The answer is <span>A) All future somatic cells of the organism will contain the (2n + 1) number of chromosomes.
An egg cell and a sperm cell fuse to develop a new organism in a process called a fertilization. As a result, a zygote is formed. When the </span>egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, the zygote will have (n + n + 1), which is (2n + 1) number of chromosomes. The zygote is the first cell of the new organism. It undergoes mitosis resulting in somatic cells where all of them will contain the same <span>number of chromosomes as the zygote, which is (2n + 1)</span>
Density <span>water allows large organisms like the blue whale to swim in the ocean and not be crushed by their body weight.</span>
<h2>Osmosis.</h2>
Explanation:
The correct order of balloon volumes at equilibrium, from largest to smallest:
Balloon D > Balloon C > Balloon B > Balloon A.
Osmosis is defined as the process of movement of water molecules from the region of their higher concentration to the region of their lower concentration i.e. from a less concentrated concentrated solution to a solution with greater concentration through a semipermeable membrane.
So , In case of balloon A and B water will move out of them and at equilibrium it will have reduced volumes. However, A will lose more water that B.
In case of Balloon C no water movement will be observed it will remain constant.
In case of Balloon D, Water will move inside the balloon and its volume will increase.
Thus at equilibrium the order of balloon volumes will be :
Balloon D > Balloon C > Balloon B > Balloon A.
Answer: B- Constant wave action could wash the snails into the open ocean.
Explanation:
Active transport is a type of transport that requires energy to move substances across a membrane. It occurs against a concentration gradient.
- The use of energy to move waste materials out of a cell is an EXAMPLE of transport active.
- Active transport occurs against a concentration gradient, whereas passive transport (i.e., diffusion) occurs in favor of a concentration gradient.
- Active transport can be mediated by membrane proteins that move substances from an area of high concentration to an area of low concentration.
- This movement (active transport ) usually requires the energy provided by the hydrolysis of ATP.
- Water molecules move across cellular membranes through membrane protein channels called aquaporins that act in favor of a concentration gradient (passive transport).
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