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4 years ago

Girdling a tree involves cutting a deep groove all the way around a tree trunk; it would have the effect of:

Biology

1 answer:

wlad13 [49]4 years ago

8 0

Answer:d. interrupting the passage of phloem sap and killing the tree.

Explanation:plants contains vascular bundles for conducting water and salt and dissolved food , throughout the plant.the vascular bundles; xylem and phloem are located close to the bark of the tree.

Girdling a tree involves cutting a deep groove all the way around a tree trunk.this is done to kill the tree.the phloem is removed along with the back of the tree.the xylem might remain intact.the phloem functions primarily to move food materials from one part of the tree to another.when it is removed,food materials produced in the leaves cannot get to the root.

After a while ,the root dies and so does the tree

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3. jack is using plastic beads to model water molecules in each state of water. how shoule she the beads to represent water mole

just olya [345]

Jack should arrange the beads close together and slide past each other to represent water molecules in a liquid.

<h3>How are the molecules of water arranged when water is in its liquid phase?</h3>

Each water molecule contains two atoms of hydrogen and one atom of oxygen, arranged such that one side of the molecule (nearest the hydrogens) is positively charged while the other side (nearest the oxygen) is negatively charged.
They’re arranged randomly, and in random motion.
In fact, they’re not even keeping the same hydrogen atoms, as they are constantly popping off and reforming on the nanosecond time scale.

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2 years ago

PLEASE HELP!!!!! Fill in the both blanks: In skeletal muscle, DHP receptors are found in the____ membrane, while ryanodine recep

mihalych1998 [28]

Answer:

Row 1

T-tubule

Dihydropyridine (DHP) receptors of the transverse tubule membrane play two roles in excitation-contraction coupling in skeletal muscle: (a) they function as the voltage sensor which undergoes fast transition to control release of calcium from sarcoplasmic reticulum, and (b) they provide the conducting unit of a slowly ...

Row 2

Sarcolemma

Ryanodine receptors (RyRs) are located in the sarcoplasmic/endoplasmic reticulum membrane and are responsible for the release of Ca2+ from intracellular stores during excitation-contraction coupling in both cardiac and skeletal muscle.

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3 years ago

What functions of the body are most obviously affected by alcohol? those controlled by the brain those controlled by the pancrea

Rzqust [24]

Alcohol has immediate short term effects on one's body which includes the brain,pancreas,heart and gut yet the most immediate effect is on the brain. The effects of alcohol on one's brain is usually felt within 5 minutes of the alcohol once swallowed. It usually blocks or slows down the function of the brain causing the drinker to be excited or be relaxed. Some of the effects include loss of balance,drowsiness,slurred speech and nausea and vomiting.

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3 years ago

A student looks at the daughter cells that result from a process of cell division. Which evidence would support that the process

Nuetrik [128]

Answer: C

Explanation: When daughter cells divide, they always pick up most of the genetic materials/features that the parent cell have.

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3 years ago

g In the Labster Simulation (Bacterial Quantification by Culture: Count bacteria with serial dilution), the fungal compound stud

Sever21 [200]

Answer:

Option A, Bacteriostatic, slowing growth of the bacteria

Explanation:

The labster stimulation was quantification of bacterial culture. In this, culture it was found that the presence of fungus reduces or slow down the bacterial growth. Hence, Fungus is bacteriostatic i.e eliminate bacterial cells by inhibiting the growth

Thus, option A is correct

5 0

3 years ago