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【单选题】
有关黑素细胞的功能错误的是
A.
生成的黑素颗粒能够吸收紫外线
B.
黑素细胞在紫外线照射后可产生更多的黑素颗粒
C.
黑素颗粒可被输送至角质形成细胞
D.
黑素细胞主要位于表皮基底层
E.
黑素颗粒增多使皮肤对紫外线的屏障作用减弱
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】有如下事件过程：Private Sub Form_Load() Show Dim Arr() As Variant Arr = Array(1, 3, 5, 7, 9, 11, 13, 15) Call converse(Arr) For i = 0 To 7 Print arr(i); Next iEnd Sub 以上程序的功能是，通过调用Converse过程，将数组Arr中的元素逆序存放并输出...
A.
Private Sub converse(dim a() as Variant ) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
B.
Private Sub converse(dim a() as Variant) Dim T Dim J As Integer J = (LBound(A) + UBound(A)) / 2 For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
C.
Private Sub converse(a() As Variant) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
D.
Private Sub converse(a() As Variant) Dim T Dim J As Integer J = Int((LBound(A) + UBound(A)) / 2) For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
【单选题】下列哪项描述与黑素细胞无关?( )
A.
能用多巴(Dopa)显示
B.
黑素细胞来自神经嵴
C.
黑素细胞供给表皮以黑素颗粒
D.
表皮内的黑素细胞可产生脂褐素
E.
黑素细胞具有长的胞质突起