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elena-14-01-66 [18.8K]
3 years ago
6

Severe combined immunodeficiency (SCID): Group of answer choices is a result of the absence of macrophages or B cells. affects o

nly part of the adaptive immune response. can be caused by failure of TAP transporters. is caused by the lack of T cell and B cell maturation/differentiation.
Biology
1 answer:
EastWind [94]3 years ago
3 0

Answer:

is a result of the absence of macrophages or B cells.

Explanation:

Severe combined immunodeficiency (SCID) results due to the absence of macrophages or B cells that is responsible for the immunity of  our body. Severe combined immunodeficiency (SCID) is an inherited immunodeficiency disease (PIDD) that presents in infancy results  in a weak immune system that is unable to fight against even mild infections so due the absence of macrophages or B cells, the body is vulnerable to diseases.

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A group of students is learning to identify each organ of the human body by looking at images. The students identify the stomach
trasher [3.6K]

Answer:

D

Explanation:

The acids in your stomach break down the food you eat

6 0
2 years ago
What percentage of caterpillars original energy is available to the hawk?
zheka24 [161]

Answer:

The percentage of caterpillars original energy available to the hawk is  = 0.6%.

Explanation:

the answer above is given by; 24 kcal/4000 kcal x 100

Caterpillars are the larval stage of members of the order Lepidoptera. As with most common names, the application of the word is arbitrary, since the larvae of sawflies are commonly called caterpillars as well. Both lepidopteran and symphytan larvae have eruciform body shapes.

Hawks are a group of medium-sized diurnal birds of prey of the family Accipitridae. Hawks are widely distributed and vary greatly in size. The subfamily Accipitrinae includes goshawks, sparrowhawks, sharp-shinned hawks and others. This subfamily are mainly woodland birds with long tails and high visual acuity.

7 0
3 years ago
Read 2 more answers
How do we know that humans<br> are causing the Earth to warm<br> and the climate to change?
Serga [27]

Explanation:

we can track climate patterns back to us on earth and the excessive use of fossil fuels and other gasses contribute to this - its basically proven that we are the reason climate change is a thing. climate will change by itself by us humans are causing this to be much faster than it should be

6 0
2 years ago
What could a scientist do to determine what era the Eocene Period belongs to on the geologic time scale?
Burka [1]

Answer:

Option B) study information related to the Cenozoic era

Explanation:

The complete question is

Scientists discovered that the Eocene time period existed in Earths history around 34 MYA. What do they need to do to determine what time period Eocene belongs to on the geologic time scale?

A) learn what happened during Precambrian time

B) study information related to the Cenozoic era

C) view the timing of events in the Mesozoic era

D) research events that happened during the Paleozoic era

Solution -

The period of Eocene belong to the Cenozoic era. The Cenozoic era is divided into three periods-  

a) The Paleogene – Existed between 65.5 to 23.03 million years ago

b) The Neogene - Existed between 23.03 to 2.6 million years ago

c) The Quaternary – Started some 2.6 million years ago and is continuing till present

The Paleogene is subdivided into three epochs –  

A) The Paleocene – existed between 65.5 to 55.8 million years ago

B) The Eocene – existed between 55.8 to 33.9 million years ago and  

C) The Oligocene – existed between 33.9 to 23.03 million years ago

Hence, studying about Cenozoic era will give information about the Eocene epoch

Hence, option B is correct

5 0
3 years ago
What term is defined as mathematical equations based on rules of physics
Svetlanka [38]
I believe it is scientific laws.
4 0
3 years ago
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