Answers

AE

Answered

The nuclear envelope is a double-layered membrane, like the plasma membrane.

On Aug 03, 2024


True
AE

Answered

Which of the following is NOT a function of the respiratory system?

A) Olfaction
B) Taste
C) Production of chemical mediators
D) Voice production
E) Regulation of blood pH

On Aug 01, 2024


B
AE

Answered

Which cells display digested viral cell fragments on their surface?

A) dendritic cells
B) helper T cells
C) cytotoxic T cells
D) memory T cells
E) B cells

On Jul 03, 2024


A
AE

Answered

Name three diseases caused by protozoa. Include the causal organism, the group in which it is classified, and its means of transmission when possible.

On Jul 02, 2024


Concepts to Consider: Unikonts, Amoebozoa- Entamoeba histolytica , amoebic dysentery, transmitted via contaminated water Excavates, trypanosomes- Trypanosoma causes African sleeping sickness, transmitted via tsetse flies.
Excavates, diplomonads- Giardia intestinalis causes diarrhea, transmitted via contaminated water. Chromalveolates, alveolates, apicomplexans- Plasmodium causes malaria; transmitted via a mosquito.
AE

Answered

It is now easier than ever for humans to travel to and live in other parts of the world. Because of this, populations from different parts of the world that were once isolated from each other are now much more likely to interact and breed. This leads to increased ____.

A) frequency-dependent selection
B) stabilizing selection
C) genetic drift
D) gene flow
E) founder effects

On Jun 03, 2024


D
AE

Answered

A tumor in the adrenal cortex causes excessively high levels of aldosterone. The high aldosterone levels cause ________.

A) hyponatremia
B) acidosis
C) hypokalemia
D) hypocalcemia
E) hyperkalemia

On Jun 02, 2024


C
AE

Answered

Days 6-13 of a 28-day uterine cycle is called the

A) menstrual period.
B) proliferative phase.
C) ovulation period.
D) secretory phase.
E) fertilization period.

On May 04, 2024


B
AE

Answered

The sarcoplasmic reticulum will release calcium ions after the muscle impulses travel through the

A) sarcolemma.
B) neuromuscular junction.
C) tropomyosin.
D) axon terminal.
E) T tubule.

On May 02, 2024


E
AE

Answered

Compensation items, such as wages, benefits, vacations and holidays, shift premiums and profit sharing might also be referred to as _______________________________ bargaining issues.

On May 01, 2024


economics
AE

Answered

Another name for the oviduct is the

A) uterus.
B) urethra.
C) cervix.
D) fallopian tube.
E) ureter.

On Apr 30, 2024


D