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Y_Kistochka [10]
3 years ago
8

6. Patients with HIV/AIDS develop secondary infections and cancers due to their condition, which

Biology
1 answer:
Gnoma [55]3 years ago
6 0
HIV/AIDS affect B. Immune cells because it weakens your immune system causing you to be vulnerable to various other diseases
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If a sample of DNA contains 25% adenine, what percent Thiamine would it contain
Anna35 [415]

Answer:

25%

Explanation:

adenine and thymine are base pairs so there will be an equal amount of adenine to thymine.

4 0
3 years ago
which type of wave spreading do you think causes faster energy loss-two-dimensional or three-dimensional? explain.
labwork [276]
<span>3 dimensional.......</span>
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Use the information below to answer: After the selection event (the “after” graph), what gene would be considered a “fit” gene?
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I think the correct answer is A.
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2 years ago
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A key derived character of sharks and rays that distinguishes them from ray-finned fishes is
o-na [289]

Answer:

Jaws and a swimming bladder

Explanation:

A defining characteristic between sharks and rays that distinguish them from ray-finned fish is the *possession of jaws in sharks* and rays;and the *possession of swimming bladder in ray-finned fishes*.

Characteristics of sharks and rays are as follows :

They are cartiiliginous fishes; they possess *strong jaws* lined with teeth; body dorsoventrally flattened, fusiform (spindle shaped) with heterocercal tail(diphycercal in Chimaeras); paired fins; *no swimming bladder or lungs*; pelvic fins in males often modified to form clappers; Gill arches internal to gills; reduced notchord; lateral-line system; paired nostrils; internal nares absent; separate sexes; internal fertilization and direct development; oviparous, oviparous, or ovoviviparous. Examples include, Spiny dog fish or dog shark, Ray Raja, Chimaera.

Characteristics of ray-finned fishses:

They generally lack paired fins; no internal nares; *air sacks usually function as swimming bladder*; skeleton usually well ossified. Blind olfactory sacs (do not open into the mouth); Tail homocercal. Examples include Tilapia, Claris,and Polypterus.

3 0
2 years ago
The vast majority of Earth's water is _____________. * 5 points
Alchen [17]

Answer: The vast majority of Earth's water is <u>Salt Water. 95.1% </u>to be exact.

Hope this helps!

8 0
2 years ago
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