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lawyer [7]
2 years ago
9

As climate changes because of global warming, plant species' ranges in the northern hemisphere may move northward. the trees tha

t are most likely to avoid extinction in such an environment are those that _____. as climate changes because of global warming, plant species' ranges in the northern hemisphere may move northward. the trees that are most likely to avoid extinction in such an environment are those that _____. have seeds that are easily dispersed by wind or animals disperse many seeds in close proximity to the parent tree produce well-provisioned seeds have thin seed coats have seeds that become viable only after a forest fire
Biology
1 answer:
faltersainse [42]2 years ago
8 0
The trees that are most likely to avoid extinction in such an environment are those that have seeds that are easily dispersed by wind or animals. Global warming also referred to as climate change, is the observed century-scale rise in the average temperature of the Earth's climate system and its related effects. Multiple lines of scientific evidence show that the climate system is warming.
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The "c" designation for controlled substances must appear on a controlled prescription:
Korvikt [17]
The statement above is TRUE.
When a controlled substance is prescribed with other drugs, it must be marked with a  red one inch letter 'C' in the lower right hand corner.
A controlled drug refers to a drug whose use and possession is regulated by the government.<span />
7 0
3 years ago
Diet and nutrition are closely linked to the study of biomolecules. how should you monitor your food intake to ensure the cells
alukav5142 [94]

The intake of food must be monitored to make sure that the cells in the body possess the essential nutrients to function. For example, one must consume the balanced diet, which is rich in carbohydrates, proteins, essential macro and micro-nutrients, fewer fats, and others.  

The nutrition and diet are closely associated. The food consumed is digested and conducted to the different segments of the body as an important molecule, that is, in the form of glucose. Thus, the prediction of proteins and glucose in the cells of the body is the suitable procedure to monitor the substances needed for the cells to function.  


5 0
2 years ago
Sort the following events into two categories:________.
Amanda [17]

Answers:

a) carcinogenic

b) anti-carcinogenic

c) carcinogenic

d) carcinogenic

e) carcinogenic

f) anti-carcinogenic

g) anti-carcinogenic

h) anti-carcinogenic

Explanation:

Cyclins are proteins that regulate the progression through the cell cycle, i.e., the transition of G1 to S phase. It is well known that high cyclin expression may lead to cell proliferation states, which is closely associated with cancer progression. Moreover, the blockage of cyclins may have an anti-carcinogenic effect by inhibiting the progression through the cell cycle. MAP kinases are serine/threonine kinases that regulate the progression through the cell cycle by phosphorylating a variety of substrates during cell proliferation. In consequence, phosphatases that inactivate MAPK kinases (i.e., by dephosphorylation) may have an anticarcinogenic effect. The p53 is a tumor suppressor protein involved in diverse cellular processes including DNA repair, cycle arrest and programmed cell death. This protein (p53) is activated by phosphorylation at target residues and phosphatases inactivate it, thereby the blockage of its degradation may have an anticarcinogenic effect. Oncogene activation (i.e., the expression of oncogenes), may alter diverse cellular processes including DNA replication, and thereby may lead to cancer development. The G-protein α subunit is a GTPase that hydrolyses GTP and thus has a major role in controlling the kinetics of the G-protein signaling cascade. Platelet-derived growth factor receptors (PDGFR) are kinase receptors that play roles in regulating cellular differentiation, cell proliferation and cell growth. PDGFR receptors are present on the surface of normal cells, however, it has been shown that mutations of the PDGFR genes that lead to their high expression lead to uncontrolled cell growth and consequently cause cancer (i.e., by increasing PDGF signaling).

5 0
2 years ago
Oxygen that is split form hydrogen in photolysis is...
Vikentia [17]

Answer:

d

Explanation:

3 0
3 years ago
If an atom has twelve electrons, how many electrons are in the n=1 energy level? how many electrons are in the n=2 energy level?
Serjik [45]

Magnesium has 12 electrons.........which wud mean that in the 1st energy level(n=1) there r 2 electrons, in the 2nd energy level(n=2) there r 8 electrons and in the 3rd energy level(n=3) there r 2 electrons.......its simple......use the formula 2n^2 where n= 1,2,3,......  

so the electron configuration of Magnesium in 2,8,2..................or more precisely 1s2, 2s2, 2p6, 3s2

8 0
3 years ago
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