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Anna71 [15]
3 years ago
15

What caused the old bull elephant to die at the water hole?

Biology
1 answer:
lara31 [8.8K]3 years ago
7 0

Answer:

4

Explanation:

Because the elephant challenged him

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A genetic factor for a trait is always expressed when it is present is best described as ?
zheka24 [161]

Answer:

A genetic factor for a trait that is always expressed when it is present is best described as dominant.

<u>OAmalOHopeO</u>

5 0
2 years ago
What determines which electron donor and electron acceptor a given microbe uses in its anaerobic ETS? Choose one: A. Microbes us
faltersainse [42]

Answer:

B. The available donors and acceptors will induce gene expression of their redox enzymes, thereby allowing their use

Explanation:

Electron transport chain is the important stage of cellular respiration where the electron is donated by certain redox molecules.

The ETC takes place in both the aerobic and anaerobic type of respiration wherein the aerobic respiration, oxygen is used as the electron acceptor whereas in the anaerobic respiration some other molecules like sulfate and nitrate are used.

In anaerobic respiration, the type of electron donors and the donor-acceptor molecules determine the fate of the chain as these molecules act as an inducer of the genes of redox enzymes and the genes for the enzymes are expressed.

Thus, Option-B is correct.

7 0
3 years ago
You measure the mass of an apple using a balance.you get these tree measurements:
kiruha [24]
In a Biology scientific report there will always be factors that change even if its by a little bit. In order to increase the “Reliability” of your conclusion or experiment you are required to do your experiment multiple times. Obviously in this case things such as the scale sensitivity will change according to the scale you use as well as if it is accurately set to scale but usually you will get a change in answer. The other thing you need to remember is that when the apple was originally measured they used another measuring tool to you therefore altering your answer ❤️
3 0
3 years ago
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What are the characteristics of carbon bonds?
Fofino [41]

Answer:

Carbon's characteristics include its ability to bond with oxygen, hydrogen, nitrogen, phosphorus and sulfur.

Explanation:

Carbon biochemical compounds are essential to all life on the planet. Because of its bonding ability, carbon can form single, double, or triple covalent bonds with other atoms.

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The structure of the spinal cord can be described as (1) composed of thirty-one segments (2) having a cervical enlargement, lumb
AlladinOne [14]

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(1)

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