Answer:
Embedded in the lipid bilayer are large proteins, many of which transport ions and water-soluble molecules across the membrane. Some proteins in the plasma membrane form open pores, called membrane channels, which allow the free diffusion of ions into and out of the cell.
Answer:
Ocean temperatures can cause large storms such as hurricanes or tropical storms. Warmer ocean waters create larger and stronger storms as well as keep said storms going longer. Warmer ocean waters can also cause the temperature in the immediate air around it to be slightly warmer.
Please give brainliest.
Explanation:
Answer: See explanation
Explanation:
Journal entry simply has to do with the recording of transactions in an accounting book which signifies the debit and credit balances of the company.
For the adjusting entries:
On Dec 31:
Interest expense:
= 16000 × 9% × 11/12
= 1320
Prepaid insurance
= 4400/24 × 9
= 1650
Check the attached file for further explanation.
Genetic diversity
Explanation:
Sexual reproductions, mutation, and crossing-over generates a wide range of genetic diversity within a population.
- Sexual reproduction is a type of reproduction in which gametes fuses to produce a fertile and viable offspring.
- Mutation is the process of altering genetic sequences in population to production new breeds called mutants.
- Crossing-over is the exchange of chromosomes between two homologous pairs.
All these processes ensures that a pool of diverse gene exists within a population in order give competitive and adaptability advantage to organisms.
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Answer:
Helper T cells are arguably the most important cells in adaptive immunity, as they are required for almost all adaptive immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells.
Explanation:
Helper T cells become activated when they are presented with peptide antigens by MHC class II molecules, which are expressed on the surface of antigen-presenting cells (APCs). Once activated, they divide rapidly and secrete cytokines that regulate or assist the immune response.
