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larisa [96]
2 years ago
14

The movement of molecules across a membrane from an area of higher concentration to an area of lower concentration with the use

of a carrier molecule embedded in the membrane is called _________.
Biology
1 answer:
statuscvo [17]2 years ago
7 0
I believe this is diffusion.
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You perform an experiment in which chromatin is isolated from sea urchin sperm cells and briefly digested with micrococcal nucle
irga5000 [103]

Answer:

a) DNA fragments associated with histone proteins are all multiple in length (i.e., 260 bp, 520 bp, 780 bp, etc), thereby suggesting the presence of a pattern of organization in the chromatin  

b) it suggests that each unit of organization (ie, each nucleosome) consists of 260 bp associated with chromatin proteins

Explanation:

The nucleosome is considered as the basic unit of chromatin. A nucleosome consists of approximately two turns of DNA wrapped around a core of eight histone proteins (i.e., a histone octamer). The histone octamer consists of two copies of each of the histones H2A, H2B, H3, and H4. Moreover, the nucleosomes are connected together by linker DNA sequences which vary between 10 and 100 bp in length.

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2 years ago
Griffiths (1928) mixed heat-killed ‘s' bacteria with ‘r' bacteria and injected a mouse with both types of bacteria. as a result,
Talja [164]
The surviving R strain transformed into a living S strain.
8 0
3 years ago
You have spent 24 hours traveling from the U.S to New Zealand, on quite a few airplanes with many stops. Because of the stress,
Hoochie [10]
A hematocrit value of your blood would be lower than normal because your dehydrated, if you’re on an airplane without water your blood cells could lack latitude. (Hope this helps)
4 0
3 years ago
Choose the functions of amino acids (free or in a bound form):A. carriers of genetic information B. neurotransmitters C. enzyme
Citrus2011 [14]

Answer: B. Neurotransmitters; C. Enzyme components; E. Hormones

Explanation: Aminoacids have a variety of functions because they can create proteins. These long and complex molecules perform important roles in different biological processes: they are responsible for the formation of enzymes and hormones. In neurotransmitters, the glutamate appears to be related to functions of the brain, like learning and memory. Other functions of the aminoacids are regeneration of muscular cells, have a role in imunology, growth of tissue, production of collagen and others.

7 0
3 years ago
Read 2 more answers
Please answer !! Or else I will fail this assignment
Leto [7]
I think the answer is chemosynthesis because deep ocean vents don't get sunlight.
5 0
3 years ago
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