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nydimaria [60]
3 years ago
7

What changes occur to the ratio of surface area to volume as a cell grows?

Biology
1 answer:
seraphim [82]3 years ago
4 0

Answer:

As a cell grows, its surface area-to-volume ratio decreases

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How would an x-ray technician position the camera to produce a frontal view of a patient's abdominal cavity?
leva [86]

Answer: Option A. "In front of the patient, pointing at his navel"

Explanation:

The X-ray of abdominal cavity is known as Abdominal x-ray. It has same principle as X-ray and uses ionizing radiation to take pictures of inner parts of abdominal cavity such as intestine, stomach, liver and spleen. it is used to diagnose patients with vomiting, unexplained pain, and nausea.

While diagnosing  patient's abdominal cavity, x-ray technician position the camera in front of the patient, pointing at his navel in order to produce a frontal view of abdominal cavity.

Talking about a x-ray machine, it is a compact apparatus which can be taken to the patient in a hospital bed or the emergency room. The x-ray tube connects flexible arm which further extends towards the patient and an x-ray film holder (image recording) plate is placed under the patient.

The technologist will ask the patient to take position on the x-ray table or bed and will position x-ray machine over the abdominal area of the patient, in order to take the frontal view of abdominal cavity. The patient will be asked to hold their breathe to get a clear picture. The technician will turn on the x-ray machine that allows  x-ray machine  to produce a small burst of radiation which passes through the abdominal area and records the frontal view of  patient's abdominal cavity. As a result, soft tissue shows up in shades of gray and air appears black while bones appear white on the x-ray, through which patient can be diagnosed.

Hence, the correct option is A "In front of the patient, pointing at his navel".

8 0
3 years ago
How did these scientists' findings and publications relate to the commonly held beliefs of the day?
Karo-lina-s [1.5K]
Thomas huxley = his findings made the theory of evolutions became widely accepted
Ernst Mayr  = the one who proposed Biological species concept
Herbert spencer = found similarities between societies within humans and animal
Stephen Gould = the one who contributed to the study of fossils

hope this helps
7 0
3 years ago
A phagocytic cell has a mutation in a gene for a hydrolytic enzyme that renders the enzyme nonfunctional. What is the most likel
pshichka [43]

Answer: The phagocyte’s ability to destroy the ingested pathogen is compromised and it will become inactive.

Explanation:

There are different hydrolytic enzymes. Lysozyme attacks cell walls of gram positive bacteria. Elastase is a protease. Collagenase attacks collagen, produced by some bacteria. Plasminogen activator is also a protease.

Loss of function of any one of these enzymes will reduce or prevent the breakdown of bacteria in the phagosome (vacuole) so that the phagocyte is inactivated.

4 0
2 years ago
Fermentation converts organic material into a fuel whose primary component is
katen-ka-za [31]

Answer:

D. alcohol

Explanation:

Fermentation by microorganisms converts organic materials into alcohol

8 0
3 years ago
What was Edwin Hubble's contribution to the field of astronomy?
erastova [34]

Answer:

B he proved that the heliocéntrico model accurately described tour solar system

Explanation:

des

i think

3 0
3 years ago
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