Recent questions in Biology

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Pooling of blood in the body, known as lividity, provides a clue as to how long the person has been dead. When does lividity first begin? Why is this most reliable when discussing body position?

Rima asked Dec 25, 2024

by Rima

7.6k points

1 answer

1 vote

164k views

You have performed a Bier block anesthetic with 50 mL of lidocaine 0.5% for a patient undergoing closed reduction of a distal radius and ulna fracture. The procedure is complete, and your current tourniquet

Jonas Andersson asked Dec 25, 2024

by Jonas Andersson

8.3k points

1 answer

2 votes

233k views

Which kingdom includes only heterotrophs? * O Eubacteria O Fungi O Plantae Protista

John Flinchbaugh asked Dec 25, 2024

by John Flinchbaugh

8.8k points

1 answer

0 votes

55.9k views

DNA mutations within coding regions (____) are either synonymous or non-synonymous. What are these?

Avanche asked Dec 25, 2024

by Avanche

7.8k points

1 answer

4 votes

45.5k views

Which evol. processes increase allele variation and how which decrease it?

Loris asked Dec 25, 2024

by Loris

8.9k points

1 answer

0 votes

28.8k views

The upper third portion of the esophagus consists of skeletal muscle, the middle third portion is a mixture of skeletal and smooth muscles, and the lower third consists of smooth muscle.

Hsnkhrmn asked Dec 25, 2024

by Hsnkhrmn

8.6k points

1 answer

5 votes

28.2k views

Elaborate on two methods of microbial control that are essential for reducing the likelihood of foodborne illnesses? Are these methods applied worldwide?. What are some infections that we see, more so,

DisturbedNeo asked Dec 25, 2024

by DisturbedNeo

8.0k points

1 answer

5 votes

118k views

What is presented on the surface of cancer cells through MHC I? a. Only modified proteins from within the cell. b. MHC I + cancer-specific antigens. c. MHC I + virus antigens. d. MHC I + normal cell proteins.

DKen asked Dec 25, 2024

by DKen

8.0k points

1 answer

5 votes

190k views

Why does a person with CF, such as Jeffrey Miller, have thick mucus? Your answer should include the following: mutation, codons, amino acid, primary structure, tertiary structure, endomembrane system,

Alex Just Alex asked Dec 25, 2024

by Alex Just Alex

8.2k points

1 answer

1 vote

7.5k views

All of the following were essential to beadle and tatum's experiments except____ a. the ability to add metabolic intermediates to minimal medium b. a mutagen that could inactivate different genes throughout

Paul Clapham asked Dec 25, 2024

by Paul Clapham

8.1k points

1 answer

5 votes

218k views

Increases in Autism between 1975 and 2009 has shown...

Mikayel Margaryan asked Dec 25, 2024

by Mikayel Margaryan

8.4k points

1 answer

1 vote

111k views

Excluding PIWI-piRNAs, how are transposons regulated? A)DNA repair mechanisms B)Histone modification C)Telomere extension D)mRNA degradation pathways

YellowBlue asked Dec 25, 2024

by YellowBlue

8.2k points

1 answer

5 votes

873 views

Describe an example of a Robertsonian Translocation?

Yinfeng asked Dec 25, 2024

by Yinfeng

8.3k points

1 answer

2 votes

82.1k views

If a series of genetic mutations prevented some, but not all, of the complement proteins from binding antibodies or pathogens, would the entire complement system be compromised? a) Yes, the entire complement

Relevart asked Dec 25, 2024

by Relevart

8.9k points

1 answer

4 votes

88.7k views

Synapomorphies define ________________ however autapomorphies and ancestral characters (plesiomorphies)__________

Kylewelsby asked Dec 25, 2024

by Kylewelsby

8.0k points

1 answer

3 votes

198k views

If the heart of a frog was placed in a petri dish filled with oxygenated Ringer's solution, what other chemical would be essential to make it contract? A. Norepinephrine B. Acetylcholine C. Serotonin D.

Brushtakopo asked Dec 25, 2024

by Brushtakopo

9.1k points

1 answer

0 votes

131k views

What is located on the outside of the membrane, functions in cell recognition and identification? A) Ribosomes B) Mitochondria C) Proteins D) Glycoproteins

Lane asked Dec 25, 2024

by Lane

8.4k points

1 answer

3 votes

115k views

The brain's interpretation of sensory stimuli is called A. proprioception. B. perception. C. cognition. D. lateralization. E. emotion.

Jaydeep Vora asked Dec 25, 2024

by Jaydeep Vora

7.4k points

1 answer

4 votes

130k views

Concerning nonverbal communication, what is necessary when speaking with patients from different cultures?

A Friend asked Dec 25, 2024

by A Friend

8.0k points

1 answer

0 votes

47.7k views

Limestone is a naturally occurring mineral rich in calcium carbonate (CaCO₃). In water, calcium carbonate dissolves to form carbonate (CO₃²⁻), a weak base that acts as a buffer. Which would you expect

Newlogic asked Dec 25, 2024

by Newlogic

8.2k points

1 answer

4 votes

21.3k views

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