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anyanavicka [17]
4 years ago
9

What is the source and sink for xylem and phloem?

Biology
1 answer:
Strike441 [17]4 years ago
8 0

Answer:

Sap moves through phloem via translocation, the transport of dissolved materials in a plant. Unlike the xylem, which can only carry water upward, phloem carries sap upward and downward, from sugar sources to sugar sinks: Sugar sources are plant organs such as leaves that produce sugars

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Which statement best describes the structure of a chromosome?
Pie

Your best bet is most likely going to be B

A Chromosome holds part or all of the genetic material of an organism. It also  includes packaging proteins which, aided by chaperone proteins, bind to and condense the DNA molecule to prevent it from becoming an unmanageable tangle.

So yes your best bet is B.

3 0
3 years ago
Noah has collected a mold specimen found on a tree in his backyard. Noah knows the mold is a decomposer, but what role does mold
svp [43]

Answer:

the correct answer is A

Explanation:

definition of a decomposer is an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

so A is the answer

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5 0
3 years ago
The majority of an individual's daily kilocalories should come from
juin [17]
Carbohydrates

Carbohydrates are a type of nutrient are found in many foods including: fruits, vegetables, cereals, grains and sweets. Carbohydrates serve as a fuel, providing us with energy and playing a role in brain and organ functioning. Carbohydrates also provide fiber, that is important for excretory functions. There are many types of carbohydrates that have different effects on the body, such as: simple carbohydrates, complex carbohydrates, sucrose, fructose, lactose, etc. 
7 0
4 years ago
Differentiation requires __________ of particular genes to produce populations with __________ capabilities that form tissues. d
exis [7]

Answer;

-Inactivation; limited

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Explanation;

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8 0
3 years ago
Why are biological membranes important to the body?
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