Answer: Her acceleration is -0.8 m/s²
Explanation:
The initial velocity of Sandra ( u) = 10 m/s
The final velocity of Sandra ( v) = 2 m/s
Time taken by Sandra (t) = 10 s
Let the acceleration of Sandra be 'a'
Using the equation of kinematics, we have
v = u + at
⇒ 2 = 10 + 10a
⇒ -8 = 10a
⇒ 
⇒ a = -0.8 m/s²
Hence, her acceleration is -0.8 m/s².
Answer:
Voluntary muscles mean under conscious control and skeletal muscle is consciously controlled, unlike involuntary muscle, the ly are controlled by the autonomic nervous system.
Answer:
The interphase: <em>DNA duplication</em>; The prophase: <em>Nucleus disappear</em>; The metaphase: <em>Chromosome line up at the middle of cell</em>; The anaphase: <em>Chromatids separation</em>; The telophase: <em>New cell membrane formed</em>; The cytokinesis: <em>Divided into two cell</em>.
Explanation:
A cell cycle includes 4 main phases: G0 phase, Interphase, Mitotic or Meiosis phase, Cytokinesis.
- G0: cell has left the cycle and stop dividing
- Interphase: including G1, S, G2: cell increases its size, and the DNA is duplicated to prepare for cell division.
- Mitotic or Meiosis phase: including prophase, metaphase, anaphase, telophase. In this stage, the nucleus and materials are divided.
- Cytokinesis: Cell divides into two daughter cells.
Answer:
The correct option is <u>E. Bring in some elephants of reproductive age from other populations within southern Africa</u>
Explanation:
Inbreeding depression can be described as a phenomenon in which the fitness of a particular kind of species is reduced due to inbreeding of the organisms.
As the Addo National Park contains only a few elephants, hence there are only a few chances of diversification in their breeding patterns. If other elephants are brought into the Park, then there will be more options for breeding and breaking the inbreeding depression.
If a somatic human cell is about to divide, then it has 92 chromatids. this is because there are 23 pairs of homologues chromosomes in a cell, one is given by both parents. when a cell divides my mitosis, the pairs separate into 46 chromatids, each one that is replicated which gives you 92 chromatids.
