<h2>Kinase cascade </h2>
Explanation:
Normally, PK2 activates PK1
- PK1 and PK2 normally work sequentially in an intracellular signaling pathway
- If PK1 is permanently activated, a response is seen independently of whether or not PK2 is present
- If PK1 activated PK2, no response should be seen if PK1 were activated in the absence of PK2
- PK2 normally needs to activate PK1 for the cells to respond to the signal
- When PK2 is permanently activated in the absence of PK1, PK1 is not there to relay the signal
The differences between a plant and algae are:
- lack of vascular tissue in algae.
- different types of chlorophyll used in chloroplasts
<span>- bsence of "root, stem, leaf" structure
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Answer:
Chromatin helps regulate DNA replication.
Explanation:
Chromatin helps condense DNA strands to smaller units that can be easily managed during DNA replication and gene expression. This also prevents the breakage of the strands and facilitates equal distribution of chromosomes during cell division (during mitosis and meiosis).
Nucleus is the main component of the cell and carries out the vital processes of the cell.
- For learning about its structure, a nucleus diagram is quite helpful. Important components of its structure include.
- One feature of the nucleus that distinguishes eukaryotic cells from prokaryotic ones is the nuclear membrane.
- Additionally, it has a double-layer structure. It also has phospholipids in it.
- The nuclear envelope, nucleoplasm, or nucleus sap, nuclear matrix, chromatin, and nucleolus are some of the several structures that make up the nucleus.
- The nuclear membrane, also referred to as the nuclear envelope, creates an envelope-like structure surrounding the nuclear contents.
learn more about Nucleus here:
brainly.com/question/804369
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The answer would be
<span>Low flexibility of blood vessels in the limbs and high blood pressure</span>
