aware of their own thoughts. That is, why don't humans act and compute like a machine, or walking zombie. In my mind,...

Asked on 03/23/2021 by Kenshin

7 answer

Why do genes, encoding the same proteins and in the same conditions, have different expression?

Is it possible that two genes, which come from two different cell cultures and which encodes the same protein, produces different quantity of mRNA? If yes, why? My question comes...

Asked on 03/23/2021

2 answer

What is this snail?

Can somebody help me identify this snail, please? It appeared in my fish tank and I am wondering if I need to get rid of it. ...

Asked on 03/22/2021 by Vishwa Pal Bhargava

0 answer

Why do huskies have markings above their eyes

[1. Dogs in Antarctica pulling sleds...

Asked on 03/22/2021 by Kinnear Harper

0 answer

Does loss of dopaminergic neurons totally eliminate voluntary muscular control?

Breathing is a function that is not only autonomic, but can also be temporarily overridden and placed under voluntary control. In fact, you are now breathing manually. Now, suppose that...

Asked on 03/21/2021

1 answer

Can ants distinguish individual ants in the colony?

I am aware that ants have the ability to distinguish which female is the queen and which ones aren't. However, can ants also uniquely distinguish other individual ants in the...

Asked on 03/21/2021 by user0193

0 answer

When the leaf length ranges are given in a plant species' description, what do the numbers in parentheses represent?

Referring to a plant species, a paper I am reading (see citation below) says: "Blades are 4–5(6) mm long and (0.5)1–1.5 mm broad."I understand the numbers 4-5 and 1-1.5...

Asked on 03/20/2021 by cflax

1 answer

How much mice red blood cells should I dilute before counting?

I am wondering how much red blood cells I should dilute with how much PBS before counting on hemocytometer with trypan blue...

Asked on 03/20/2021

0 answer

Origins of transcription factors and RNA Polymerase

I was learning about transcription factors and RNA polymerase from Khan Academy to supplement Dr. Robert Sapolsky's lectures on Human Behavioral Biology. As I...

Asked on 03/19/2021

1 answer

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