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jok3333 [9.3K]
3 years ago
15

Help? It’s ok if not but I really need it <333

Biology
1 answer:
True [87]3 years ago
8 0

Answer:

VELOCITY

Explanation:

velocity was composed of direction and speed

Brailiest please

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The human infant spends about half of its sleep time in rem. What is the understanding of why this is the case?
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This occurs because REM sleep may provide at least part of the stimulation necessary to correctly develope the immature brain of infants.

REM sleep provides the electrical activity necessary to establish neural connections that include the  development of synapses in the brain. These neurological process enables development of sensory, motor, learning and memory system.


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3 years ago
In assembling a nucleosome, normally the …(1) histone dimers first combine to form a tetramer, which then further combines with
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Answer:

option 1

Explanation:

In assemblying the nucleosome, this reaction occurs in two main steps. the H3 and H4 are recruited first to the DNA in pairs forming the H3/H4 tetramer; meaning two of H3 and two of H4. This gives rise to the nucleosome precursor. Then after this, the dimers of both H2A/H2B are recruited to this precursor, to give rise to the octamer structure around which the DNA is wrapped.  

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3 years ago
HELP PLEASE IM GONNA DIE IF I DONT PASS
astra-53 [7]

Answer:

you would see rivers and mountains.

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i think its 20 but im not sure

Explanation:

i hope this helps :)

4 0
3 years ago
2) Which of the quadriceps crosses two joints? What are it’s actions?
Tanya [424]

Answer:

Rectus Femoris

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I hope this helps, and as always, I am joyous to assist anyone at any time.

6 0
3 years ago
The set of all populations inhabiting a certain area is called a(n):
zheka24 [161]
A community refers to the total number of populations that inhabit a specific location or area. This is part of the levels of organization of life. Arranged from the least complex to most complex it falls 8th in the category. Below are the organization of life:<span>

a. Organelles - the basic part of a living organism. It refers to the different structures of the cell, whether prokaryotic or eukaryotic. (Ex. Mitochondria, nucleus)
b. Cells - building blocks of life that are composed of different molecules responsible for the function of an organism. (Example: prokaryotic, eukaryotic cells)
c. Tissues - combinations of cells that carry out a specific function in an organism. (Example: Human skin)
d. Organs - collections of tissues that perform specific functions. (Ex. heart, lungs)
e. Organ Systems - composed of interconnected organs that function as a whole. Many organisms, particularly mamamals, are composed of organ systems. (Ex. respiratory, circulatory systems)
f. Organisms – individual entities that specifically make-up a population. (Ex. Each tree in the forest is an organism, each animal in sea is an organism)</span>
g. Population – species living within a specific location. It could be the same or different species that inhabit a place. (Ex. Birds are species in the forest as well as bears)
h. Community – refers to the total number of populations that inhabit a specific location. (Ex. All of the trees, insects, birds that inhabit the forest are a community)
i. Ecosystem – consists of all living things that function together as a group which also includes the non-living parts of the environment. (Ex. Rain water, nitrogen in the soil)
<span>j. Biosphere – the highest organization of life that consist of all the collection of ecosystems in the planet. It includes the land, air, water, even the atmosphere of the planet. </span>
8 0
3 years ago
Read 2 more answers
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