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Komok [63]
3 years ago
5

Help anyone need to get this done today???

Biology
1 answer:
vampirchik [111]3 years ago
5 0
Simplest to complex: atoms, molecules, cells, tissue, organs, organ system, organism

I hope this helps!
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1. Scientists believe that ancient ancestors of all animals were (1 point) A) single-celled prokaryotes that reproduced asexuall
Bess [88]
Scientists believe that ancient ancestors of all animals were single celled eukaryotes that sometimes grew in colonies. The correct option among all the options that are given in the question is the second option or option "B".

The Cambrian Explosion resulted in the evolution of the first representatives of most animal phyla. The correct option among all the options that are given in the question is option "B".
4 0
3 years ago
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A few minutes of incubation at room temperature in the laboratory will inactivate HIV, but the flu virus is still active after i
Nat2105 [25]

Answer:

Flu virus cause more infection than HIV virus.

Explanation:

The practical consequences of these findings indicates that the flu virus has more chances to cause infection in the person due to its active nature as compared to HIV virus which is inactive after incubation. This active nature of the flu virus results in the infection of more people in the world as compared to HIV patients so we can conclude that flu virus is more common than HIV virus due to its activeness.

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3 years ago
What is another name for<br> Brucellosis?<br> A. BVD<br> B. Bangs<br> C. Brahms<br> D. IPV
evablogger [386]

Answer:

\boxed {\boxed {\sf Answer -\ Option\  B.\ Bangs }}

Explanation:

Brucellosis spreads from infected animals with the disease, or from any unpasteurized milk from cows who may have the disease. It is a very rare disease in the United States. Brucellosis can also be called Bangs.

The answer is Option B. Bangs. Best of Luck!

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3 years ago
. The limiting factor of a desert biome is its _____. mineral-poor soil 10° daily temperature changes 10 cm annual rainfall
kvv77 [185]
10 cm annual rainfall.
5 0
3 years ago
Read 2 more answers
Pain signals often have two components: an acute sensation of "first pain" which is felt almost immediately after an injury, and
o-na [289]

Answer:

This suggests that neurons that send the signals that we perceive as first pain Myelinated Tpye A-delta___, and neurons that send the signals that we perceive as second pain Unmyelinated-Type C.___.

Explanation:

Physiologically, primary afferent neurons that innervated the the touch, pain, temperature,and pressure receptors in the effectors  to input sensory signals to the spinal cord and the brain  are categorized based on their diameter, sizes, and nature of  myelination. Based on this;

<u>A-alpha has the largest diameter, myelinated, and sensitive to sensation from the muscle cells</u>

<u>A-beta are next in diameter, myelinated and sensitive to sensation  of touch.</u>

A-delta followed in diameter, and  size. They are mylinated, and sensitive to pain and temperature.

<u>C-fibres are least in diameter, they are unmyelinated, but sensitive to pain, touch and temperature.</u>

<u />

<u>Therefore, if the speed of conduction,of action  potential in a neuron depends on the diameter(thickness) and myelination of the axon(saltatory conduction)</u> :

''then, acute sensation/ first pain should be transmitted by the A-delta fibre. While the the slower/second pain should be transmitted by the slower unmyelinated - C-fibres''.

5 0
3 years ago
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