Topic
Q:
30) ข้อใดเป็นโรคพันธุกรรมที่มีจำนวนโครโมโซมน้อยที่สุด
\( \begin{array}{ll}\text { 1. กลุ่มอาการดาวน์ } & \text { 2. กลุ่มอาการคริดูชาต์ } \\ \text { 3. กลุ่มอาการพาทัวซินโดรม } & \text { 4. กลุ่มอาการเทอร์เนอร์ซินดรม }\end{array} \)
Q:
Which of the following is best described as a waste product of cellular respiration?
Q:
Which of the following most drectly has a reproductive function in flowering plants?
\[ \begin{array}{l}\text { Anther } \\ \text { Guard cell } \\ 09 / 24-16: 39: 37\end{array} \]
\( \begin{array}{ll}\text { Pith }\end{array} \)
\( \begin{array}{ll}\text { xylem }\end{array} \)
Q:
The primary function of erythrocytes (red blood cells) is
Q:
Explica brevemente el proceso por el
cual las hojas secas que mezclamos
con el suelo frente al huerto, acabarán
siendo nutrientes disponibles para las
plantas
Q:
Which best describes the purpose of a fever?
to make the body too hot for the bacteria to live
to make the body too cold for the bacteria to live
to stimulate lymphocytes to make antibodies
to stimulate an increased production of sweat
Q:
James was exposed to a pathogen when he was 10 years old and felt ill.
What would most likely happen if he were exposed to the same pathogen when he is 12 years old?
His body would destroy the pathogen before he felt symptoms.
His reaction to the pathogen would be worse than the first.
His antibodies would decrease, since he had been exposed already.
New types of antibodies would be made in response to the second exposure.
Q:
When studying the immune system in class, Peta concluded that T-cells are more specific to the pathogen than
inflammation is.
What did Peta most likely learn that led to this conclusion?
T-cells are made to identify antibodies, while inflammation starts a fever.
T-cells are made to identify antigens, while inflammation starts to make antibodies.
T-cells make antibodies that cause a fever, while inflammation identifies antigens on the pathogens.
T-cells are made to identify antigens, while inflammation fights anything in the affected area.
Q:
If an initial population of bacteria doubles every hour, what is the growth factor of this exponential model?
Q:
This property of water allows for the Water Strider to walk on water.
Esta propiedad del agua permite que el Water Strider camine sobre el
agua.
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